HEADER    HYDROLASE                               06-OCT-04   1XOS              
TITLE     CATALYTIC DOMAIN OF HUMAN PHOSPHODIESTERASE 4B IN COMPLEX WITH        
TITLE    2 SILDENAFIL                                                           
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: CAMP-SPECIFIC 3',5'-CYCLIC PHOSPHODIESTERASE 4B;           
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: CATALYTIC DOMAIN OF HUMAN PHOSPHODIESTERASE 4B;            
COMPND   5 SYNONYM: DPDE4, PDE32;                                               
COMPND   6 EC: 3.1.4.17;                                                        
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: PDE4B;                                                         
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3)CODON PLUS(RIL);                  
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  10 EXPRESSION_SYSTEM_PLASMID: PET15B                                    
KEYWDS    PHOSPHODIESTERASE, PDE, PDE4B, SILDENAFIL, VIAGRA, HYDROLASE          
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    G.L.CARD,B.P.ENGLAND,Y.SUZUKI,D.FONG,B.POWELL,B.LEE,C.LUU,            
AUTHOR   2 M.TABRIZIZAD,S.GILLETTE,P.N.IBRAHIM,D.R.ARTIS,G.BOLLAG,M.V.MILBURN,  
AUTHOR   3 S.-H.KIM,J.SCHLESSINGER,K.Y.J.ZHANG                                  
REVDAT   4   20-NOV-24 1XOS    1       REMARK SEQADV HETSYN LINK                
REVDAT   3   13-JUL-11 1XOS    1       VERSN                                    
REVDAT   2   24-FEB-09 1XOS    1       VERSN                                    
REVDAT   1   14-DEC-04 1XOS    0                                                
JRNL        AUTH   G.L.CARD,B.P.ENGLAND,Y.SUZUKI,D.FONG,B.POWELL,B.LEE,C.LUU,   
JRNL        AUTH 2 M.TABRIZIZAD,S.GILLETTE,P.N.IBRAHIM,D.R.ARTIS,G.BOLLAG,      
JRNL        AUTH 3 M.V.MILBURN,S.-H.KIM,J.SCHLESSINGER,K.Y.J.ZHANG              
JRNL        TITL   STRUCTURAL BASIS FOR THE ACTIVITY OF DRUGS THAT INHIBIT      
JRNL        TITL 2 PHOSPHODIESTERASES.                                          
JRNL        REF    STRUCTURE                     V.  12  2233 2004              
JRNL        REFN                   ISSN 0969-2126                               
JRNL        PMID   15576036                                                     
JRNL        DOI    10.1016/J.STR.2004.10.004                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.28 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.1.25                                        
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.28                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 70.71                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.7                           
REMARK   3   NUMBER OF REFLECTIONS             : 19916                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.212                           
REMARK   3   R VALUE            (WORKING SET) : 0.210                           
REMARK   3   FREE R VALUE                     : 0.257                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.100                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1080                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 20                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.28                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.34                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 1413                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3750                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 78                           
REMARK   3   BIN FREE R VALUE                    : 0.4200                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2597                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 40                                      
REMARK   3   SOLVENT ATOMS            : 17                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   B VALUE TYPE : LIKELY RESIDUAL                                     
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 43.62                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 1.98000                                              
REMARK   3    B22 (A**2) : 4.68000                                              
REMARK   3    B33 (A**2) : -6.66000                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.261         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.218         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.193         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 8.510         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.958                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.943                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  2691 ; 0.016 ; 0.021       
REMARK   3   BOND LENGTHS OTHERS               (A):  2388 ; 0.002 ; 0.020       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  3653 ; 1.538 ; 1.957       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  5555 ; 1.099 ; 3.000       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   320 ; 6.138 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   411 ; 0.091 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  2967 ; 0.009 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):   529 ; 0.005 ; 0.020       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):   629 ; 0.215 ; 0.200       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  2718 ; 0.223 ; 0.200       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  1511 ; 0.112 ; 0.200       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):    50 ; 0.160 ; 0.200       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):     2 ; 0.103 ; 0.200       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):    11 ; 0.253 ; 0.200       
REMARK   3   SYMMETRY VDW OTHERS               (A):    24 ; 0.343 ; 0.200       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):     5 ; 0.096 ; 0.200       
REMARK   3   SYMMETRY H-BOND OTHERS            (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.     COUNT   RMS    WEIGHT      
REMARK   3   MAIN-CHAIN BOND REFINED ATOMS  (A**2):  1608 ; 0.711 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  2601 ; 1.337 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  1083 ; 1.996 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  1052 ; 3.185 ; 4.500       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3 ANISOTROPIC THERMAL FACTOR RESTRAINTS.    COUNT   RMS   WEIGHT       
REMARK   3   RIGID-BOND RESTRAINTS          (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS STATISTICS                                           
REMARK   3   NUMBER OF DIFFERENT NCS GROUPS : NULL                              
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : 1                                          
REMARK   3                                                                      
REMARK   3   TLS GROUP : 1                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 5                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   A   162        A   193                          
REMARK   3    RESIDUE RANGE :   A   195        A   319                          
REMARK   3    RESIDUE RANGE :   A   321        A   367                          
REMARK   3    RESIDUE RANGE :   A   370        A   431                          
REMARK   3    RESIDUE RANGE :   A   433        A   485                          
REMARK   3    ORIGIN FOR THE GROUP (A):   2.5620  53.3550  42.5540              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.0262 T22:   0.0263                                     
REMARK   3      T33:   0.2870 T12:   0.0229                                     
REMARK   3      T13:   0.0202 T23:   0.0353                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   0.3490 L22:   1.9654                                     
REMARK   3      L33:   4.5210 L12:  -0.2702                                     
REMARK   3      L13:  -0.4179 L23:  -0.9173                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.0585 S12:   0.0213 S13:  -0.1180                       
REMARK   3      S21:   0.1356 S22:   0.1888 S23:   0.1053                       
REMARK   3      S31:  -0.1477 S32:  -0.3030 S33:  -0.1302                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : BABINET MODEL WITH MASK                              
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.40                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING   
REMARK   3  POSITIONS                                                           
REMARK   4                                                                      
REMARK   4 1XOS COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 18-NOV-04.                  
REMARK 100 THE DEPOSITION ID IS D_1000030590.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 04-MAY-03                          
REMARK 200  TEMPERATURE           (KELVIN) : 93                                 
REMARK 200  PH                             : 10.0                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ALS                                
REMARK 200  BEAMLINE                       : 8.3.1                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.1                                
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 210                   
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : BLU-ICE                            
REMARK 200  DATA SCALING SOFTWARE          : ELVES                              
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 19916                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.280                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 70.710                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.7                               
REMARK 200  DATA REDUNDANCY                : 5.200                              
REMARK 200  R MERGE                    (I) : 0.07100                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 6.8000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.28                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.34                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 100.0                              
REMARK 200  DATA REDUNDANCY IN SHELL       : 5.20                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.01084                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 1.600                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: EPMR                                                  
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 50.19                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.47                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: AMMONIUM SULFATE AND LITHIUM SULFATE ,   
REMARK 280  PH 10.0, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 277.0K          
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 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       5555   X+1/2,Y+1/2,Z+1/2                                       
REMARK 290       6555   -X,-Y+1/2,Z                                             
REMARK 290       7555   -X+1/2,Y,-Z                                             
REMARK 290       8555   X,-Y,-Z+1/2                                             
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       47.28550            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       44.74050            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       53.55850            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       44.74050            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       47.28550            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       53.55850            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   5  1.000000  0.000000  0.000000       47.28550            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       53.55850            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000       44.74050            
REMARK 290   SMTRY1   6 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       53.55850            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   7 -1.000000  0.000000  0.000000       47.28550            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000       44.74050            
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 300 REMARK: THE BIOLOGICAL ASSEMBLY IS ONE MONOMER.                      
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: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
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   131                                                      
REMARK 465     GLY A   132                                                      
REMARK 465     SER A   133                                                      
REMARK 465     SER A   134                                                      
REMARK 465     HIS A   135                                                      
REMARK 465     HIS A   136                                                      
REMARK 465     HIS A   137                                                      
REMARK 465     HIS A   138                                                      
REMARK 465     HIS A   139                                                      
REMARK 465     HIS A   140                                                      
REMARK 465     SER A   141                                                      
REMARK 465     SER A   142                                                      
REMARK 465     GLY A   143                                                      
REMARK 465     LEU A   144                                                      
REMARK 465     VAL A   145                                                      
REMARK 465     PRO A   146                                                      
REMARK 465     ARG A   147                                                      
REMARK 465     GLY A   148                                                      
REMARK 465     SER A   149                                                      
REMARK 465     HIS A   150                                                      
REMARK 465     MET A   151                                                      
REMARK 465     SER A   152                                                      
REMARK 465     ILE A   153                                                      
REMARK 465     SER A   154                                                      
REMARK 465     ARG A   155                                                      
REMARK 465     PHE A   156                                                      
REMARK 465     GLY A   157                                                      
REMARK 465     VAL A   158                                                      
REMARK 465     ASN A   159                                                      
REMARK 465     THR A   160                                                      
REMARK 465     GLU A   161                                                      
REMARK 465     SER A   368                                                      
REMARK 465     SER A   369                                                      
REMARK 465     GLN A   486                                                      
REMARK 465     SER A   487                                                      
REMARK 465     PRO A   488                                                      
REMARK 465     SER A   489                                                      
REMARK 465     PRO A   490                                                      
REMARK 465     PRO A   491                                                      
REMARK 465     LEU A   492                                                      
REMARK 465     ASP A   493                                                      
REMARK 465     GLU A   494                                                      
REMARK 465     GLN A   495                                                      
REMARK 465     ASN A   496                                                      
REMARK 465     ARG A   497                                                      
REMARK 465     ASP A   498                                                      
REMARK 465     CYS A   499                                                      
REMARK 465     GLN A   500                                                      
REMARK 465     GLY A   501                                                      
REMARK 465     LEU A   502                                                      
REMARK 465     MET A   503                                                      
REMARK 465     GLU A   504                                                      
REMARK 465     LYS A   505                                                      
REMARK 465     PHE A   506                                                      
REMARK 465     GLN A   507                                                      
REMARK 465     PHE A   508                                                      
REMARK 465     GLU A   509                                                      
REMARK 465     LEU A   510                                                      
REMARK 465     THR A   511                                                      
REMARK 465     LEU A   512                                                      
REMARK 465     ASP A   513                                                      
REMARK 465     GLU A   514                                                      
REMARK 465     GLU A   515                                                      
REMARK 465     ASP A   516                                                      
REMARK 465     SER A   517                                                      
REMARK 465     GLU A   518                                                      
REMARK 465     GLY A   519                                                      
REMARK 465     PRO A   520                                                      
REMARK 465     GLU A   521                                                      
REMARK 465     LYS A   522                                                      
REMARK 465     GLU A   523                                                      
REMARK 465     GLY A   524                                                      
REMARK 465     GLU A   525                                                      
REMARK 465     GLY A   526                                                      
REMARK 465     HIS A   527                                                      
REMARK 465     SER A   528                                                      
REMARK 470                                                                      
REMARK 470 MISSING ATOM                                                         
REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 470 I=INSERTION CODE):                                                   
REMARK 470   M RES CSSEQI  ATOMS                                                
REMARK 470     ARG A 210    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     GLU A 318    CG   CD   OE1  OE2                                  
REMARK 470     LEU A 373    CG   CD1  CD2                                       
REMARK 470     ASP A 375    CG   OD1  OD2                                       
REMARK 470     GLU A 427    CG   CD   OE1  OE2                                  
REMARK 470     LYS A 441    CG   CD   CE   NZ                                   
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    ASP A 164   CB  -  CG  -  OD2 ANGL. DEV. =   5.6 DEGREES          
REMARK 500    ASP A 475   CB  -  CG  -  OD2 ANGL. DEV. =   7.6 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    GLU A 163      -36.52   -155.97                                   
REMARK 500    ARG A 190       54.30   -116.51                                   
REMARK 500    CME A 194      -75.14    -14.60                                   
REMARK 500    HIS A 319        1.94    -61.41                                   
REMARK 500    CME A 320       -6.99   -151.08                                   
REMARK 500    THR A 327      153.33    -49.15                                   
REMARK 500    VAL A 366     -157.95   -149.54                                   
REMARK 500    LEU A 393       42.73   -101.14                                   
REMARK 500    ILE A 450      -57.82   -130.77                                   
REMARK 500    MET A 483       -5.91   -145.59                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 600                                                                      
REMARK 600 HETEROGEN                                                            
REMARK 600 HOH 1003-1009 ARE ASSOCIATED WITH CHAIN A.                           
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 A1001  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A 238   NE2                                                    
REMARK 620 2 HIS A 274   NE2  93.7                                              
REMARK 620 3 ASP A 275   OD2  94.2  83.1                                        
REMARK 620 4 ASP A 392   OD2  83.4  93.7 175.9                                  
REMARK 620 5 HOH A1007   O   171.4  91.1  79.4 103.3                            
REMARK 620 6 HOH A1008   O    88.7 168.6  85.6  97.6  85.1                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG A1002  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A 275   OD1                                                    
REMARK 620 2 HOH A1003   O    76.9                                              
REMARK 620 3 HOH A1004   O    78.1  83.8                                        
REMARK 620 4 HOH A1005   O   161.8  87.7  90.8                                  
REMARK 620 5 HOH A1006   O    83.9  87.1 161.2 105.3                            
REMARK 620 6 HOH A1007   O    84.7 160.5  98.7 111.5  84.7                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 1001                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 1002                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 2                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE VIA A 1                   
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1XLX   RELATED DB: PDB                                   
REMARK 900 PDE4B IN COMPLEX WITH CILOMILAST                                     
REMARK 900 RELATED ID: 1XLZ   RELATED DB: PDB                                   
REMARK 900 PDE4B IN COMPLEX WITH FILAMINAST                                     
REMARK 900 RELATED ID: 1XM4   RELATED DB: PDB                                   
REMARK 900 PDE4B IN COMPLEX WITH PICLAMILAST                                    
REMARK 900 RELATED ID: 1XM6   RELATED DB: PDB                                   
REMARK 900 PDE4B IN COMPLEX WITH (R)-MESOPRAM                                   
REMARK 900 RELATED ID: 1XMU   RELATED DB: PDB                                   
REMARK 900 PDE4B IN COMPLEX WITH ROFLUMILAST                                    
REMARK 900 RELATED ID: 1XMY   RELATED DB: PDB                                   
REMARK 900 PDE4B IN COMPLEX WITH (R)-ROLIPRAM                                   
REMARK 900 RELATED ID: 1XN0   RELATED DB: PDB                                   
REMARK 900 PDE4B IN COMPLEX WITH (R,S)-ROLIPRAM                                 
REMARK 900 RELATED ID: 1XOM   RELATED DB: PDB                                   
REMARK 900 PDE4B IN COMPLEX WITH CILOMILAST                                     
REMARK 900 RELATED ID: 1XON   RELATED DB: PDB                                   
REMARK 900 PDE4B IN COMPLEX WITH PICLAMILAST                                    
REMARK 900 RELATED ID: 1XOQ   RELATED DB: PDB                                   
REMARK 900 PDE4B IN COMPLEX WITH ROFLUMILAST                                    
REMARK 900 RELATED ID: 1XOR   RELATED DB: PDB                                   
REMARK 900 PDE4B IN COMPLEX WITH ZARDAVERINE                                    
REMARK 900 RELATED ID: 1XOT   RELATED DB: PDB                                   
REMARK 900 PDE4B IN COMPLEX WITH VARDENAFIL                                     
REMARK 900 RELATED ID: 1XOZ   RELATED DB: PDB                                   
REMARK 900 PDE5A IN COMPLEX WITH TADALAFIL                                      
REMARK 900 RELATED ID: 1XP0   RELATED DB: PDB                                   
REMARK 900 PDE5A IN COMPLEX WITH VARDENAFIL                                     
DBREF  1XOS A  152   528  UNP    Q07343   PDE4B_HUMAN    324    700             
SEQADV 1XOS MET A  131  UNP  Q07343              INITIATING METHIONINE          
SEQADV 1XOS GLY A  132  UNP  Q07343              CLONING ARTIFACT               
SEQADV 1XOS SER A  133  UNP  Q07343              CLONING ARTIFACT               
SEQADV 1XOS SER A  134  UNP  Q07343              CLONING ARTIFACT               
SEQADV 1XOS HIS A  135  UNP  Q07343              EXPRESSION TAG                 
SEQADV 1XOS HIS A  136  UNP  Q07343              EXPRESSION TAG                 
SEQADV 1XOS HIS A  137  UNP  Q07343              EXPRESSION TAG                 
SEQADV 1XOS HIS A  138  UNP  Q07343              EXPRESSION TAG                 
SEQADV 1XOS HIS A  139  UNP  Q07343              EXPRESSION TAG                 
SEQADV 1XOS HIS A  140  UNP  Q07343              EXPRESSION TAG                 
SEQADV 1XOS SER A  141  UNP  Q07343              CLONING ARTIFACT               
SEQADV 1XOS SER A  142  UNP  Q07343              CLONING ARTIFACT               
SEQADV 1XOS GLY A  143  UNP  Q07343              CLONING ARTIFACT               
SEQADV 1XOS LEU A  144  UNP  Q07343              CLONING ARTIFACT               
SEQADV 1XOS VAL A  145  UNP  Q07343              CLONING ARTIFACT               
SEQADV 1XOS PRO A  146  UNP  Q07343              CLONING ARTIFACT               
SEQADV 1XOS ARG A  147  UNP  Q07343              CLONING ARTIFACT               
SEQADV 1XOS GLY A  148  UNP  Q07343              CLONING ARTIFACT               
SEQADV 1XOS SER A  149  UNP  Q07343              CLONING ARTIFACT               
SEQADV 1XOS HIS A  150  UNP  Q07343              CLONING ARTIFACT               
SEQADV 1XOS MET A  151  UNP  Q07343              CLONING ARTIFACT               
SEQADV 1XOS CME A  194  UNP  Q07343    CYS   366 MODIFIED RESIDUE               
SEQADV 1XOS CME A  320  UNP  Q07343    CYS   492 MODIFIED RESIDUE               
SEQADV 1XOS CME A  432  UNP  Q07343    CYS   604 MODIFIED RESIDUE               
SEQRES   1 A  398  MET GLY SER SER HIS HIS HIS HIS HIS HIS SER SER GLY          
SEQRES   2 A  398  LEU VAL PRO ARG GLY SER HIS MET SER ILE SER ARG PHE          
SEQRES   3 A  398  GLY VAL ASN THR GLU ASN GLU ASP HIS LEU ALA LYS GLU          
SEQRES   4 A  398  LEU GLU ASP LEU ASN LYS TRP GLY LEU ASN ILE PHE ASN          
SEQRES   5 A  398  VAL ALA GLY TYR SER HIS ASN ARG PRO LEU THR CME ILE          
SEQRES   6 A  398  MET TYR ALA ILE PHE GLN GLU ARG ASP LEU LEU LYS THR          
SEQRES   7 A  398  PHE ARG ILE SER SER ASP THR PHE ILE THR TYR MET MET          
SEQRES   8 A  398  THR LEU GLU ASP HIS TYR HIS SER ASP VAL ALA TYR HIS          
SEQRES   9 A  398  ASN SER LEU HIS ALA ALA ASP VAL ALA GLN SER THR HIS          
SEQRES  10 A  398  VAL LEU LEU SER THR PRO ALA LEU ASP ALA VAL PHE THR          
SEQRES  11 A  398  ASP LEU GLU ILE LEU ALA ALA ILE PHE ALA ALA ALA ILE          
SEQRES  12 A  398  HIS ASP VAL ASP HIS PRO GLY VAL SER ASN GLN PHE LEU          
SEQRES  13 A  398  ILE ASN THR ASN SER GLU LEU ALA LEU MET TYR ASN ASP          
SEQRES  14 A  398  GLU SER VAL LEU GLU ASN HIS HIS LEU ALA VAL GLY PHE          
SEQRES  15 A  398  LYS LEU LEU GLN GLU GLU HIS CME ASP ILE PHE MET ASN          
SEQRES  16 A  398  LEU THR LYS LYS GLN ARG GLN THR LEU ARG LYS MET VAL          
SEQRES  17 A  398  ILE ASP MET VAL LEU ALA THR ASP MET SER LYS HIS MET          
SEQRES  18 A  398  SER LEU LEU ALA ASP LEU LYS THR MET VAL GLU THR LYS          
SEQRES  19 A  398  LYS VAL THR SER SER GLY VAL LEU LEU LEU ASP ASN TYR          
SEQRES  20 A  398  THR ASP ARG ILE GLN VAL LEU ARG ASN MET VAL HIS CYS          
SEQRES  21 A  398  ALA ASP LEU SER ASN PRO THR LYS SER LEU GLU LEU TYR          
SEQRES  22 A  398  ARG GLN TRP THR ASP ARG ILE MET GLU GLU PHE PHE GLN          
SEQRES  23 A  398  GLN GLY ASP LYS GLU ARG GLU ARG GLY MET GLU ILE SER          
SEQRES  24 A  398  PRO MET CME ASP LYS HIS THR ALA SER VAL GLU LYS SER          
SEQRES  25 A  398  GLN VAL GLY PHE ILE ASP TYR ILE VAL HIS PRO LEU TRP          
SEQRES  26 A  398  GLU THR TRP ALA ASP LEU VAL GLN PRO ASP ALA GLN ASP          
SEQRES  27 A  398  ILE LEU ASP THR LEU GLU ASP ASN ARG ASN TRP TYR GLN          
SEQRES  28 A  398  SER MET ILE PRO GLN SER PRO SER PRO PRO LEU ASP GLU          
SEQRES  29 A  398  GLN ASN ARG ASP CYS GLN GLY LEU MET GLU LYS PHE GLN          
SEQRES  30 A  398  PHE GLU LEU THR LEU ASP GLU GLU ASP SER GLU GLY PRO          
SEQRES  31 A  398  GLU LYS GLU GLY GLU GLY HIS SER                              
MODRES 1XOS CME A  194  CYS  S,S-(2-HYDROXYETHYL)THIOCYSTEINE                   
MODRES 1XOS CME A  320  CYS  S,S-(2-HYDROXYETHYL)THIOCYSTEINE                   
MODRES 1XOS CME A  432  CYS  S,S-(2-HYDROXYETHYL)THIOCYSTEINE                   
HET    CME  A 194      10                                                       
HET    CME  A 320      10                                                       
HET    CME  A 432      10                                                       
HET     ZN  A1001       1                                                       
HET     MG  A1002       1                                                       
HET    SO4  A   2       5                                                       
HET    VIA  A   1      33                                                       
HETNAM     CME S,S-(2-HYDROXYETHYL)THIOCYSTEINE                                 
HETNAM      ZN ZINC ION                                                         
HETNAM      MG MAGNESIUM ION                                                    
HETNAM     SO4 SULFATE ION                                                      
HETNAM     VIA 5-{2-ETHOXY-5-[(4-METHYLPIPERAZIN-1-YL)                          
HETNAM   2 VIA  SULFONYL]PHENYL}-1-METHYL-3-PROPYL-1H,6H,7H-                    
HETNAM   3 VIA  PYRAZOLO[4,3-D]PYRIMIDIN-7-ONE                                  
HETSYN     VIA SILDENAFIL; VIAGRA                                               
FORMUL   1  CME    3(C5 H11 N O3 S2)                                            
FORMUL   2   ZN    ZN 2+                                                        
FORMUL   3   MG    MG 2+                                                        
FORMUL   4  SO4    O4 S 2-                                                      
FORMUL   5  VIA    C22 H30 N6 O4 S                                              
FORMUL   6  HOH   *17(H2 O)                                                     
HELIX    1   1 GLU A  163  GLU A  171  1                                   9    
HELIX    2   2 ASN A  179  TYR A  186  1                                   8    
HELIX    3   3 ARG A  190  ARG A  203  1                                  14    
HELIX    4   4 ASP A  204  PHE A  209  1                                   6    
HELIX    5   5 SER A  212  HIS A  226  1                                  15    
HELIX    6   6 ASN A  235  SER A  251  1                                  17    
HELIX    7   7 THR A  252  ASP A  256  5                                   5    
HELIX    8   8 THR A  260  HIS A  274  1                                  15    
HELIX    9   9 SER A  282  THR A  289  1                                   8    
HELIX   10  10 SER A  291  ASN A  298  1                                   8    
HELIX   11  11 SER A  301  LEU A  314  1                                  14    
HELIX   12  12 THR A  327  ALA A  344  1                                  18    
HELIX   13  13 THR A  345  SER A  348  5                                   4    
HELIX   14  14 LYS A  349  GLU A  362  1                                  14    
HELIX   15  15 ASN A  376  LEU A  393  1                                  18    
HELIX   16  16 SER A  394  LYS A  398  5                                   5    
HELIX   17  17 SER A  399  GLU A  423  1                                  25    
HELIX   18  18 SER A  429  ASP A  433  5                                   5    
HELIX   19  19 SER A  438  ILE A  450  1                                  13    
HELIX   20  20 ILE A  450  GLN A  463  1                                  14    
HELIX   21  21 ALA A  466  SER A  482  1                                  17    
LINK         C   THR A 193                 N   CME A 194     1555   1555  1.33  
LINK         C   CME A 194                 N   ILE A 195     1555   1555  1.33  
LINK         C   HIS A 319                 N   CME A 320     1555   1555  1.33  
LINK         C   CME A 320                 N   ASP A 321     1555   1555  1.34  
LINK         C   MET A 431                 N   CME A 432     1555   1555  1.33  
LINK         C   CME A 432                 N   ASP A 433     1555   1555  1.34  
LINK         NE2 HIS A 238                ZN    ZN A1001     1555   1555  2.17  
LINK         NE2 HIS A 274                ZN    ZN A1001     1555   1555  2.22  
LINK         OD2 ASP A 275                ZN    ZN A1001     1555   1555  2.16  
LINK         OD1 ASP A 275                MG    MG A1002     1555   1555  2.16  
LINK         OD2 ASP A 392                ZN    ZN A1001     1555   1555  2.20  
LINK        ZN    ZN A1001                 O   HOH A1007     1555   1555  1.87  
LINK        ZN    ZN A1001                 O   HOH A1008     1555   1555  2.34  
LINK        MG    MG A1002                 O   HOH A1003     1555   1555  2.22  
LINK        MG    MG A1002                 O   HOH A1004     1555   1555  2.21  
LINK        MG    MG A1002                 O   HOH A1005     1555   1555  2.07  
LINK        MG    MG A1002                 O   HOH A1006     1555   1555  2.02  
LINK        MG    MG A1002                 O   HOH A1007     1555   1555  1.98  
CISPEP   1 GLN A  463    PRO A  464          0         2.80                     
SITE     1 AC1  6 HIS A 238  HIS A 274  ASP A 275  ASP A 392                    
SITE     2 AC1  6 HOH A1007  HOH A1008                                          
SITE     1 AC2  6 ASP A 275  HOH A1003  HOH A1004  HOH A1005                    
SITE     2 AC2  6 HOH A1006  HOH A1007                                          
SITE     1 AC3  3 SER A 282  ASN A 283  GLN A 284                               
SITE     1 AC4 16 HOH A  10  TYR A 233  HIS A 234  MET A 347                    
SITE     2 AC4 16 ASP A 392  ASN A 395  ILE A 410  MET A 411                    
SITE     3 AC4 16 SER A 429  MET A 431  CME A 432  GLN A 443                    
SITE     4 AC4 16 PHE A 446  ILE A 450  HOH A1008  HOH A1009                    
CRYST1   94.571  107.117   89.481  90.00  90.00  90.00 I 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      0.010574  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.009336  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.011176        0.00000