HEADER    HYDROLASE                               21-MAR-22   7XBB              
TITLE     CRYSTAL STRUCTURE OF PDE4D CATALYTIC DOMAIN COMPLEXED WITH COMPOUND   
TITLE    2 23A                                                                  
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: ISOFORM 3 OF CAMP-SPECIFIC 3',5'-CYCLIC PHOSPHODIESTERASE  
COMPND   3 4D;                                                                  
COMPND   4 CHAIN: A, B;                                                         
COMPND   5 SYNONYM: DPDE3,PDE43;                                                
COMPND   6 EC: 3.1.4.53;                                                        
COMPND   7 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 GENE: PDE4D, DPDE3;                                                  
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21;                            
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 511693                                      
KEYWDS    PDE4 INHIBITOR, HYDROLASE                                             
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    Y.-Y.HUANG,H.-B.LUO                                                   
REVDAT   2   29-NOV-23 7XBB    1       REMARK                                   
REVDAT   1   06-JUL-22 7XBB    0                                                
JRNL        AUTH   F.ZHOU,Y.HUANG,L.LIU,Z.SONG,K.Q.HOU,Y.YANG,H.B.LUO,          
JRNL        AUTH 2 Y.Y.HUANG,X.F.XIONG                                          
JRNL        TITL   STRUCTURE-BASED OPTIMIZATION OF TODDACOUMALONE AS HIGHLY     
JRNL        TITL 2 POTENT AND SELECTIVE PDE4 INHIBITORS WITH ANTI-INFLAMMATORY  
JRNL        TITL 3 EFFECTS.                                                     
JRNL        REF    BIOCHEM PHARMACOL             V. 202 15123 2022              
JRNL        REFN                   ISSN 1873-2968                               
JRNL        PMID   35688178                                                     
JRNL        DOI    10.1016/J.BCP.2022.115123                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.10 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PHENIX 1.10_2155                                     
REMARK   3   AUTHORS     : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN            
REMARK   3               : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE,           
REMARK   3               : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER,            
REMARK   3               : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY,              
REMARK   3               : REETAL PAI,RANDY READ,JANE RICHARDSON,               
REMARK   3               : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI,           
REMARK   3               : NICHOLAS SAUTER,JACOB SMITH,LAURENT                  
REMARK   3               : STORONI,TOM TERWILLIGER,PETER ZWART                  
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : GEOSTD + MONOMER LIBRARY + CDL V1.2           
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.10                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 24.34                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 1.366                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.8                           
REMARK   3   NUMBER OF REFLECTIONS             : 45271                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.213                           
REMARK   3   R VALUE            (WORKING SET) : 0.211                           
REMARK   3   FREE R VALUE                     : 0.244                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.917                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 2226                            
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT (IN BINS).                           
REMARK   3   BIN  RESOLUTION RANGE  COMPL.    NWORK NFREE   RWORK  RFREE        
REMARK   3     1 24.3360 -  5.2748    0.97     2809   140  0.1845 0.2206        
REMARK   3     2  5.2748 -  4.1937    1.00     2769   146  0.1711 0.2091        
REMARK   3     3  4.1937 -  3.6657    1.00     2706   149  0.1891 0.2129        
REMARK   3     4  3.6657 -  3.3314    1.00     2716   147  0.1981 0.2160        
REMARK   3     5  3.3314 -  3.0931    1.00     2669   151  0.2095 0.2077        
REMARK   3     6  3.0931 -  2.9111    1.00     2687   136  0.2164 0.2420        
REMARK   3     7  2.9111 -  2.7655    1.00     2680   128  0.2206 0.2689        
REMARK   3     8  2.7655 -  2.6453    1.00     2698   154  0.2246 0.2777        
REMARK   3     9  2.6453 -  2.5436    1.00     2652   138  0.2279 0.2864        
REMARK   3    10  2.5436 -  2.4559    1.00     2695   136  0.2358 0.2560        
REMARK   3    11  2.4559 -  2.3791    1.00     2688   118  0.2257 0.2769        
REMARK   3    12  2.3791 -  2.3112    1.00     2635   126  0.2421 0.2711        
REMARK   3    13  2.3112 -  2.2504    1.00     2656   139  0.2451 0.2795        
REMARK   3    14  2.2504 -  2.1955    1.00     2678   131  0.2467 0.2998        
REMARK   3    15  2.1955 -  2.1456    1.00     2644   148  0.2544 0.2902        
REMARK   3    16  2.1456 -  2.1000    1.00     2663   139  0.2629 0.3056        
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED        : FLAT BULK SOLVENT MODEL                       
REMARK   3   SOLVENT RADIUS     : 1.11                                          
REMARK   3   SHRINKAGE RADIUS   : 0.90                                          
REMARK   3   K_SOL              : NULL                                          
REMARK   3   B_SOL              : NULL                                          
REMARK   3                                                                      
REMARK   3  ERROR ESTIMATES.                                                    
REMARK   3   COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED)     : 0.212            
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 22.781           
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 24.36                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  TWINNING INFORMATION.                                               
REMARK   3   FRACTION: NULL                                                     
REMARK   3   OPERATOR: NULL                                                     
REMARK   3                                                                      
REMARK   3  DEVIATIONS FROM IDEAL VALUES.                                       
REMARK   3                 RMSD          COUNT                                  
REMARK   3   BOND      :  0.007           5394                                  
REMARK   3   ANGLE     :  1.027           7334                                  
REMARK   3   CHIRALITY :  0.042            842                                  
REMARK   3   PLANARITY :  0.006            938                                  
REMARK   3   DIHEDRAL  : 15.373           3244                                  
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  NCS DETAILS                                                         
REMARK   3   NUMBER OF NCS GROUPS : NULL                                        
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 7XBB COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 25-MAR-22.                  
REMARK 100 THE DEPOSITION ID IS D_1300028472.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 06-JAN-22                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : NULL                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : ROTATING ANODE                     
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : RIGAKU                             
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : PIXEL                              
REMARK 200  DETECTOR MANUFACTURER          : RIGAKU HYPIX-3000                  
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : CRYSALISPRO                        
REMARK 200  DATA SCALING SOFTWARE          : CRYSALISPRO                        
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 45273                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.100                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 24.340                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.8                               
REMARK 200  DATA REDUNDANCY                : 4.800                              
REMARK 200  R MERGE                    (I) : 0.08400                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 14.1000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.10                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.18                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 100.0                              
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.30                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.29300                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 3.400                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: PHASER                                                
REMARK 200 STARTING MODEL: 5WQA                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): NULL                                      
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): NULL                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1 M HEPES (PH 7.4), 0.1 M MGCL2, 15%   
REMARK 280  PEG 3350, 10% ISOPROPANOL, 25% ETHYLENE GLYCOL, VAPOR DIFFUSION,    
REMARK 280  HANGING DROP, TEMPERATURE 277K                                      
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21                       
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X+1/2,-Y,Z+1/2                                         
REMARK 290       3555   -X,Y+1/2,-Z+1/2                                         
REMARK 290       4555   X+1/2,-Y+1/2,-Z                                         
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000       29.02850            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       81.45900            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       40.20800            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       81.45900            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       29.02850            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       40.20800            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 1950 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 27540 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -103.0 KCAL/MOL                       
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B                                  
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465     MET A     1                                                      
REMARK 465     ALA A     2                                                      
REMARK 465     SER A     3                                                      
REMARK 465     ASN A     4                                                      
REMARK 465     LYS A     5                                                      
REMARK 465     PHE A     6                                                      
REMARK 465     LYS A     7                                                      
REMARK 465     ARG A     8                                                      
REMARK 465     MET A     9                                                      
REMARK 465     LEU A    10                                                      
REMARK 465     ASN A    11                                                      
REMARK 465     ARG A    12                                                      
REMARK 465     GLU A    13                                                      
REMARK 465     LEU A    14                                                      
REMARK 465     THR A    15                                                      
REMARK 465     HIS A    16                                                      
REMARK 465     LEU A    17                                                      
REMARK 465     SER A    18                                                      
REMARK 465     GLU A    19                                                      
REMARK 465     MET A    20                                                      
REMARK 465     SER A    21                                                      
REMARK 465     ARG A    22                                                      
REMARK 465     SER A    23                                                      
REMARK 465     GLY A    24                                                      
REMARK 465     ASN A    25                                                      
REMARK 465     GLN A    26                                                      
REMARK 465     VAL A    27                                                      
REMARK 465     SER A    28                                                      
REMARK 465     GLU A    29                                                      
REMARK 465     PHE A    30                                                      
REMARK 465     ILE A    31                                                      
REMARK 465     SER A    32                                                      
REMARK 465     ASN A    33                                                      
REMARK 465     THR A    34                                                      
REMARK 465     PHE A    35                                                      
REMARK 465     LEU A    36                                                      
REMARK 465     ASP A    37                                                      
REMARK 465     LYS A    38                                                      
REMARK 465     GLN A    39                                                      
REMARK 465     HIS A    40                                                      
REMARK 465     GLU A    41                                                      
REMARK 465     VAL A    42                                                      
REMARK 465     GLU A    43                                                      
REMARK 465     ILE A    44                                                      
REMARK 465     PRO A    45                                                      
REMARK 465     SER A    46                                                      
REMARK 465     PRO A    47                                                      
REMARK 465     THR A    48                                                      
REMARK 465     GLN A    49                                                      
REMARK 465     LYS A    50                                                      
REMARK 465     GLU A    51                                                      
REMARK 465     LYS A    52                                                      
REMARK 465     GLU A    53                                                      
REMARK 465     LYS A    54                                                      
REMARK 465     LYS A    55                                                      
REMARK 465     LYS A    56                                                      
REMARK 465     ARG A    57                                                      
REMARK 465     PRO A    58                                                      
REMARK 465     MET A    59                                                      
REMARK 465     SER A    60                                                      
REMARK 465     GLN A    61                                                      
REMARK 465     ILE A    62                                                      
REMARK 465     SER A    63                                                      
REMARK 465     GLY A    64                                                      
REMARK 465     VAL A    65                                                      
REMARK 465     LYS A    66                                                      
REMARK 465     LYS A    67                                                      
REMARK 465     LEU A    68                                                      
REMARK 465     MET A    69                                                      
REMARK 465     HIS A    70                                                      
REMARK 465     SER A    71                                                      
REMARK 465     SER A    72                                                      
REMARK 465     SER A    73                                                      
REMARK 465     LEU A    74                                                      
REMARK 465     THR A    75                                                      
REMARK 465     ASN A    76                                                      
REMARK 465     SER A    77                                                      
REMARK 465     SER A    78                                                      
REMARK 465     ILE A    79                                                      
REMARK 465     PRO A    80                                                      
REMARK 465     ARG A    81                                                      
REMARK 465     PHE A    82                                                      
REMARK 465     GLY A    83                                                      
REMARK 465     VAL A    84                                                      
REMARK 465     LYS A    85                                                      
REMARK 465     THR A    86                                                      
REMARK 465     GLU A    87                                                      
REMARK 465     PRO A   411                                                      
REMARK 465     GLN A   412                                                      
REMARK 465     SER A   413                                                      
REMARK 465     PRO A   414                                                      
REMARK 465     SER A   415                                                      
REMARK 465     PRO A   416                                                      
REMARK 465     ALA A   417                                                      
REMARK 465     PRO A   418                                                      
REMARK 465     ASP A   419                                                      
REMARK 465     ASP A   420                                                      
REMARK 465     PRO A   421                                                      
REMARK 465     GLU A   422                                                      
REMARK 465     GLU A   423                                                      
REMARK 465     GLY A   424                                                      
REMARK 465     ARG A   425                                                      
REMARK 465     GLN A   426                                                      
REMARK 465     GLY A   427                                                      
REMARK 465     GLN A   428                                                      
REMARK 465     THR A   429                                                      
REMARK 465     GLU A   430                                                      
REMARK 465     LYS A   431                                                      
REMARK 465     PHE A   432                                                      
REMARK 465     GLN A   433                                                      
REMARK 465     PHE A   434                                                      
REMARK 465     GLU A   435                                                      
REMARK 465     LEU A   436                                                      
REMARK 465     THR A   437                                                      
REMARK 465     LEU A   438                                                      
REMARK 465     GLU A   439                                                      
REMARK 465     GLU A   440                                                      
REMARK 465     ASP A   441                                                      
REMARK 465     GLY A   442                                                      
REMARK 465     GLU A   443                                                      
REMARK 465     SER A   444                                                      
REMARK 465     ASP A   445                                                      
REMARK 465     THR A   446                                                      
REMARK 465     GLU A   447                                                      
REMARK 465     LYS A   448                                                      
REMARK 465     ASP A   449                                                      
REMARK 465     SER A   450                                                      
REMARK 465     GLY A   451                                                      
REMARK 465     SER A   452                                                      
REMARK 465     GLN A   453                                                      
REMARK 465     VAL A   454                                                      
REMARK 465     GLU A   455                                                      
REMARK 465     GLU A   456                                                      
REMARK 465     ASP A   457                                                      
REMARK 465     THR A   458                                                      
REMARK 465     SER A   459                                                      
REMARK 465     CYS A   460                                                      
REMARK 465     SER A   461                                                      
REMARK 465     ASP A   462                                                      
REMARK 465     SER A   463                                                      
REMARK 465     LYS A   464                                                      
REMARK 465     THR A   465                                                      
REMARK 465     LEU A   466                                                      
REMARK 465     CYS A   467                                                      
REMARK 465     THR A   468                                                      
REMARK 465     GLN A   469                                                      
REMARK 465     ASP A   470                                                      
REMARK 465     SER A   471                                                      
REMARK 465     GLU A   472                                                      
REMARK 465     SER A   473                                                      
REMARK 465     THR A   474                                                      
REMARK 465     GLU A   475                                                      
REMARK 465     ILE A   476                                                      
REMARK 465     PRO A   477                                                      
REMARK 465     LEU A   478                                                      
REMARK 465     ASP A   479                                                      
REMARK 465     GLU A   480                                                      
REMARK 465     GLN A   481                                                      
REMARK 465     VAL A   482                                                      
REMARK 465     GLU A   483                                                      
REMARK 465     GLU A   484                                                      
REMARK 465     GLU A   485                                                      
REMARK 465     ALA A   486                                                      
REMARK 465     VAL A   487                                                      
REMARK 465     GLY A   488                                                      
REMARK 465     GLU A   489                                                      
REMARK 465     GLU A   490                                                      
REMARK 465     GLU A   491                                                      
REMARK 465     GLU A   492                                                      
REMARK 465     SER A   493                                                      
REMARK 465     GLN A   494                                                      
REMARK 465     PRO A   495                                                      
REMARK 465     GLU A   496                                                      
REMARK 465     ALA A   497                                                      
REMARK 465     CYS A   498                                                      
REMARK 465     VAL A   499                                                      
REMARK 465     ILE A   500                                                      
REMARK 465     ASP A   501                                                      
REMARK 465     ASP A   502                                                      
REMARK 465     ARG A   503                                                      
REMARK 465     SER A   504                                                      
REMARK 465     PRO A   505                                                      
REMARK 465     ASP A   506                                                      
REMARK 465     THR A   507                                                      
REMARK 465     MET B     1                                                      
REMARK 465     ALA B     2                                                      
REMARK 465     SER B     3                                                      
REMARK 465     ASN B     4                                                      
REMARK 465     LYS B     5                                                      
REMARK 465     PHE B     6                                                      
REMARK 465     LYS B     7                                                      
REMARK 465     ARG B     8                                                      
REMARK 465     MET B     9                                                      
REMARK 465     LEU B    10                                                      
REMARK 465     ASN B    11                                                      
REMARK 465     ARG B    12                                                      
REMARK 465     GLU B    13                                                      
REMARK 465     LEU B    14                                                      
REMARK 465     THR B    15                                                      
REMARK 465     HIS B    16                                                      
REMARK 465     LEU B    17                                                      
REMARK 465     SER B    18                                                      
REMARK 465     GLU B    19                                                      
REMARK 465     MET B    20                                                      
REMARK 465     SER B    21                                                      
REMARK 465     ARG B    22                                                      
REMARK 465     SER B    23                                                      
REMARK 465     GLY B    24                                                      
REMARK 465     ASN B    25                                                      
REMARK 465     GLN B    26                                                      
REMARK 465     VAL B    27                                                      
REMARK 465     SER B    28                                                      
REMARK 465     GLU B    29                                                      
REMARK 465     PHE B    30                                                      
REMARK 465     ILE B    31                                                      
REMARK 465     SER B    32                                                      
REMARK 465     ASN B    33                                                      
REMARK 465     THR B    34                                                      
REMARK 465     PHE B    35                                                      
REMARK 465     LEU B    36                                                      
REMARK 465     ASP B    37                                                      
REMARK 465     LYS B    38                                                      
REMARK 465     GLN B    39                                                      
REMARK 465     HIS B    40                                                      
REMARK 465     GLU B    41                                                      
REMARK 465     VAL B    42                                                      
REMARK 465     GLU B    43                                                      
REMARK 465     ILE B    44                                                      
REMARK 465     PRO B    45                                                      
REMARK 465     SER B    46                                                      
REMARK 465     PRO B    47                                                      
REMARK 465     THR B    48                                                      
REMARK 465     GLN B    49                                                      
REMARK 465     LYS B    50                                                      
REMARK 465     GLU B    51                                                      
REMARK 465     LYS B    52                                                      
REMARK 465     GLU B    53                                                      
REMARK 465     LYS B    54                                                      
REMARK 465     LYS B    55                                                      
REMARK 465     LYS B    56                                                      
REMARK 465     ARG B    57                                                      
REMARK 465     PRO B    58                                                      
REMARK 465     MET B    59                                                      
REMARK 465     SER B    60                                                      
REMARK 465     GLN B    61                                                      
REMARK 465     ILE B    62                                                      
REMARK 465     SER B    63                                                      
REMARK 465     GLY B    64                                                      
REMARK 465     VAL B    65                                                      
REMARK 465     LYS B    66                                                      
REMARK 465     LYS B    67                                                      
REMARK 465     LEU B    68                                                      
REMARK 465     MET B    69                                                      
REMARK 465     HIS B    70                                                      
REMARK 465     SER B    71                                                      
REMARK 465     SER B    72                                                      
REMARK 465     SER B    73                                                      
REMARK 465     LEU B    74                                                      
REMARK 465     THR B    75                                                      
REMARK 465     ASN B    76                                                      
REMARK 465     SER B    77                                                      
REMARK 465     SER B    78                                                      
REMARK 465     ILE B    79                                                      
REMARK 465     PRO B    80                                                      
REMARK 465     ARG B    81                                                      
REMARK 465     PHE B    82                                                      
REMARK 465     GLY B    83                                                      
REMARK 465     VAL B    84                                                      
REMARK 465     LYS B    85                                                      
REMARK 465     THR B    86                                                      
REMARK 465     GLU B    87                                                      
REMARK 465     PRO B   411                                                      
REMARK 465     GLN B   412                                                      
REMARK 465     SER B   413                                                      
REMARK 465     PRO B   414                                                      
REMARK 465     SER B   415                                                      
REMARK 465     PRO B   416                                                      
REMARK 465     ALA B   417                                                      
REMARK 465     PRO B   418                                                      
REMARK 465     ASP B   419                                                      
REMARK 465     ASP B   420                                                      
REMARK 465     PRO B   421                                                      
REMARK 465     GLU B   422                                                      
REMARK 465     GLU B   423                                                      
REMARK 465     GLY B   424                                                      
REMARK 465     ARG B   425                                                      
REMARK 465     GLN B   426                                                      
REMARK 465     GLY B   427                                                      
REMARK 465     GLN B   428                                                      
REMARK 465     THR B   429                                                      
REMARK 465     GLU B   430                                                      
REMARK 465     LYS B   431                                                      
REMARK 465     PHE B   432                                                      
REMARK 465     GLN B   433                                                      
REMARK 465     PHE B   434                                                      
REMARK 465     GLU B   435                                                      
REMARK 465     LEU B   436                                                      
REMARK 465     THR B   437                                                      
REMARK 465     LEU B   438                                                      
REMARK 465     GLU B   439                                                      
REMARK 465     GLU B   440                                                      
REMARK 465     ASP B   441                                                      
REMARK 465     GLY B   442                                                      
REMARK 465     GLU B   443                                                      
REMARK 465     SER B   444                                                      
REMARK 465     ASP B   445                                                      
REMARK 465     THR B   446                                                      
REMARK 465     GLU B   447                                                      
REMARK 465     LYS B   448                                                      
REMARK 465     ASP B   449                                                      
REMARK 465     SER B   450                                                      
REMARK 465     GLY B   451                                                      
REMARK 465     SER B   452                                                      
REMARK 465     GLN B   453                                                      
REMARK 465     VAL B   454                                                      
REMARK 465     GLU B   455                                                      
REMARK 465     GLU B   456                                                      
REMARK 465     ASP B   457                                                      
REMARK 465     THR B   458                                                      
REMARK 465     SER B   459                                                      
REMARK 465     CYS B   460                                                      
REMARK 465     SER B   461                                                      
REMARK 465     ASP B   462                                                      
REMARK 465     SER B   463                                                      
REMARK 465     LYS B   464                                                      
REMARK 465     THR B   465                                                      
REMARK 465     LEU B   466                                                      
REMARK 465     CYS B   467                                                      
REMARK 465     THR B   468                                                      
REMARK 465     GLN B   469                                                      
REMARK 465     ASP B   470                                                      
REMARK 465     SER B   471                                                      
REMARK 465     GLU B   472                                                      
REMARK 465     SER B   473                                                      
REMARK 465     THR B   474                                                      
REMARK 465     GLU B   475                                                      
REMARK 465     ILE B   476                                                      
REMARK 465     PRO B   477                                                      
REMARK 465     LEU B   478                                                      
REMARK 465     ASP B   479                                                      
REMARK 465     GLU B   480                                                      
REMARK 465     GLN B   481                                                      
REMARK 465     VAL B   482                                                      
REMARK 465     GLU B   483                                                      
REMARK 465     GLU B   484                                                      
REMARK 465     GLU B   485                                                      
REMARK 465     ALA B   486                                                      
REMARK 465     VAL B   487                                                      
REMARK 465     GLY B   488                                                      
REMARK 465     GLU B   489                                                      
REMARK 465     GLU B   490                                                      
REMARK 465     GLU B   491                                                      
REMARK 465     GLU B   492                                                      
REMARK 465     SER B   493                                                      
REMARK 465     GLN B   494                                                      
REMARK 465     PRO B   495                                                      
REMARK 465     GLU B   496                                                      
REMARK 465     ALA B   497                                                      
REMARK 465     CYS B   498                                                      
REMARK 465     VAL B   499                                                      
REMARK 465     ILE B   500                                                      
REMARK 465     ASP B   501                                                      
REMARK 465     ASP B   502                                                      
REMARK 465     ARG B   503                                                      
REMARK 465     SER B   504                                                      
REMARK 465     PRO B   505                                                      
REMARK 465     ASP B   506                                                      
REMARK 465     THR B   507                                                      
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   OD1  ASP B   301     O    HOH B   701              1.57            
REMARK 500   OE2  GLU B   189     NH1  ARG B   306              1.60            
REMARK 500   O    HOH B   855     O    HOH B   857              1.87            
REMARK 500   O    HOH B   706     O    HOH B   808              1.88            
REMARK 500   N    ALA B   392     O    HOH B   702              1.91            
REMARK 500   NE2  GLN A   308     O    HOH A   701              1.91            
REMARK 500   O    HOH A   899     O    HOH A   935              1.92            
REMARK 500   NH1  ARG A   108     O    HOH A   702              1.93            
REMARK 500   O    CYS B   358     O    HOH B   703              1.94            
REMARK 500   O    HOH A   727     O    HOH A   897              1.94            
REMARK 500   O    HOH B   778     O    HOH B   846              1.94            
REMARK 500   O    HOH A   944     O    HOH A   952              1.96            
REMARK 500   O    HOH A   894     O    HOH A   920              1.96            
REMARK 500   O    HOH A   805     O    HOH A   847              1.97            
REMARK 500   NH2  ARG B   257     O    HOH B   704              1.98            
REMARK 500   O    HOH A   955     O    HOH A   957              1.99            
REMARK 500   NZ   LYS A   254     O    HOH A   703              1.99            
REMARK 500   O    HOH A   843     O    HOH A   941              2.02            
REMARK 500   O    HOH B   832     O    HOH B   844              2.02            
REMARK 500   OD1  ASP A   140     O    HOH A   704              2.02            
REMARK 500   OE1  GLN B   327     O    HOH B   705              2.03            
REMARK 500   O    HOH B   799     O    HOH B   840              2.06            
REMARK 500   O    HOH A   849     O    HOH A   950              2.07            
REMARK 500   OE1  GLU B   189     NH2  ARG B   306              2.07            
REMARK 500   O    HOH B   839     O    HOH B   851              2.07            
REMARK 500   ND1  HIS B   378     O    HOH B   706              2.10            
REMARK 500   OE2  GLU A   218     O    HOH A   705              2.10            
REMARK 500   O    HOH A   724     O    HOH A   893              2.11            
REMARK 500   OG1  THR B   186     N    GLU B   189              2.12            
REMARK 500   O    HOH A   913     O    HOH A   930              2.12            
REMARK 500   OE2  GLU B   189     NH2  ARG B   306              2.12            
REMARK 500   OG1  THR B   134     O    HOH B   707              2.12            
REMARK 500   O    HOH B   757     O    HOH B   808              2.13            
REMARK 500   OE2  GLU B   189     CZ   ARG B   306              2.13            
REMARK 500   O    HOH A   901     O    HOH A   931              2.14            
REMARK 500   OE1  GLN A   308     O    HOH A   706              2.14            
REMARK 500   ND2  ASN B   216     O    HOH B   708              2.15            
REMARK 500   O    HOH B   719     O    HOH B   741              2.16            
REMARK 500   O    HOH A   770     O    HOH A   832              2.16            
REMARK 500   SD   MET A   277     O    HOH A   952              2.16            
REMARK 500   OD2  ASP B   282     O    HOH B   709              2.16            
REMARK 500   O    HOH B   817     O    HOH B   843              2.18            
REMARK 500   O    HOH A   774     O    HOH A   915              2.18            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   O    HOH A   731     O    HOH A   922     3654     1.96            
REMARK 500   O    HOH A   860     O    HOH B   701     3544     2.12            
REMARK 500   O    HOH A   810     O    HOH B   794     3554     2.12            
REMARK 500   O    HOH A   904     O    HOH B   848     2554     2.14            
REMARK 500   NZ   LYS A    94     OD1  ASP B   394     2554     2.19            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                      
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)               
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   RES CSSEQI ATM2   DEVIATION                     
REMARK 500    ARG A 342   CZ    ARG A 342   NH2     0.097                       
REMARK 500    ARG B 108   CD    ARG B 108   NE      0.129                       
REMARK 500    ARG B 108   CZ    ARG B 108   NH2     0.123                       
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500    ARG B 108   CB  -  CG  -  CD  ANGL. DEV. = -17.5 DEGREES          
REMARK 500    ASP B 130   CB  -  CG  -  OD2 ANGL. DEV. =  -7.4 DEGREES          
REMARK 500    ARG B 342   NE  -  CZ  -  NH2 ANGL. DEV. =  -5.2 DEGREES          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    LEU A 104      142.29    -33.60                                   
REMARK 500    ILE A 376      -62.45   -125.97                                   
REMARK 500    ASN B 161     -166.13   -127.12                                   
REMARK 500    ALA B 180        2.30    -64.91                                   
REMARK 500    THR B 186      177.57    -53.08                                   
REMARK 500    LYS B 290      157.83    -46.41                                   
REMARK 500    LEU B 319       37.64    -99.79                                   
REMARK 500    ILE B 376      -62.81   -120.38                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS                                         
REMARK 500                                                                      
REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH          
REMARK 500 CIS AND TRANS CONFORMATION.  CIS BONDS, IF ANY, ARE LISTED           
REMARK 500 ON CISPEP RECORDS.  TRANS IS DEFINED AS 180 +/- 30 AND               
REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES.                                  
REMARK 500                                 MODEL     OMEGA                      
REMARK 500 PRO B  390     ASP B  391                 -143.39                    
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: PLANAR GROUPS                                              
REMARK 500                                                                      
REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL                 
REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE                    
REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN                    
REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS                        
REMARK 500 AN RMSD GREATER THAN THIS VALUE                                      
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        RMS     TYPE                                    
REMARK 500    ARG B 108         0.08    SIDE CHAIN                              
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 620                                                                      
REMARK 620 METAL COORDINATION                                                   
REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN A 601  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A 164   NE2                                                    
REMARK 620 2 HIS A 200   NE2  92.8                                              
REMARK 620 3 ASP A 201   OD2  89.5  82.7                                        
REMARK 620 4 ASP A 318   OD1  86.0  85.4 167.1                                  
REMARK 620 5 B6V A 603   O27  79.3 169.8  90.7 100.4                            
REMARK 620 6 HOH A 756   O   170.9  95.9  89.0  97.3  91.7                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG A 602  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A 201   OD1                                                    
REMARK 620 2 HOH A 755   O   167.9                                              
REMARK 620 3 HOH A 756   O    92.2  95.8                                        
REMARK 620 4 HOH A 772   O    85.3  84.6  97.9                                  
REMARK 620 5 HOH A 799   O    96.4  93.5  83.9 177.5                            
REMARK 620 6 HOH A 836   O    86.5  87.3 169.9  91.9  86.3                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN B 601  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS B 164   NE2                                                    
REMARK 620 2 HIS B 200   NE2  92.2                                              
REMARK 620 3 ASP B 201   OD2  92.3  82.3                                        
REMARK 620 4 ASP B 318   OD1  80.0  85.9 165.7                                  
REMARK 620 5 B6V B 603   O27  84.3 175.4  94.7  96.4                            
REMARK 620 6 HOH B 759   O   173.7  93.2  91.6  97.2  90.4                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG B 602  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP B 201   OD1                                                    
REMARK 620 2 HOH B 714   O    77.5                                              
REMARK 620 3 HOH B 722   O   163.4  89.1                                        
REMARK 620 4 HOH B 759   O    90.4  96.8 100.8                                  
REMARK 620 5 HOH B 766   O   101.8 176.7  91.0  86.5                            
REMARK 620 6 HOH B 780   O    87.5  93.2  83.6 169.1  83.5                      
REMARK 620 N                    1     2     3     4     5                       
DBREF  7XBB A    1   507  UNP    Q08499   PDE4D_HUMAN    167    673             
DBREF  7XBB B    1   507  UNP    Q08499   PDE4D_HUMAN    167    673             
SEQRES   1 A  507  MET ALA SER ASN LYS PHE LYS ARG MET LEU ASN ARG GLU          
SEQRES   2 A  507  LEU THR HIS LEU SER GLU MET SER ARG SER GLY ASN GLN          
SEQRES   3 A  507  VAL SER GLU PHE ILE SER ASN THR PHE LEU ASP LYS GLN          
SEQRES   4 A  507  HIS GLU VAL GLU ILE PRO SER PRO THR GLN LYS GLU LYS          
SEQRES   5 A  507  GLU LYS LYS LYS ARG PRO MET SER GLN ILE SER GLY VAL          
SEQRES   6 A  507  LYS LYS LEU MET HIS SER SER SER LEU THR ASN SER SER          
SEQRES   7 A  507  ILE PRO ARG PHE GLY VAL LYS THR GLU GLN GLU ASP VAL          
SEQRES   8 A  507  LEU ALA LYS GLU LEU GLU ASP VAL ASN LYS TRP GLY LEU          
SEQRES   9 A  507  HIS VAL PHE ARG ILE ALA GLU LEU SER GLY ASN ARG PRO          
SEQRES  10 A  507  LEU THR VAL ILE MET HIS THR ILE PHE GLN GLU ARG ASP          
SEQRES  11 A  507  LEU LEU LYS THR PHE LYS ILE PRO VAL ASP THR LEU ILE          
SEQRES  12 A  507  THR TYR LEU MET THR LEU GLU ASP HIS TYR HIS ALA ASP          
SEQRES  13 A  507  VAL ALA TYR HIS ASN ASN ILE HIS ALA ALA ASP VAL VAL          
SEQRES  14 A  507  GLN SER THR HIS VAL LEU LEU SER THR PRO ALA LEU GLU          
SEQRES  15 A  507  ALA VAL PHE THR ASP LEU GLU ILE LEU ALA ALA ILE PHE          
SEQRES  16 A  507  ALA SER ALA ILE HIS ASP VAL ASP HIS PRO GLY VAL SER          
SEQRES  17 A  507  ASN GLN PHE LEU ILE ASN THR ASN SER GLU LEU ALA LEU          
SEQRES  18 A  507  MET TYR ASN ASP SER SER VAL LEU GLU ASN HIS HIS LEU          
SEQRES  19 A  507  ALA VAL GLY PHE LYS LEU LEU GLN GLU GLU ASN CYS ASP          
SEQRES  20 A  507  ILE PHE GLN ASN LEU THR LYS LYS GLN ARG GLN SER LEU          
SEQRES  21 A  507  ARG LYS MET VAL ILE ASP ILE VAL LEU ALA THR ASP MET          
SEQRES  22 A  507  SER LYS HIS MET ASN LEU LEU ALA ASP LEU LYS THR MET          
SEQRES  23 A  507  VAL GLU THR LYS LYS VAL THR SER SER GLY VAL LEU LEU          
SEQRES  24 A  507  LEU ASP ASN TYR SER ASP ARG ILE GLN VAL LEU GLN ASN          
SEQRES  25 A  507  MET VAL HIS CYS ALA ASP LEU SER ASN PRO THR LYS PRO          
SEQRES  26 A  507  LEU GLN LEU TYR ARG GLN TRP THR ASP ARG ILE MET GLU          
SEQRES  27 A  507  GLU PHE PHE ARG GLN GLY ASP ARG GLU ARG GLU ARG GLY          
SEQRES  28 A  507  MET GLU ILE SER PRO MET CYS ASP LYS HIS ASN ALA SER          
SEQRES  29 A  507  VAL GLU LYS SER GLN VAL GLY PHE ILE ASP TYR ILE VAL          
SEQRES  30 A  507  HIS PRO LEU TRP GLU THR TRP ALA ASP LEU VAL HIS PRO          
SEQRES  31 A  507  ASP ALA GLN ASP ILE LEU ASP THR LEU GLU ASP ASN ARG          
SEQRES  32 A  507  GLU TRP TYR GLN SER THR ILE PRO GLN SER PRO SER PRO          
SEQRES  33 A  507  ALA PRO ASP ASP PRO GLU GLU GLY ARG GLN GLY GLN THR          
SEQRES  34 A  507  GLU LYS PHE GLN PHE GLU LEU THR LEU GLU GLU ASP GLY          
SEQRES  35 A  507  GLU SER ASP THR GLU LYS ASP SER GLY SER GLN VAL GLU          
SEQRES  36 A  507  GLU ASP THR SER CYS SER ASP SER LYS THR LEU CYS THR          
SEQRES  37 A  507  GLN ASP SER GLU SER THR GLU ILE PRO LEU ASP GLU GLN          
SEQRES  38 A  507  VAL GLU GLU GLU ALA VAL GLY GLU GLU GLU GLU SER GLN          
SEQRES  39 A  507  PRO GLU ALA CYS VAL ILE ASP ASP ARG SER PRO ASP THR          
SEQRES   1 B  507  MET ALA SER ASN LYS PHE LYS ARG MET LEU ASN ARG GLU          
SEQRES   2 B  507  LEU THR HIS LEU SER GLU MET SER ARG SER GLY ASN GLN          
SEQRES   3 B  507  VAL SER GLU PHE ILE SER ASN THR PHE LEU ASP LYS GLN          
SEQRES   4 B  507  HIS GLU VAL GLU ILE PRO SER PRO THR GLN LYS GLU LYS          
SEQRES   5 B  507  GLU LYS LYS LYS ARG PRO MET SER GLN ILE SER GLY VAL          
SEQRES   6 B  507  LYS LYS LEU MET HIS SER SER SER LEU THR ASN SER SER          
SEQRES   7 B  507  ILE PRO ARG PHE GLY VAL LYS THR GLU GLN GLU ASP VAL          
SEQRES   8 B  507  LEU ALA LYS GLU LEU GLU ASP VAL ASN LYS TRP GLY LEU          
SEQRES   9 B  507  HIS VAL PHE ARG ILE ALA GLU LEU SER GLY ASN ARG PRO          
SEQRES  10 B  507  LEU THR VAL ILE MET HIS THR ILE PHE GLN GLU ARG ASP          
SEQRES  11 B  507  LEU LEU LYS THR PHE LYS ILE PRO VAL ASP THR LEU ILE          
SEQRES  12 B  507  THR TYR LEU MET THR LEU GLU ASP HIS TYR HIS ALA ASP          
SEQRES  13 B  507  VAL ALA TYR HIS ASN ASN ILE HIS ALA ALA ASP VAL VAL          
SEQRES  14 B  507  GLN SER THR HIS VAL LEU LEU SER THR PRO ALA LEU GLU          
SEQRES  15 B  507  ALA VAL PHE THR ASP LEU GLU ILE LEU ALA ALA ILE PHE          
SEQRES  16 B  507  ALA SER ALA ILE HIS ASP VAL ASP HIS PRO GLY VAL SER          
SEQRES  17 B  507  ASN GLN PHE LEU ILE ASN THR ASN SER GLU LEU ALA LEU          
SEQRES  18 B  507  MET TYR ASN ASP SER SER VAL LEU GLU ASN HIS HIS LEU          
SEQRES  19 B  507  ALA VAL GLY PHE LYS LEU LEU GLN GLU GLU ASN CYS ASP          
SEQRES  20 B  507  ILE PHE GLN ASN LEU THR LYS LYS GLN ARG GLN SER LEU          
SEQRES  21 B  507  ARG LYS MET VAL ILE ASP ILE VAL LEU ALA THR ASP MET          
SEQRES  22 B  507  SER LYS HIS MET ASN LEU LEU ALA ASP LEU LYS THR MET          
SEQRES  23 B  507  VAL GLU THR LYS LYS VAL THR SER SER GLY VAL LEU LEU          
SEQRES  24 B  507  LEU ASP ASN TYR SER ASP ARG ILE GLN VAL LEU GLN ASN          
SEQRES  25 B  507  MET VAL HIS CYS ALA ASP LEU SER ASN PRO THR LYS PRO          
SEQRES  26 B  507  LEU GLN LEU TYR ARG GLN TRP THR ASP ARG ILE MET GLU          
SEQRES  27 B  507  GLU PHE PHE ARG GLN GLY ASP ARG GLU ARG GLU ARG GLY          
SEQRES  28 B  507  MET GLU ILE SER PRO MET CYS ASP LYS HIS ASN ALA SER          
SEQRES  29 B  507  VAL GLU LYS SER GLN VAL GLY PHE ILE ASP TYR ILE VAL          
SEQRES  30 B  507  HIS PRO LEU TRP GLU THR TRP ALA ASP LEU VAL HIS PRO          
SEQRES  31 B  507  ASP ALA GLN ASP ILE LEU ASP THR LEU GLU ASP ASN ARG          
SEQRES  32 B  507  GLU TRP TYR GLN SER THR ILE PRO GLN SER PRO SER PRO          
SEQRES  33 B  507  ALA PRO ASP ASP PRO GLU GLU GLY ARG GLN GLY GLN THR          
SEQRES  34 B  507  GLU LYS PHE GLN PHE GLU LEU THR LEU GLU GLU ASP GLY          
SEQRES  35 B  507  GLU SER ASP THR GLU LYS ASP SER GLY SER GLN VAL GLU          
SEQRES  36 B  507  GLU ASP THR SER CYS SER ASP SER LYS THR LEU CYS THR          
SEQRES  37 B  507  GLN ASP SER GLU SER THR GLU ILE PRO LEU ASP GLU GLN          
SEQRES  38 B  507  VAL GLU GLU GLU ALA VAL GLY GLU GLU GLU GLU SER GLN          
SEQRES  39 B  507  PRO GLU ALA CYS VAL ILE ASP ASP ARG SER PRO ASP THR          
HET     ZN  A 601       1                                                       
HET     MG  A 602       1                                                       
HET    B6V  A 603      27                                                       
HET     ZN  B 601       1                                                       
HET     MG  B 602       1                                                       
HET    B6V  B 603      27                                                       
HETNAM      ZN ZINC ION                                                         
HETNAM      MG MAGNESIUM ION                                                    
HETNAM     B6V (2~{R},4~{S})-6-ETHYL-2-[(2~{E})-2-HYDROXYIMINOETHYL]-           
HETNAM   2 B6V  2,8-DIMETHYL-4-(2-METHYLPROP-1-ENYL)-3,4-                       
HETNAM   3 B6V  DIHYDROPYRANO[3,2-C][1,8]NAPHTHYRIDIN-5-ONE                     
FORMUL   3   ZN    2(ZN 2+)                                                     
FORMUL   4   MG    2(MG 2+)                                                     
FORMUL   5  B6V    2(C21 H27 N3 O3)                                             
FORMUL   9  HOH   *417(H2 O)                                                    
HELIX    1 AA1 GLN A   88  LEU A   96  1                                   9    
HELIX    2 AA2 GLU A   97  VAL A   99  5                                   3    
HELIX    3 AA3 HIS A  105  SER A  113  1                                   9    
HELIX    4 AA4 ARG A  116  ARG A  129  1                                  14    
HELIX    5 AA5 ASP A  130  PHE A  135  1                                   6    
HELIX    6 AA6 PRO A  138  HIS A  152  1                                  15    
HELIX    7 AA7 ASN A  161  SER A  177  1                                  17    
HELIX    8 AA8 THR A  178  GLU A  182  5                                   5    
HELIX    9 AA9 THR A  186  HIS A  200  1                                  15    
HELIX   10 AB1 SER A  208  THR A  215  1                                   8    
HELIX   11 AB2 SER A  217  ASN A  224  1                                   8    
HELIX   12 AB3 SER A  227  LEU A  240  1                                  14    
HELIX   13 AB4 LEU A  241  GLU A  243  5                                   3    
HELIX   14 AB5 THR A  253  ALA A  270  1                                  18    
HELIX   15 AB6 THR A  271  SER A  274  5                                   4    
HELIX   16 AB7 LYS A  275  THR A  289  1                                  15    
HELIX   17 AB8 ASN A  302  LEU A  319  1                                  18    
HELIX   18 AB9 SER A  320  LYS A  324  5                                   5    
HELIX   19 AC1 PRO A  325  ARG A  350  1                                  26    
HELIX   20 AC2 SER A  364  ILE A  376  1                                  13    
HELIX   21 AC3 ILE A  376  VAL A  388  1                                  13    
HELIX   22 AC4 ALA A  392  THR A  409  1                                  18    
HELIX   23 AC5 GLU B   89  GLU B   97  1                                   9    
HELIX   24 AC6 HIS B  105  SER B  113  1                                   9    
HELIX   25 AC7 ARG B  116  ARG B  129  1                                  14    
HELIX   26 AC8 ASP B  130  PHE B  135  1                                   6    
HELIX   27 AC9 PRO B  138  HIS B  152  1                                  15    
HELIX   28 AD1 ASN B  161  SER B  177  1                                  17    
HELIX   29 AD2 THR B  178  GLU B  182  5                                   5    
HELIX   30 AD3 THR B  186  HIS B  200  1                                  15    
HELIX   31 AD4 SER B  208  THR B  215  1                                   8    
HELIX   32 AD5 SER B  217  ASN B  224  1                                   8    
HELIX   33 AD6 SER B  227  LEU B  240  1                                  14    
HELIX   34 AD7 LEU B  241  GLU B  243  5                                   3    
HELIX   35 AD8 THR B  253  ALA B  270  1                                  18    
HELIX   36 AD9 THR B  271  SER B  274  5                                   4    
HELIX   37 AE1 LYS B  275  THR B  289  1                                  15    
HELIX   38 AE2 ASN B  302  LEU B  319  1                                  18    
HELIX   39 AE3 SER B  320  LYS B  324  5                                   5    
HELIX   40 AE4 PRO B  325  ARG B  350  1                                  26    
HELIX   41 AE5 SER B  364  ILE B  376  1                                  13    
HELIX   42 AE6 ILE B  376  VAL B  388  1                                  13    
HELIX   43 AE7 ALA B  392  THR B  409  1                                  18    
LINK         NE2 HIS A 164                ZN    ZN A 601     1555   1555  2.19  
LINK         NE2 HIS A 200                ZN    ZN A 601     1555   1555  2.24  
LINK         OD2 ASP A 201                ZN    ZN A 601     1555   1555  2.11  
LINK         OD1 ASP A 201                MG    MG A 602     1555   1555  2.26  
LINK         OD1 ASP A 318                ZN    ZN A 601     1555   1555  2.19  
LINK        ZN    ZN A 601                 O27 B6V A 603     1555   1555  2.18  
LINK        ZN    ZN A 601                 O   HOH A 756     1555   1555  2.17  
LINK        MG    MG A 602                 O   HOH A 755     1555   1555  2.23  
LINK        MG    MG A 602                 O   HOH A 756     1555   1555  1.96  
LINK        MG    MG A 602                 O   HOH A 772     1555   1555  2.20  
LINK        MG    MG A 602                 O   HOH A 799     1555   1555  2.02  
LINK        MG    MG A 602                 O   HOH A 836     1555   1555  2.06  
LINK         NE2 HIS B 164                ZN    ZN B 601     1555   1555  2.29  
LINK         NE2 HIS B 200                ZN    ZN B 601     1555   1555  2.29  
LINK         OD2 ASP B 201                ZN    ZN B 601     1555   1555  2.03  
LINK         OD1 ASP B 201                MG    MG B 602     1555   1555  2.14  
LINK         OD1 ASP B 318                ZN    ZN B 601     1555   1555  2.16  
LINK        ZN    ZN B 601                 O27 B6V B 603     1555   1555  2.22  
LINK        ZN    ZN B 601                 O   HOH B 759     1555   1555  2.01  
LINK        MG    MG B 602                 O   HOH B 714     1555   1555  2.35  
LINK        MG    MG B 602                 O   HOH B 722     1555   1555  2.29  
LINK        MG    MG B 602                 O   HOH B 759     1555   1555  2.05  
LINK        MG    MG B 602                 O   HOH B 766     1555   1555  2.06  
LINK        MG    MG B 602                 O   HOH B 780     1555   1555  2.38  
CISPEP   1 HIS A  389    PRO A  390          0         5.38                     
CISPEP   2 HIS B  389    PRO B  390          0        28.88                     
CRYST1   58.057   80.416  162.918  90.00  90.00  90.00 P 21 21 21    8          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.017224  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.012435  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.006138        0.00000