HEADER    HYDROLASE                               28-JUL-08   3DYN              
TITLE     HUMAN PHOSPHODIESTRASE 9 IN COMPLEX WITH CGMP (ZN INHIBITED)          
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: HIGH AFFINITY CGMP-SPECIFIC 3',5'-CYCLIC PHOSPHODIESTERASE 
COMPND   3 9A;                                                                  
COMPND   4 CHAIN: A, B;                                                         
COMPND   5 FRAGMENT: CATALYTIC DOMAIN, UNP RESIDUES 242-566;                    
COMPND   6 EC: 3.1.4.35;                                                        
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: PDE9A;                                                         
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562                                         
KEYWDS    PHOPHODIESTRASE, ENZYME MECHANISM, CGMP, HYDROLASE, MANGANESE, METAL- 
KEYWDS   2 BINDING, PHOSPHOPROTEIN                                              
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    S.LIU,M.N.MANSOUR,K.DILLMAN,J.PEREZ,D.DANLEY,F.MENNITI                
REVDAT   5   30-AUG-23 3DYN    1       REMARK SEQADV LINK                       
REVDAT   4   13-JUL-11 3DYN    1       VERSN                                    
REVDAT   3   24-FEB-09 3DYN    1       VERSN                                    
REVDAT   2   23-SEP-08 3DYN    1       JRNL                                     
REVDAT   1   16-SEP-08 3DYN    0                                                
JRNL        AUTH   S.LIU,M.N.MANSOUR,K.S.DILLMAN,J.R.PEREZ,D.E.DANLEY,P.A.AEED, 
JRNL        AUTH 2 S.P.SIMONS,P.K.LEMOTTE,F.S.MENNITI                           
JRNL        TITL   STRUCTURAL BASIS FOR THE CATALYTIC MECHANISM OF HUMAN        
JRNL        TITL 2 PHOSPHODIESTERASE 9.                                         
JRNL        REF    PROC.NATL.ACAD.SCI.USA        V. 105 13309 2008              
JRNL        REFN                   ISSN 0027-8424                               
JRNL        PMID   18757755                                                     
JRNL        DOI    10.1073/PNAS.0708850105                                      
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.10 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.3.0008                                      
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) : 2.10                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 50.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.8                           
REMARK   3   NUMBER OF REFLECTIONS             : 77963                          
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) : 0.183                           
REMARK   3   R VALUE            (WORKING SET) : 0.180                           
REMARK   3   FREE R VALUE                     : 0.203                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 10.100                          
REMARK   3   FREE R VALUE TEST SET COUNT      : 8759                            
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) : 2.10                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.16                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 5595                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 98.31                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2800                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 632                          
REMARK   3   BIN FREE R VALUE                    : 0.2980                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 5412                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 66                                      
REMARK   3   SOLVENT ATOMS            : 450                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   B VALUE TYPE : LIKELY RESIDUAL                                     
REMARK   3   FROM WILSON PLOT           (A**2) : 37.90                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 31.80                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 1.49000                                              
REMARK   3    B22 (A**2) : 1.49000                                              
REMARK   3    B33 (A**2) : -2.97000                                             
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): 0.130         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.122         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.089         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 6.496         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.965                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.958                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  5621 ; 0.013 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):  3822 ; 0.001 ; 0.020       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  7625 ; 1.120 ; 1.968       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  9316 ; 0.807 ; 3.000       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   654 ; 6.147 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   278 ;34.403 ;24.317       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):  1000 ;16.630 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    32 ;20.959 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   821 ; 0.077 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  6145 ; 0.013 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):  1127 ; 0.003 ; 0.020       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  1369 ; 0.238 ; 0.200       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  4007 ; 0.217 ; 0.200       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  2773 ; 0.192 ; 0.200       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  2714 ; 0.091 ; 0.200       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):   352 ; 0.205 ; 0.200       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):     6 ; 0.294 ; 0.200       
REMARK   3   SYMMETRY VDW OTHERS               (A):    37 ; 0.240 ; 0.200       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):    14 ; 0.202 ; 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):  4307 ; 2.171 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  1288 ; 0.440 ; 1.500       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  5380 ; 2.362 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  2710 ; 4.262 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  2245 ; 6.133 ; 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 : 0                               
REMARK   3       COMPONENT C  SSSEQI  TO  C   SSSEQI   CODE                     
REMARK   3                   GROUP CHAIN        COUNT   RMS     WEIGHT          
REMARK   3   TIGHT POSITIONAL   1    A    (A):   1479 ;  0.06 ;  0.05           
REMARK   3   MEDIUM POSITIONAL  1    B    (A):   2000 ;  0.10 ;  0.50           
REMARK   3   TIGHT THERMAL      1    A (A**2):   1479 ;  0.31 ;  0.50           
REMARK   3   MEDIUM THERMAL     1    B (A**2):   2000 ;  0.33 ;  2.00           
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 : 1                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   A   181        A   505                          
REMARK   3    ORIGIN FOR THE GROUP (A):  84.2591  45.6871  45.7531              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.0427 T22:  -0.1211                                     
REMARK   3      T33:  -0.0131 T12:  -0.0132                                     
REMARK   3      T13:  -0.0147 T23:   0.0118                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   0.3748 L22:   0.4181                                     
REMARK   3      L33:   0.5430 L12:  -0.3538                                     
REMARK   3      L13:  -0.0500 L23:   0.0531                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.0746 S12:  -0.0359 S13:  -0.0322                       
REMARK   3      S21:  -0.0264 S22:  -0.0064 S23:   0.0513                       
REMARK   3      S31:  -0.0589 S32:   0.0491 S33:  -0.0682                       
REMARK   3                                                                      
REMARK   3   TLS GROUP : 2                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 1                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   B   181        B   505                          
REMARK   3    ORIGIN FOR THE GROUP (A):  92.8205  32.0538   6.9450              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:  -0.0066 T22:  -0.0426                                     
REMARK   3      T33:  -0.0116 T12:   0.0413                                     
REMARK   3      T13:   0.0020 T23:  -0.0099                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   0.1857 L22:   0.6893                                     
REMARK   3      L33:   0.7949 L12:  -0.1386                                     
REMARK   3      L13:   0.0710 L23:  -0.2808                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.0175 S12:   0.0919 S13:  -0.0164                       
REMARK   3      S21:   0.0012 S22:  -0.0267 S23:  -0.0117                       
REMARK   3      S31:   0.0687 S32:   0.0279 S33:   0.0092                       
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   : 1.20                                          
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 3DYN COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 29-JUL-08.                  
REMARK 100 THE DEPOSITION ID IS D_1000048653.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 26-JUL-06                          
REMARK 200  TEMPERATURE           (KELVIN) : NULL                               
REMARK 200  PH                             : NULL                               
REMARK 200  NUMBER OF CRYSTALS USED        : NULL                               
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : APS                                
REMARK 200  BEAMLINE                       : 17-ID                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.0                                
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 : NULL                               
REMARK 200  DATA SCALING SOFTWARE          : NULL                               
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 77963                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.100                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 2.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.8                               
REMARK 200  DATA REDUNDANCY                : 6.100                              
REMARK 200  R MERGE                    (I) : 0.09000                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 18.1000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : NULL                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : NULL                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS            
REMARK 200 SOFTWARE USED: NULL                                                  
REMARK 200 STARTING MODEL: 1TBM                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 73.75                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 4.69                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: NULL                                     
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 41 21 2                        
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z+1/2                                             
REMARK 290       3555   -Y+1/2,X+1/2,Z+1/4                                      
REMARK 290       4555   Y+1/2,-X+1/2,Z+3/4                                      
REMARK 290       5555   -X+1/2,Y+1/2,-Z+1/4                                     
REMARK 290       6555   X+1/2,-Y+1/2,-Z+3/4                                     
REMARK 290       7555   Y,X,-Z                                                  
REMARK 290       8555   -Y,-X,-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        0.00000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000      135.05900            
REMARK 290   SMTRY1   3  0.000000 -1.000000  0.000000       51.92850            
REMARK 290   SMTRY2   3  1.000000  0.000000  0.000000       51.92850            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       67.52950            
REMARK 290   SMTRY1   4  0.000000  1.000000  0.000000       51.92850            
REMARK 290   SMTRY2   4 -1.000000  0.000000  0.000000       51.92850            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000      202.58850            
REMARK 290   SMTRY1   5 -1.000000  0.000000  0.000000       51.92850            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       51.92850            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000       67.52950            
REMARK 290   SMTRY1   6  1.000000  0.000000  0.000000       51.92850            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       51.92850            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000      202.58850            
REMARK 290   SMTRY1   7  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   7  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   8  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   8 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000      135.05900            
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 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PISA                                                  
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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PISA                                                  
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     LYS A   506                                                      
REMARK 465     LYS B   506                                                      
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   CB   CYS A   326     O    HOH A  1231              1.74            
REMARK 500   OE1  GLN B   481     O    HOH B   988              1.86            
REMARK 500   SG   CYS A   326     O    HOH A  1231              1.96            
REMARK 500   OE2  GLU B   414     O    HOH B  1109              2.02            
REMARK 500   O    HOH B  1015     O    HOH B  1037              2.11            
REMARK 500   NH1  ARG A   226     O    HOH A  1125              2.15            
REMARK 500   O    HOH A  1204     O    HOH A  1209              2.16            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500    ARG A 237   NE  -  CZ  -  NH2 ANGL. DEV. =  -4.3 DEGREES          
REMARK 500    ARG B 237   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.6 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    PRO A 184      150.92    -49.97                                   
REMARK 500    ASP A 317       15.66     59.72                                   
REMARK 500    SER A 319       58.36     28.81                                   
REMARK 500    ASN A 381       75.27   -166.56                                   
REMARK 500    ASP B 317       14.58     59.34                                   
REMARK 500    SER B 319       59.08     34.42                                   
REMARK 500    ASN B 381       71.96   -165.54                                   
REMARK 500    GLN B 504      -86.59   -117.76                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 620                                                                      
REMARK 620 METAL COORDINATION                                                   
REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN A 901  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A 256   NE2                                                    
REMARK 620 2 HIS A 292   NE2 101.0                                              
REMARK 620 3 ASP A 293   OD2  93.2  82.9                                        
REMARK 620 4 ASP A 402   OD1  92.0  93.9 174.3                                  
REMARK 620 5 HOH A1000   O   152.1 106.8  93.0  83.4                            
REMARK 620 6 HOH A1001   O    86.0 171.7 101.4  81.2  66.1                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG A 902  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A 293   OD1                                                    
REMARK 620 2 HOH A1000   O    95.5                                              
REMARK 620 3 HOH A1002   O   176.7  86.1                                        
REMARK 620 4 HOH A1003   O    88.4 105.0  94.0                                  
REMARK 620 5 HOH A1004   O    88.6 154.1  88.7 100.6                            
REMARK 620 N                    1     2     3     4                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN B 901  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS B 256   NE2                                                    
REMARK 620 2 HIS B 292   NE2  97.5                                              
REMARK 620 3 ASP B 293   OD2  93.8  86.6                                        
REMARK 620 4 ASP B 402   OD1  94.3  88.1 170.8                                  
REMARK 620 5 HOH B 904   O   160.8 101.6  90.0  83.7                            
REMARK 620 N                    1     2     3     4                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG B 902  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP B 293   OD1                                                    
REMARK 620 2 PCG B 900   O2A 104.1                                              
REMARK 620 3 HOH B 904   O    94.0  75.9                                        
REMARK 620 4 HOH B 905   O   172.2  82.3  83.0                                  
REMARK 620 5 HOH B 906   O    85.3 165.1  92.0  87.6                            
REMARK 620 6 HOH B 907   O    94.9  92.6 166.9  89.3  98.3                      
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 901                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 902                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN B 901                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 902                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PCG A 903                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IBM B 903                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PCG B 900                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 3DY8   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3DYL   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3DYQ   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3DYS   RELATED DB: PDB                                   
DBREF  3DYN A  182   506  UNP    O76083   PDE9A_HUMAN    242    566             
DBREF  3DYN B  182   506  UNP    O76083   PDE9A_HUMAN    242    566             
SEQADV 3DYN GLY A  178  UNP  O76083              EXPRESSION TAG                 
SEQADV 3DYN SER A  179  UNP  O76083              EXPRESSION TAG                 
SEQADV 3DYN HIS A  180  UNP  O76083              EXPRESSION TAG                 
SEQADV 3DYN MET A  181  UNP  O76083              EXPRESSION TAG                 
SEQADV 3DYN GLY B  178  UNP  O76083              EXPRESSION TAG                 
SEQADV 3DYN SER B  179  UNP  O76083              EXPRESSION TAG                 
SEQADV 3DYN HIS B  180  UNP  O76083              EXPRESSION TAG                 
SEQADV 3DYN MET B  181  UNP  O76083              EXPRESSION TAG                 
SEQRES   1 A  329  GLY SER HIS MET THR TYR PRO LYS TYR LEU LEU SER PRO          
SEQRES   2 A  329  GLU THR ILE GLU ALA LEU ARG LYS PRO THR PHE ASP VAL          
SEQRES   3 A  329  TRP LEU TRP GLU PRO ASN GLU MET LEU SER CYS LEU GLU          
SEQRES   4 A  329  HIS MET TYR HIS ASP LEU GLY LEU VAL ARG ASP PHE SER          
SEQRES   5 A  329  ILE ASN PRO VAL THR LEU ARG ARG TRP LEU PHE CYS VAL          
SEQRES   6 A  329  HIS ASP ASN TYR ARG ASN ASN PRO PHE HIS ASN PHE ARG          
SEQRES   7 A  329  HIS CYS PHE CYS VAL ALA GLN MET MET TYR SER MET VAL          
SEQRES   8 A  329  TRP LEU CYS SER LEU GLN GLU LYS PHE SER GLN THR ASP          
SEQRES   9 A  329  ILE LEU ILE LEU MET THR ALA ALA ILE CYS HIS ASP LEU          
SEQRES  10 A  329  ASP HIS PRO GLY TYR ASN ASN THR TYR GLN ILE ASN ALA          
SEQRES  11 A  329  ARG THR GLU LEU ALA VAL ARG TYR ASN ASP ILE SER PRO          
SEQRES  12 A  329  LEU GLU ASN HIS HIS CYS ALA VAL ALA PHE GLN ILE LEU          
SEQRES  13 A  329  ALA GLU PRO GLU CYS ASN ILE PHE SER ASN ILE PRO PRO          
SEQRES  14 A  329  ASP GLY PHE LYS GLN ILE ARG GLN GLY MET ILE THR LEU          
SEQRES  15 A  329  ILE LEU ALA THR ASP MET ALA ARG HIS ALA GLU ILE MET          
SEQRES  16 A  329  ASP SER PHE LYS GLU LYS MET GLU ASN PHE ASP TYR SER          
SEQRES  17 A  329  ASN GLU GLU HIS MET THR LEU LEU LYS MET ILE LEU ILE          
SEQRES  18 A  329  LYS CYS CYS ASP ILE SER ASN GLU VAL ARG PRO MET GLU          
SEQRES  19 A  329  VAL ALA GLU PRO TRP VAL ASP CYS LEU LEU GLU GLU TYR          
SEQRES  20 A  329  PHE MET GLN SER ASP ARG GLU LYS SER GLU GLY LEU PRO          
SEQRES  21 A  329  VAL ALA PRO PHE MET ASP ARG ASP LYS VAL THR LYS ALA          
SEQRES  22 A  329  THR ALA GLN ILE GLY PHE ILE LYS PHE VAL LEU ILE PRO          
SEQRES  23 A  329  MET PHE GLU THR VAL THR LYS LEU PHE PRO MET VAL GLU          
SEQRES  24 A  329  GLU ILE MET LEU GLN PRO LEU TRP GLU SER ARG ASP ARG          
SEQRES  25 A  329  TYR GLU GLU LEU LYS ARG ILE ASP ASP ALA MET LYS GLU          
SEQRES  26 A  329  LEU GLN LYS LYS                                              
SEQRES   1 B  329  GLY SER HIS MET THR TYR PRO LYS TYR LEU LEU SER PRO          
SEQRES   2 B  329  GLU THR ILE GLU ALA LEU ARG LYS PRO THR PHE ASP VAL          
SEQRES   3 B  329  TRP LEU TRP GLU PRO ASN GLU MET LEU SER CYS LEU GLU          
SEQRES   4 B  329  HIS MET TYR HIS ASP LEU GLY LEU VAL ARG ASP PHE SER          
SEQRES   5 B  329  ILE ASN PRO VAL THR LEU ARG ARG TRP LEU PHE CYS VAL          
SEQRES   6 B  329  HIS ASP ASN TYR ARG ASN ASN PRO PHE HIS ASN PHE ARG          
SEQRES   7 B  329  HIS CYS PHE CYS VAL ALA GLN MET MET TYR SER MET VAL          
SEQRES   8 B  329  TRP LEU CYS SER LEU GLN GLU LYS PHE SER GLN THR ASP          
SEQRES   9 B  329  ILE LEU ILE LEU MET THR ALA ALA ILE CYS HIS ASP LEU          
SEQRES  10 B  329  ASP HIS PRO GLY TYR ASN ASN THR TYR GLN ILE ASN ALA          
SEQRES  11 B  329  ARG THR GLU LEU ALA VAL ARG TYR ASN ASP ILE SER PRO          
SEQRES  12 B  329  LEU GLU ASN HIS HIS CYS ALA VAL ALA PHE GLN ILE LEU          
SEQRES  13 B  329  ALA GLU PRO GLU CYS ASN ILE PHE SER ASN ILE PRO PRO          
SEQRES  14 B  329  ASP GLY PHE LYS GLN ILE ARG GLN GLY MET ILE THR LEU          
SEQRES  15 B  329  ILE LEU ALA THR ASP MET ALA ARG HIS ALA GLU ILE MET          
SEQRES  16 B  329  ASP SER PHE LYS GLU LYS MET GLU ASN PHE ASP TYR SER          
SEQRES  17 B  329  ASN GLU GLU HIS MET THR LEU LEU LYS MET ILE LEU ILE          
SEQRES  18 B  329  LYS CYS CYS ASP ILE SER ASN GLU VAL ARG PRO MET GLU          
SEQRES  19 B  329  VAL ALA GLU PRO TRP VAL ASP CYS LEU LEU GLU GLU TYR          
SEQRES  20 B  329  PHE MET GLN SER ASP ARG GLU LYS SER GLU GLY LEU PRO          
SEQRES  21 B  329  VAL ALA PRO PHE MET ASP ARG ASP LYS VAL THR LYS ALA          
SEQRES  22 B  329  THR ALA GLN ILE GLY PHE ILE LYS PHE VAL LEU ILE PRO          
SEQRES  23 B  329  MET PHE GLU THR VAL THR LYS LEU PHE PRO MET VAL GLU          
SEQRES  24 B  329  GLU ILE MET LEU GLN PRO LEU TRP GLU SER ARG ASP ARG          
SEQRES  25 B  329  TYR GLU GLU LEU LYS ARG ILE ASP ASP ALA MET LYS GLU          
SEQRES  26 B  329  LEU GLN LYS LYS                                              
HET     ZN  A 901       1                                                       
HET     MG  A 902       1                                                       
HET    PCG  A 903      23                                                       
HET     ZN  B 901       1                                                       
HET     MG  B 902       1                                                       
HET    IBM  B 903      16                                                       
HET    PCG  B 900      23                                                       
HETNAM      ZN ZINC ION                                                         
HETNAM      MG MAGNESIUM ION                                                    
HETNAM     PCG CYCLIC GUANOSINE MONOPHOSPHATE                                   
HETNAM     IBM 3-ISOBUTYL-1-METHYLXANTHINE                                      
FORMUL   3   ZN    2(ZN 2+)                                                     
FORMUL   4   MG    2(MG 2+)                                                     
FORMUL   5  PCG    2(C10 H12 N5 O7 P)                                           
FORMUL   8  IBM    C10 H14 N4 O2                                                
FORMUL  10  HOH   *450(H2 O)                                                    
HELIX    1   1 SER A  189  LEU A  196  1                                   8    
HELIX    2   2 ASP A  202  TRP A  206  5                                   5    
HELIX    3   3 GLU A  207  LEU A  222  1                                  16    
HELIX    4   4 GLY A  223  SER A  229  1                                   7    
HELIX    5   5 ASN A  231  TYR A  246  1                                  16    
HELIX    6   6 ASN A  253  CYS A  271  1                                  19    
HELIX    7   7 SER A  272  PHE A  277  1                                   6    
HELIX    8   8 SER A  278  HIS A  292  1                                  15    
HELIX    9   9 ASN A  300  ARG A  308  1                                   9    
HELIX   10  10 THR A  309  ASN A  316  1                                   8    
HELIX   11  11 SER A  319  ALA A  334  1                                  16    
HELIX   12  12 GLU A  335  ASN A  339  5                                   5    
HELIX   13  13 PRO A  345  THR A  363  1                                  19    
HELIX   14  14 ASP A  364  ALA A  366  5                                   3    
HELIX   15  15 ARG A  367  GLU A  380  1                                  14    
HELIX   16  16 ASN A  386  ILE A  403  1                                  18    
HELIX   17  17 SER A  404  ARG A  408  5                                   5    
HELIX   18  18 PRO A  409  GLY A  435  1                                  27    
HELIX   19  19 ALA A  439  ASP A  443  5                                   5    
HELIX   20  20 THR A  448  VAL A  460  1                                  13    
HELIX   21  21 VAL A  460  PHE A  472  1                                  13    
HELIX   22  22 MET A  474  GLU A  502  1                                  29    
HELIX   23  23 SER B  189  LEU B  196  1                                   8    
HELIX   24  24 ASP B  202  TRP B  206  5                                   5    
HELIX   25  25 GLU B  207  LEU B  222  1                                  16    
HELIX   26  26 GLY B  223  SER B  229  1                                   7    
HELIX   27  27 ASN B  231  TYR B  246  1                                  16    
HELIX   28  28 ASN B  253  CYS B  271  1                                  19    
HELIX   29  29 SER B  272  PHE B  277  1                                   6    
HELIX   30  30 SER B  278  HIS B  292  1                                  15    
HELIX   31  31 ASN B  300  ALA B  307  1                                   8    
HELIX   32  32 THR B  309  ASN B  316  1                                   8    
HELIX   33  33 SER B  319  GLU B  335  1                                  17    
HELIX   34  34 PRO B  336  ASN B  339  5                                   4    
HELIX   35  35 PRO B  345  ALA B  362  1                                  18    
HELIX   36  36 THR B  363  ALA B  366  5                                   4    
HELIX   37  37 ARG B  367  MET B  379  1                                  13    
HELIX   38  38 GLU B  380  PHE B  382  5                                   3    
HELIX   39  39 ASN B  386  ILE B  403  1                                  18    
HELIX   40  40 SER B  404  ARG B  408  5                                   5    
HELIX   41  41 PRO B  409  GLY B  435  1                                  27    
HELIX   42  42 ALA B  439  ASP B  443  5                                   5    
HELIX   43  43 THR B  448  VAL B  460  1                                  13    
HELIX   44  44 VAL B  460  PHE B  472  1                                  13    
HELIX   45  45 MET B  474  MET B  479  1                                   6    
HELIX   46  46 MET B  479  LEU B  503  1                                  25    
LINK         NE2 HIS A 256                ZN    ZN A 901     1555   1555  2.14  
LINK         NE2 HIS A 292                ZN    ZN A 901     1555   1555  2.15  
LINK         OD2 ASP A 293                ZN    ZN A 901     1555   1555  2.04  
LINK         OD1 ASP A 293                MG    MG A 902     1555   1555  2.30  
LINK         OD1 ASP A 402                ZN    ZN A 901     1555   1555  2.11  
LINK        ZN    ZN A 901                 O   HOH A1000     1555   1555  2.26  
LINK        ZN    ZN A 901                 O   HOH A1001     1555   1555  2.13  
LINK        MG    MG A 902                 O   HOH A1000     1555   1555  2.34  
LINK        MG    MG A 902                 O   HOH A1002     1555   1555  2.27  
LINK        MG    MG A 902                 O   HOH A1003     1555   1555  2.17  
LINK        MG    MG A 902                 O   HOH A1004     1555   1555  2.45  
LINK         NE2 HIS B 256                ZN    ZN B 901     1555   1555  2.12  
LINK         NE2 HIS B 292                ZN    ZN B 901     1555   1555  2.20  
LINK         OD2 ASP B 293                ZN    ZN B 901     1555   1555  2.12  
LINK         OD1 ASP B 293                MG    MG B 902     1555   1555  2.31  
LINK         OD1 ASP B 402                ZN    ZN B 901     1555   1555  2.10  
LINK         O2A PCG B 900                MG    MG B 902     1555   1555  2.37  
LINK        ZN    ZN B 901                 O   HOH B 904     1555   1555  2.37  
LINK        MG    MG B 902                 O   HOH B 904     1555   1555  2.37  
LINK        MG    MG B 902                 O   HOH B 905     1555   1555  2.31  
LINK        MG    MG B 902                 O   HOH B 906     1555   1555  2.37  
LINK        MG    MG B 902                 O   HOH B 907     1555   1555  2.31  
SITE     1 AC1  6 HIS A 256  HIS A 292  ASP A 293  ASP A 402                    
SITE     2 AC1  6 HOH A1000  HOH A1001                                          
SITE     1 AC2  5 ASP A 293  HOH A1000  HOH A1002  HOH A1003                    
SITE     2 AC2  5 HOH A1004                                                     
SITE     1 AC3  5 HIS B 256  HIS B 292  ASP B 293  ASP B 402                    
SITE     2 AC3  5 HOH B 904                                                     
SITE     1 AC4  5 ASP B 293  HOH B 904  HOH B 905  HOH B 906                    
SITE     2 AC4  5 HOH B 907                                                     
SITE     1 AC5 17 HIS A 252  MET A 365  ILE A 403  LEU A 420                    
SITE     2 AC5 17 TYR A 424  ALA A 452  GLN A 453  PHE A 456                    
SITE     3 AC5 17 HOH A1000  HOH A1001  HOH A1017  HOH A1050                    
SITE     4 AC5 17 HOH A1064  HOH A1070  HOH A1112  HOH A1133                    
SITE     5 AC5 17 HOH A1196                                                     
SITE     1 AC6  7 ALA A 499  LEU A 503  LEU B 420  TYR B 424                    
SITE     2 AC6  7 ALA B 452  GLN B 453  PHE B 456                               
SITE     1 AC7 18 HIS B 252  HIS B 256  ASP B 293  MET B 365                    
SITE     2 AC7 18 ASP B 402  ILE B 403  LEU B 420  TYR B 424                    
SITE     3 AC7 18 ALA B 452  GLN B 453  PHE B 456  HOH B 904                    
SITE     4 AC7 18 HOH B 905  HOH B 913  HOH B 918  HOH B 933                    
SITE     5 AC7 18 HOH B 946  HOH B 994                                          
CRYST1  103.857  103.857  270.118  90.00  90.00  90.00 P 41 21 2    16          
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      0.009629  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.009629  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.003702        0.00000