HEADER    HYDROLASE                               19-MAY-04   1TB5              
TITLE     CATALYTIC DOMAIN OF HUMAN PHOSPHODIESTERASE 4B IN COMPLEX WITH AMP    
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: CAMP-SPECIFIC 3',5'-CYCLIC PHOSPHODIESTERASE 4B;           
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 FRAGMENT: CATALYTIC DOMAIN;                                          
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    PDE4B, HYDROLASE                                                      
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    K.Y.J.ZHANG,G.L.CARD,Y.SUZUKI,D.R.ARTIS,D.FONG,S.GILLETTE,D.HSIEH,    
AUTHOR   2 J.NEIMAN,B.L.WEST,C.ZHANG,M.V.MILBURN,S.-H.KIM,J.SCHLESSINGER,       
AUTHOR   3 G.BOLLAG                                                             
REVDAT   4   14-FEB-24 1TB5    1       REMARK SEQADV LINK                       
REVDAT   3   13-JUL-11 1TB5    1       VERSN                                    
REVDAT   2   24-FEB-09 1TB5    1       VERSN                                    
REVDAT   1   03-AUG-04 1TB5    0                                                
JRNL        AUTH   K.Y.J.ZHANG,G.L.CARD,Y.SUZUKI,D.R.ARTIS,D.FONG,S.GILLETTE,   
JRNL        AUTH 2 D.HSIEH,J.NEIMAN,B.L.WEST,C.ZHANG,M.V.MILBURN,S.-H.KIM,      
JRNL        AUTH 3 J.SCHLESSINGER,G.BOLLAG                                      
JRNL        TITL   A GLUTAMINE SWITCH MECHANISM FOR NUCLEOTIDE SELECTIVITY BY   
JRNL        TITL 2 PHOSPHODIESTERASES                                           
JRNL        REF    MOL.CELL                      V.  15   279 2004              
JRNL        REFN                   ISSN 1097-2765                               
JRNL        PMID   15260978                                                     
JRNL        DOI    10.1016/J.MOLCEL.2004.07.005                                 
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.15 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) : 2.15                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 70.71                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 98.9                           
REMARK   3   NUMBER OF REFLECTIONS             : 46988                          
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) : 0.235                           
REMARK   3   R VALUE            (WORKING SET) : 0.234                           
REMARK   3   FREE R VALUE                     : 0.268                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.100                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 2505                            
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) : 2.15                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.21                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 3361                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3470                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 164                          
REMARK   3   BIN FREE R VALUE                    : 0.4040                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 5226                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 50                                      
REMARK   3   SOLVENT ATOMS            : 69                                      
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) : 29.35                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -3.60000                                             
REMARK   3    B22 (A**2) : 0.84000                                              
REMARK   3    B33 (A**2) : 2.75000                                              
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): 0.235         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.199         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.172         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 6.948         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.947                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.931                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  5394 ; 0.015 ; 0.021       
REMARK   3   BOND LENGTHS OTHERS               (A):  4760 ; 0.002 ; 0.020       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  7326 ; 1.502 ; 1.947       
REMARK   3   BOND ANGLES OTHERS          (DEGREES): 11100 ; 0.937 ; 3.000       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   644 ; 3.214 ; 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):   834 ; 0.096 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  5936 ; 0.009 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):  1044 ; 0.008 ; 0.020       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  1286 ; 0.221 ; 0.200       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  5296 ; 0.222 ; 0.200       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  2942 ; 0.093 ; 0.200       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):   129 ; 0.178 ; 0.200       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):     5 ; 0.121 ; 0.200       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):    11 ; 0.143 ; 0.200       
REMARK   3   SYMMETRY VDW OTHERS               (A):    33 ; 0.313 ; 0.200       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):     3 ; 0.177 ; 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):  3230 ; 0.606 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  5242 ; 1.113 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  2164 ; 1.974 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  2084 ; 3.092 ; 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 : 1                                 
REMARK   3                                                                      
REMARK   3  NCS GROUP NUMBER               : 1                                  
REMARK   3     CHAIN NAMES                    : A B                             
REMARK   3     NUMBER OF COMPONENTS NCS GROUP : 2                               
REMARK   3       COMPONENT C  SSSEQI  TO  C   SSSEQI   CODE                     
REMARK   3           1     A    164       A     193      6                      
REMARK   3           1     B    164       B     193      6                      
REMARK   3           2     A    195       A     484      6                      
REMARK   3           2     B    195       B     484      6                      
REMARK   3                   GROUP CHAIN        COUNT   RMS     WEIGHT          
REMARK   3   LOOSE POSITIONAL   1    A    (A):   4949 ;  0.36 ;  5.00           
REMARK   3   LOOSE THERMAL      1    A (A**2):   4949 ;  1.25 ; 10.00           
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : 2                                          
REMARK   3                                                                      
REMARK   3   TLS GROUP : 1                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 2                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   A   163        A   193                          
REMARK   3    RESIDUE RANGE :   A   195        A   485                          
REMARK   3    ORIGIN FOR THE GROUP (A):  42.4119   2.6167  51.9692              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.1205 T22:   0.0354                                     
REMARK   3      T33:   0.0792 T12:   0.0151                                     
REMARK   3      T13:   0.0249 T23:   0.0529                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   2.7620 L22:   0.9787                                     
REMARK   3      L33:   2.3284 L12:  -0.3238                                     
REMARK   3      L13:  -0.3705 L23:   0.0097                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.0062 S12:   0.0832 S13:   0.0486                       
REMARK   3      S21:  -0.0682 S22:  -0.0348 S23:  -0.0044                       
REMARK   3      S31:   0.0358 S32:   0.2630 S33:   0.0410                       
REMARK   3                                                                      
REMARK   3   TLS GROUP : 2                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 2                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   B   163        B   193                          
REMARK   3    RESIDUE RANGE :   B   195        B   485                          
REMARK   3    ORIGIN FOR THE GROUP (A):   2.3793   2.2192  52.5450              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.1340 T22:   0.0894                                     
REMARK   3      T33:   0.0409 T12:  -0.0088                                     
REMARK   3      T13:   0.0247 T23:   0.0426                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   2.3391 L22:   1.0969                                     
REMARK   3      L33:   1.9241 L12:   0.0957                                     
REMARK   3      L13:  -0.1982 L23:   0.0292                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.0181 S12:   0.0319 S13:  -0.1571                       
REMARK   3      S21:   0.1063 S22:  -0.0086 S23:   0.0301                       
REMARK   3      S31:   0.0853 S32:  -0.2030 S33:   0.0267                       
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 1TB5 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 27-MAY-04.                  
REMARK 100 THE DEPOSITION ID IS D_1000022520.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 28-AUG-03                          
REMARK 200  TEMPERATURE           (KELVIN) : 93                                 
REMARK 200  PH                             : 10                                 
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   : 46988                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.150                              
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     (%) : NULL                               
REMARK 200  DATA REDUNDANCY                : 4.700                              
REMARK 200  R MERGE                    (I) : 0.07900                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 9.2000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.15                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.21                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 100.0                              
REMARK 200  DATA REDUNDANCY IN SHELL       : 4.70                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.75100                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 1.630                              
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   (%): 52.40                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.58                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: AMMONIUM SULFATE, LITHIUM SULFATE, PH    
REMARK 280  10, VAPOR DIFFUSION, SITTING 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       44.77350            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       53.62150            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       47.12050            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       53.62150            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       44.77350            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       47.12050            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2                                                    
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 350                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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     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     ASN A   162                                                      
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 465     GLY B   148                                                      
REMARK 465     SER B   149                                                      
REMARK 465     HIS B   150                                                      
REMARK 465     MET B   151                                                      
REMARK 465     SER B   152                                                      
REMARK 465     ILE B   153                                                      
REMARK 465     SER B   154                                                      
REMARK 465     ARG B   155                                                      
REMARK 465     PHE B   156                                                      
REMARK 465     GLY B   157                                                      
REMARK 465     VAL B   158                                                      
REMARK 465     ASN B   159                                                      
REMARK 465     THR B   160                                                      
REMARK 465     GLU B   161                                                      
REMARK 465     ASN B   162                                                      
REMARK 465     GLN B   486                                                      
REMARK 465     SER B   487                                                      
REMARK 465     PRO B   488                                                      
REMARK 465     SER B   489                                                      
REMARK 465     PRO B   490                                                      
REMARK 465     PRO B   491                                                      
REMARK 465     LEU B   492                                                      
REMARK 465     ASP B   493                                                      
REMARK 465     GLU B   494                                                      
REMARK 465     GLN B   495                                                      
REMARK 465     ASN B   496                                                      
REMARK 465     ARG B   497                                                      
REMARK 465     ASP B   498                                                      
REMARK 465     CYS B   499                                                      
REMARK 465     GLN B   500                                                      
REMARK 465     GLY B   501                                                      
REMARK 465     LEU B   502                                                      
REMARK 465     MET B   503                                                      
REMARK 465     GLU B   504                                                      
REMARK 465     LYS B   505                                                      
REMARK 465     PHE B   506                                                      
REMARK 465     GLN B   507                                                      
REMARK 465     PHE B   508                                                      
REMARK 465     GLU B   509                                                      
REMARK 465     LEU B   510                                                      
REMARK 465     THR B   511                                                      
REMARK 465     LEU B   512                                                      
REMARK 465     ASP B   513                                                      
REMARK 465     GLU B   514                                                      
REMARK 465     GLU B   515                                                      
REMARK 465     ASP B   516                                                      
REMARK 465     SER B   517                                                      
REMARK 465     GLU B   518                                                      
REMARK 465     GLY B   519                                                      
REMARK 465     PRO B   520                                                      
REMARK 465     GLU B   521                                                      
REMARK 465     LYS B   522                                                      
REMARK 465     GLU B   523                                                      
REMARK 465     GLY B   524                                                      
REMARK 465     GLU B   525                                                      
REMARK 465     GLY B   526                                                      
REMARK 465     HIS B   527                                                      
REMARK 465     SER B   528                                                      
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   O    HOH A    58     O    HOH A    60              2.07            
REMARK 500   ND1  HIS A   234     OE2  GLU A   413              2.08            
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    ASP A 204   CB  -  CG  -  OD2 ANGL. DEV. =   5.7 DEGREES          
REMARK 500    ASP A 299   CB  -  CG  -  OD2 ANGL. DEV. =   6.6 DEGREES          
REMARK 500    ASP B 392   CB  -  CG  -  OD2 ANGL. DEV. =   8.0 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    CYS A 194      -73.81    -25.22                                   
REMARK 500    THR A 436      -36.18   -134.62                                   
REMARK 500    CYS B 194      -72.20    -29.49                                   
REMARK 500    HIS B 234       49.45    -86.17                                   
REMARK 500    SER B 301       53.60     36.57                                   
REMARK 500    LEU B 393       46.10   -104.89                                   
REMARK 500    ILE B 450      -55.01   -130.50                                   
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 A1001  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 AMP A 102   O2P                                                    
REMARK 620 2 HIS A 238   NE2  94.8                                              
REMARK 620 3 HIS A 274   NE2 175.6  87.0                                        
REMARK 620 4 ASP A 275   OD2  84.8  92.8  91.1                                  
REMARK 620 5 ASP A 392   OD2 100.7  86.8  83.4 174.5                            
REMARK 620 6 HOH A1007   O    84.3 173.2  93.4  80.5 100.0                      
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 AMP A 102   O1P                                                    
REMARK 620 2 ASP A 275   OD1 107.1                                              
REMARK 620 3 HOH A1003   O    94.5  89.5                                        
REMARK 620 4 HOH A1004   O   176.0  73.7  89.4                                  
REMARK 620 5 HOH A1005   O    94.5 156.4  79.2  85.4                            
REMARK 620 6 HOH A1007   O    88.8  82.2 171.6  87.4 108.3                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN B1001  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 AMP B 101   O2P                                                    
REMARK 620 2 HIS B 238   NE2  90.1                                              
REMARK 620 3 HIS B 274   NE2 171.5  91.6                                        
REMARK 620 4 ASP B 275   OD2  87.9  83.2  84.0                                  
REMARK 620 5 ASP B 392   OD2  96.0  86.4  92.5 169.0                            
REMARK 620 6 HOH B2007   O    85.0 170.7  92.1  88.7 101.9                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG B1002  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 AMP B 101   O1P                                                    
REMARK 620 2 ASP B 275   OD1  98.4                                              
REMARK 620 3 HOH B2003   O    93.8  89.9                                        
REMARK 620 4 HOH B2004   O   174.1  77.5  90.4                                  
REMARK 620 5 HOH B2005   O    99.6 160.9  82.7  85.0                            
REMARK 620 6 HOH B2007   O    86.0  83.2 173.0  89.2 104.2                      
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 ZN B 1001                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 1002                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE AMP B 101                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE AMP A 102                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1T9R   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 1T9S   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 1TAZ   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 1TB7   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 1TBB   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 1TBF   RELATED DB: PDB                                   
DBREF  1TB5 A  152   528  UNP    Q07343   PDE4B_HUMAN    324    700             
DBREF  1TB5 B  152   528  UNP    Q07343   PDE4B_HUMAN    324    700             
SEQADV 1TB5 GLY A  148  UNP  Q07343              EXPRESSION TAG                 
SEQADV 1TB5 SER A  149  UNP  Q07343              EXPRESSION TAG                 
SEQADV 1TB5 HIS A  150  UNP  Q07343              EXPRESSION TAG                 
SEQADV 1TB5 MET A  151  UNP  Q07343              EXPRESSION TAG                 
SEQADV 1TB5 GLY B  148  UNP  Q07343              EXPRESSION TAG                 
SEQADV 1TB5 SER B  149  UNP  Q07343              EXPRESSION TAG                 
SEQADV 1TB5 HIS B  150  UNP  Q07343              EXPRESSION TAG                 
SEQADV 1TB5 MET B  151  UNP  Q07343              EXPRESSION TAG                 
SEQRES   1 A  381  GLY SER HIS MET SER ILE SER ARG PHE GLY VAL ASN THR          
SEQRES   2 A  381  GLU ASN GLU ASP HIS LEU ALA LYS GLU LEU GLU ASP LEU          
SEQRES   3 A  381  ASN LYS TRP GLY LEU ASN ILE PHE ASN VAL ALA GLY TYR          
SEQRES   4 A  381  SER HIS ASN ARG PRO LEU THR CYS ILE MET TYR ALA ILE          
SEQRES   5 A  381  PHE GLN GLU ARG ASP LEU LEU LYS THR PHE ARG ILE SER          
SEQRES   6 A  381  SER ASP THR PHE ILE THR TYR MET MET THR LEU GLU ASP          
SEQRES   7 A  381  HIS TYR HIS SER ASP VAL ALA TYR HIS ASN SER LEU HIS          
SEQRES   8 A  381  ALA ALA ASP VAL ALA GLN SER THR HIS VAL LEU LEU SER          
SEQRES   9 A  381  THR PRO ALA LEU ASP ALA VAL PHE THR ASP LEU GLU ILE          
SEQRES  10 A  381  LEU ALA ALA ILE PHE ALA ALA ALA ILE HIS ASP VAL ASP          
SEQRES  11 A  381  HIS PRO GLY VAL SER ASN GLN PHE LEU ILE ASN THR ASN          
SEQRES  12 A  381  SER GLU LEU ALA LEU MET TYR ASN ASP GLU SER VAL LEU          
SEQRES  13 A  381  GLU ASN HIS HIS LEU ALA VAL GLY PHE LYS LEU LEU GLN          
SEQRES  14 A  381  GLU GLU HIS CYS ASP ILE PHE MET ASN LEU THR LYS LYS          
SEQRES  15 A  381  GLN ARG GLN THR LEU ARG LYS MET VAL ILE ASP MET VAL          
SEQRES  16 A  381  LEU ALA THR ASP MET SER LYS HIS MET SER LEU LEU ALA          
SEQRES  17 A  381  ASP LEU LYS THR MET VAL GLU THR LYS LYS VAL THR SER          
SEQRES  18 A  381  SER GLY VAL LEU LEU LEU ASP ASN TYR THR ASP ARG ILE          
SEQRES  19 A  381  GLN VAL LEU ARG ASN MET VAL HIS CYS ALA ASP LEU SER          
SEQRES  20 A  381  ASN PRO THR LYS SER LEU GLU LEU TYR ARG GLN TRP THR          
SEQRES  21 A  381  ASP ARG ILE MET GLU GLU PHE PHE GLN GLN GLY ASP LYS          
SEQRES  22 A  381  GLU ARG GLU ARG GLY MET GLU ILE SER PRO MET CYS ASP          
SEQRES  23 A  381  LYS HIS THR ALA SER VAL GLU LYS SER GLN VAL GLY PHE          
SEQRES  24 A  381  ILE ASP TYR ILE VAL HIS PRO LEU TRP GLU THR TRP ALA          
SEQRES  25 A  381  ASP LEU VAL GLN PRO ASP ALA GLN ASP ILE LEU ASP THR          
SEQRES  26 A  381  LEU GLU ASP ASN ARG ASN TRP TYR GLN SER MET ILE PRO          
SEQRES  27 A  381  GLN SER PRO SER PRO PRO LEU ASP GLU GLN ASN ARG ASP          
SEQRES  28 A  381  CYS GLN GLY LEU MET GLU LYS PHE GLN PHE GLU LEU THR          
SEQRES  29 A  381  LEU ASP GLU GLU ASP SER GLU GLY PRO GLU LYS GLU GLY          
SEQRES  30 A  381  GLU GLY HIS SER                                              
SEQRES   1 B  381  GLY SER HIS MET SER ILE SER ARG PHE GLY VAL ASN THR          
SEQRES   2 B  381  GLU ASN GLU ASP HIS LEU ALA LYS GLU LEU GLU ASP LEU          
SEQRES   3 B  381  ASN LYS TRP GLY LEU ASN ILE PHE ASN VAL ALA GLY TYR          
SEQRES   4 B  381  SER HIS ASN ARG PRO LEU THR CYS ILE MET TYR ALA ILE          
SEQRES   5 B  381  PHE GLN GLU ARG ASP LEU LEU LYS THR PHE ARG ILE SER          
SEQRES   6 B  381  SER ASP THR PHE ILE THR TYR MET MET THR LEU GLU ASP          
SEQRES   7 B  381  HIS TYR HIS SER ASP VAL ALA TYR HIS ASN SER LEU HIS          
SEQRES   8 B  381  ALA ALA ASP VAL ALA GLN SER THR HIS VAL LEU LEU SER          
SEQRES   9 B  381  THR PRO ALA LEU ASP ALA VAL PHE THR ASP LEU GLU ILE          
SEQRES  10 B  381  LEU ALA ALA ILE PHE ALA ALA ALA ILE HIS ASP VAL ASP          
SEQRES  11 B  381  HIS PRO GLY VAL SER ASN GLN PHE LEU ILE ASN THR ASN          
SEQRES  12 B  381  SER GLU LEU ALA LEU MET TYR ASN ASP GLU SER VAL LEU          
SEQRES  13 B  381  GLU ASN HIS HIS LEU ALA VAL GLY PHE LYS LEU LEU GLN          
SEQRES  14 B  381  GLU GLU HIS CYS ASP ILE PHE MET ASN LEU THR LYS LYS          
SEQRES  15 B  381  GLN ARG GLN THR LEU ARG LYS MET VAL ILE ASP MET VAL          
SEQRES  16 B  381  LEU ALA THR ASP MET SER LYS HIS MET SER LEU LEU ALA          
SEQRES  17 B  381  ASP LEU LYS THR MET VAL GLU THR LYS LYS VAL THR SER          
SEQRES  18 B  381  SER GLY VAL LEU LEU LEU ASP ASN TYR THR ASP ARG ILE          
SEQRES  19 B  381  GLN VAL LEU ARG ASN MET VAL HIS CYS ALA ASP LEU SER          
SEQRES  20 B  381  ASN PRO THR LYS SER LEU GLU LEU TYR ARG GLN TRP THR          
SEQRES  21 B  381  ASP ARG ILE MET GLU GLU PHE PHE GLN GLN GLY ASP LYS          
SEQRES  22 B  381  GLU ARG GLU ARG GLY MET GLU ILE SER PRO MET CYS ASP          
SEQRES  23 B  381  LYS HIS THR ALA SER VAL GLU LYS SER GLN VAL GLY PHE          
SEQRES  24 B  381  ILE ASP TYR ILE VAL HIS PRO LEU TRP GLU THR TRP ALA          
SEQRES  25 B  381  ASP LEU VAL GLN PRO ASP ALA GLN ASP ILE LEU ASP THR          
SEQRES  26 B  381  LEU GLU ASP ASN ARG ASN TRP TYR GLN SER MET ILE PRO          
SEQRES  27 B  381  GLN SER PRO SER PRO PRO LEU ASP GLU GLN ASN ARG ASP          
SEQRES  28 B  381  CYS GLN GLY LEU MET GLU LYS PHE GLN PHE GLU LEU THR          
SEQRES  29 B  381  LEU ASP GLU GLU ASP SER GLU GLY PRO GLU LYS GLU GLY          
SEQRES  30 B  381  GLU GLY HIS SER                                              
HET     ZN  A1001       1                                                       
HET     MG  A1002       1                                                       
HET    AMP  A 102      23                                                       
HET     ZN  B1001       1                                                       
HET     MG  B1002       1                                                       
HET    AMP  B 101      23                                                       
HETNAM      ZN ZINC ION                                                         
HETNAM      MG MAGNESIUM ION                                                    
HETNAM     AMP ADENOSINE MONOPHOSPHATE                                          
FORMUL   3   ZN    2(ZN 2+)                                                     
FORMUL   4   MG    2(MG 2+)                                                     
FORMUL   5  AMP    2(C10 H14 N5 O7 P)                                           
FORMUL   9  HOH   *69(H2 O)                                                     
HELIX    1   1 GLU A  163  LEU A  170  1                                   8    
HELIX    2   2 GLU A  171  LEU A  173  5                                   3    
HELIX    3   3 ASN A  179  TYR A  186  1                                   8    
HELIX    4   4 ARG A  190  ARG A  203  1                                  14    
HELIX    5   5 ASP A  204  ARG A  210  1                                   7    
HELIX    6   6 SER A  212  HIS A  226  1                                  15    
HELIX    7   7 ASN A  235  SER A  251  1                                  17    
HELIX    8   8 THR A  252  ASP A  256  5                                   5    
HELIX    9   9 THR A  260  HIS A  274  1                                  15    
HELIX   10  10 SER A  282  THR A  289  1                                   8    
HELIX   11  11 SER A  291  TYR A  297  1                                   7    
HELIX   12  12 SER A  301  LEU A  315  1                                  15    
HELIX   13  13 GLU A  317  ASP A  321  5                                   5    
HELIX   14  14 THR A  327  ALA A  344  1                                  18    
HELIX   15  15 THR A  345  SER A  348  5                                   4    
HELIX   16  16 LYS A  349  THR A  363  1                                  15    
HELIX   17  17 ASN A  376  LEU A  393  1                                  18    
HELIX   18  18 SER A  394  LYS A  398  5                                   5    
HELIX   19  19 SER A  399  ARG A  424  1                                  26    
HELIX   20  20 SER A  429  ASP A  433  5                                   5    
HELIX   21  21 SER A  438  ILE A  450  1                                  13    
HELIX   22  22 ILE A  450  VAL A  462  1                                  13    
HELIX   23  23 ALA A  466  MET A  483  1                                  18    
HELIX   24  24 GLU B  163  LEU B  170  1                                   8    
HELIX   25  25 GLU B  171  LEU B  173  5                                   3    
HELIX   26  26 ASN B  179  SER B  187  1                                   9    
HELIX   27  27 ARG B  190  ARG B  203  1                                  14    
HELIX   28  28 ASP B  204  PHE B  209  1                                   6    
HELIX   29  29 SER B  212  HIS B  226  1                                  15    
HELIX   30  30 ASN B  235  LEU B  250  1                                  16    
HELIX   31  31 SER B  251  ASP B  256  5                                   6    
HELIX   32  32 THR B  260  HIS B  274  1                                  15    
HELIX   33  33 SER B  282  THR B  289  1                                   8    
HELIX   34  34 SER B  291  TYR B  297  1                                   7    
HELIX   35  35 SER B  301  LEU B  314  1                                  14    
HELIX   36  36 LEU B  315  GLN B  316  5                                   2    
HELIX   37  37 GLU B  317  ASP B  321  5                                   5    
HELIX   38  38 THR B  327  ALA B  344  1                                  18    
HELIX   39  39 THR B  345  SER B  348  5                                   4    
HELIX   40  40 LYS B  349  THR B  363  1                                  15    
HELIX   41  41 ASN B  376  LEU B  393  1                                  18    
HELIX   42  42 SER B  394  LYS B  398  5                                   5    
HELIX   43  43 SER B  399  GLY B  425  1                                  27    
HELIX   44  44 SER B  429  ASP B  433  5                                   5    
HELIX   45  45 SER B  438  ILE B  450  1                                  13    
HELIX   46  46 ILE B  450  VAL B  462  1                                  13    
HELIX   47  47 ALA B  466  MET B  483  1                                  18    
LINK         O2P AMP A 102                ZN    ZN A1001     1555   1555  2.26  
LINK         O1P AMP A 102                MG    MG A1002     1555   1555  2.13  
LINK         NE2 HIS A 238                ZN    ZN A1001     1555   1555  2.25  
LINK         NE2 HIS A 274                ZN    ZN A1001     1555   1555  2.39  
LINK         OD2 ASP A 275                ZN    ZN A1001     1555   1555  2.25  
LINK         OD1 ASP A 275                MG    MG A1002     1555   1555  2.14  
LINK         OD2 ASP A 392                ZN    ZN A1001     1555   1555  2.13  
LINK        ZN    ZN A1001                 O   HOH A1007     1555   1555  1.77  
LINK        MG    MG A1002                 O   HOH A1003     1555   1555  1.97  
LINK        MG    MG A1002                 O   HOH A1004     1555   1555  1.96  
LINK        MG    MG A1002                 O   HOH A1005     1555   1555  2.23  
LINK        MG    MG A1002                 O   HOH A1007     1555   1555  2.14  
LINK         O2P AMP B 101                ZN    ZN B1001     1555   1555  2.47  
LINK         O1P AMP B 101                MG    MG B1002     1555   1555  2.09  
LINK         NE2 HIS B 238                ZN    ZN B1001     1555   1555  2.28  
LINK         NE2 HIS B 274                ZN    ZN B1001     1555   1555  2.15  
LINK         OD2 ASP B 275                ZN    ZN B1001     1555   1555  2.17  
LINK         OD1 ASP B 275                MG    MG B1002     1555   1555  2.12  
LINK         OD2 ASP B 392                ZN    ZN B1001     1555   1555  2.11  
LINK        ZN    ZN B1001                 O   HOH B2007     1555   1555  1.92  
LINK        MG    MG B1002                 O   HOH B2003     1555   1555  2.22  
LINK        MG    MG B1002                 O   HOH B2004     1555   1555  2.11  
LINK        MG    MG B1002                 O   HOH B2005     1555   1555  2.19  
LINK        MG    MG B1002                 O   HOH B2007     1555   1555  1.99  
CISPEP   1 GLN A  463    PRO A  464          0        -0.64                     
CISPEP   2 GLN B  463    PRO B  464          0         0.95                     
SITE     1 AC1  7 AMP A 102  HIS A 238  HIS A 274  ASP A 275                    
SITE     2 AC1  7 ASP A 392   MG A1002  HOH A1007                               
SITE     1 AC2  7 AMP A 102  ASP A 275   ZN A1001  HOH A1003                    
SITE     2 AC2  7 HOH A1004  HOH A1005  HOH A1007                               
SITE     1 AC3  7 AMP B 101  HIS B 238  HIS B 274  ASP B 275                    
SITE     2 AC3  7 ASP B 392   MG B1002  HOH B2007                               
SITE     1 AC4  7 AMP B 101  ASP B 275   ZN B1001  HOH B2003                    
SITE     2 AC4  7 HOH B2004  HOH B2005  HOH B2007                               
SITE     1 AC5 16 HOH B  13  HOH B  54  TYR B 233  HIS B 234                    
SITE     2 AC5 16 HIS B 238  ASP B 275  MET B 347  ASP B 392                    
SITE     3 AC5 16 LEU B 393  ASN B 395  ILE B 410  GLN B 443                    
SITE     4 AC5 16 PHE B 446   ZN B1001   MG B1002  HOH B2007                    
SITE     1 AC6 16 HOH A  58  HOH A  59  HIS A 234  HIS A 238                    
SITE     2 AC6 16 ASP A 275  ASP A 392  LEU A 393  ASN A 395                    
SITE     3 AC6 16 ILE A 410  PHE A 414  GLN A 443  PHE A 446                    
SITE     4 AC6 16  ZN A1001   MG A1002  HOH A1003  HOH A1007                    
CRYST1   89.547   94.241  107.243  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      0.011167  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.010611  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.009325        0.00000