HEADER    HYDROLASE                               14-JUL-08   3DT9              
TITLE     CRYSTAL STRUCTURE OF BOVIN BRAIN PLATELET ACTIVATING FACTOR           
TITLE    2 ACETYLHYDROLASE COVALENTLY INHIBITED BY SOMAN                        
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: BRAIN PLATELET-ACTIVATING FACTOR ACETYLHYDROLASE IB SUBUNIT
COMPND   3 ALPHA;                                                               
COMPND   4 CHAIN: A;                                                            
COMPND   5 SYNONYM: PAF ACETYLHYDROLASE 29 KDA SUBUNIT, PAF-AH 29 KDA SUBUNIT,  
COMPND   6 PAF-AH SUBUNIT ALPHA, PAFAH SUBUNIT ALPHA;                           
COMPND   7 EC: 3.1.1.47;                                                        
COMPND   8 ENGINEERED: YES;                                                     
COMPND   9 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: BOS TAURUS;                                     
SOURCE   3 ORGANISM_COMMON: BOVINE,COW,DOMESTIC CATTLE,DOMESTIC COW;            
SOURCE   4 ORGANISM_TAXID: 9913;                                                
SOURCE   5 ORGAN: BRAIN;                                                        
SOURCE   6 GENE: PAFAH1B3, PAFAHG;                                              
SOURCE   7 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   8 EXPRESSION_SYSTEM_TAXID: 562                                         
KEYWDS    PLATELET ACTIVATING FACTOR ACETYLHYDROLASE, PAF-AH IB, ALPHA-1        
KEYWDS   2 SUBUNIT, LIS1, GROUP VIII PHOSPHOLIPASE A2, 26 KDA, SOMAN,           
KEYWDS   3 CYTOPLASM, HYDROLASE, LIPID DEGRADATION, PLATELET FACTOR             
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    T.M.EPSTEIN,U.SAMANTA,B.J.BAHNSON                                     
REVDAT   6   06-NOV-24 3DT9    1       REMARK                                   
REVDAT   5   30-AUG-23 3DT9    1       REMARK                                   
REVDAT   4   20-OCT-21 3DT9    1       REMARK SEQADV                            
REVDAT   3   24-JUL-19 3DT9    1       REMARK LINK                              
REVDAT   2   25-OCT-17 3DT9    1       REMARK                                   
REVDAT   1   12-MAY-09 3DT9    0                                                
JRNL        AUTH   T.M.EPSTEIN,U.SAMANTA,S.D.KIRBY,D.M.CERASOLI,B.J.BAHNSON     
JRNL        TITL   CRYSTAL STRUCTURES OF BRAIN GROUP-VIII PHOSPHOLIPASE A2 IN   
JRNL        TITL 2 NONAGED COMPLEXES WITH THE ORGANOPHOSPHORUS NERVE AGENTS     
JRNL        TITL 3 SOMAN AND SARIN.                                             
JRNL        REF    BIOCHEMISTRY                  V.  48  3425 2009              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   19271773                                                     
JRNL        DOI    10.1021/BI8023527                                            
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   Y.S.HO,L.SWENSON,U.DEREWENDA,L.SERRE,Y.WEI,Z.DAUTER,         
REMARK   1  AUTH 2 M.HATTORI,T.ADACHI,J.AOKI,H.ARAI,K.INOUE,Z.S.DEREWENDA       
REMARK   1  TITL   BRAIN ACETYLHYDROLASE THAT INACTIVATES PLATELET-ACTIVATING   
REMARK   1  TITL 2 FACTOR IS A G-PROTEIN-LIKE TRIMER                            
REMARK   1  REF    NATURE                        V. 385    89 1997              
REMARK   1  REFN                   ISSN 0028-0836                               
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.85 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC OF CCP4I FOR FINAL REFINEMENT                 
REMARK   3   AUTHORS     : NULL                                                 
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.85                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 30.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 1.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 92.8                           
REMARK   3   NUMBER OF REFLECTIONS             : 21324                          
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) : 0.211                           
REMARK   3   R VALUE            (WORKING SET) : 0.210                           
REMARK   3   FREE R VALUE                     : 0.228                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.100                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1157                            
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) : 1.85                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.90                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 1300                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 77.53                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2660                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 66                           
REMARK   3   BIN FREE R VALUE                    : 0.3130                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1665                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 10                                      
REMARK   3   SOLVENT ATOMS            : 80                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 21.54                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -0.23000                                             
REMARK   3    B22 (A**2) : -0.23000                                             
REMARK   3    B33 (A**2) : 0.34000                                              
REMARK   3    B12 (A**2) : -0.11000                                             
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): 0.142         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.126         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.074         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 2.347         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.936                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.924                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  1719 ; 0.013 ; 0.021       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  2342 ; 1.268 ; 1.947       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   209 ; 4.103 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):    82 ;35.379 ;23.049       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   269 ;14.351 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    14 ;19.434 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   259 ; 0.095 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  1320 ; 0.005 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):   825 ; 0.246 ; 0.200       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  1161 ; 0.313 ; 0.200       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):    86 ; 0.132 ; 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):    23 ; 0.191 ; 0.200       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):     5 ; 0.084 ; 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):  1084 ; 1.321 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  1696 ; 1.649 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):   710 ; 2.517 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):   646 ; 3.783 ; 4.500       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3 ANISOTROPIC THERMAL FACTOR RESTRAINTS.    COUNT   RMS   WEIGHT       
REMARK   3   RIGID-BOND RESTRAINTS          (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS STATISTICS                                           
REMARK   3   NUMBER OF DIFFERENT NCS GROUPS : NULL                              
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : 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: NULL                                      
REMARK   4                                                                      
REMARK   4 3DT9 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 18-JUL-08.                  
REMARK 100 THE DEPOSITION ID IS D_1000048459.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 05-SEP-03                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 6.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : ROTATING ANODE                     
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : RIGAKU RU300                       
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.54                               
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : OSMIC BLUE                         
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : RIGAKU                             
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 23397                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.850                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 70.530                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 1.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 96.6                               
REMARK 200  DATA REDUNDANCY                : 6.500                              
REMARK 200  R MERGE                    (I) : 0.07900                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 23.4400                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.85                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.92                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 88.9                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.80                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.45100                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.510                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: CNS, REFMAC OF CCP4I FOR FINAL REFINEMENT             
REMARK 200 STARTING MODEL: PDB ENTRY 1WAB                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 54.32                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.69                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: AMMONIUM SULFATE, SODIUM ACETATE, PH     
REMARK 280  6.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298K                
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 2 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z+1/3                                            
REMARK 290       3555   -X+Y,-X,Z+2/3                                           
REMARK 290       4555   Y,X,-Z                                                  
REMARK 290       5555   X-Y,-Y,-Z+2/3                                           
REMARK 290       6555   -X,-X+Y,-Z+1/3                                          
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 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       24.32300            
REMARK 290   SMTRY1   3 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   3 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       48.64600            
REMARK 290   SMTRY1   4 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   5  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   5  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000       48.64600            
REMARK 290   SMTRY1   6 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   6 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000       24.32300            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: 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 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465     MET A     1                                                      
REMARK 465     SER A     2                                                      
REMARK 465     GLY A     3                                                      
REMARK 465     ASP A     4                                                      
REMARK 465     THR A   217                                                      
REMARK 465     GLN A   218                                                      
REMARK 465     ASP A   219                                                      
REMARK 465     GLN A   220                                                      
REMARK 465     GLY A   221                                                      
REMARK 465     GLN A   222                                                      
REMARK 465     GLY A   223                                                      
REMARK 465     GLY A   224                                                      
REMARK 465     ALA A   225                                                      
REMARK 465     PRO A   226                                                      
REMARK 465     LEU A   227                                                      
REMARK 465     PRO A   228                                                      
REMARK 465     GLU A   229                                                      
REMARK 465     PRO A   230                                                      
REMARK 465     SER A   231                                                      
REMARK 465     PRO A   232                                                      
REMARK 470                                                                      
REMARK 470 MISSING ATOM                                                         
REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 470 I=INSERTION CODE):                                                   
REMARK 470   M RES CSSEQI  ATOMS                                                
REMARK 470     GLU A  56    CG   CD   OE1  OE2                                  
REMARK 470     ARG A  59    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     GLU A 150    CG   CD   OE1  OE2                                  
REMARK 470     GLU A 157    CG   CD   OE1  OE2                                  
REMARK 470     ARG A 198    CG   CD   NE   CZ   NH1  NH2                        
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    ASP A  46     -155.52    -97.58                                   
REMARK 500    HIS A  66       72.17     66.24                                   
REMARK 500    ARG A 168       20.49   -150.31                                   
REMARK 500    LEU A 194      -62.25   -145.46                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GD7 A 347                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1WAB   RELATED DB: PDB                                   
REMARK 900 SAME WILD TYPE PROTEIN                                               
REMARK 900 RELATED ID: 3DT6   RELATED DB: PDB                                   
REMARK 900 SAME PROTEIN COMPLEXED WITH PARAOXON                                 
REMARK 900 RELATED ID: 3DT8   RELATED DB: PDB                                   
REMARK 900 SAME PROTEIN COMPLEXED WITH SARIN                                    
DBREF  3DT9 A    1   232  UNP    Q29460   PA1B3_BOVIN      1    232             
SEQADV 3DT9 SER A   55  UNP  Q29460    CYS    55 ENGINEERED MUTATION            
SEQRES   1 A  232  MET SER GLY ASP GLU ASN PRO ALA SER LYS PRO THR PRO          
SEQRES   2 A  232  VAL GLN ASP VAL GLN GLY ASP GLY ARG TRP MET SER LEU          
SEQRES   3 A  232  HIS HIS ARG PHE VAL ALA ASP SER LYS ASP LYS GLU PRO          
SEQRES   4 A  232  GLU VAL VAL PHE ILE GLY ASP SER LEU VAL GLN LEU MET          
SEQRES   5 A  232  HIS GLN SER GLU ILE TRP ARG GLU LEU PHE SER PRO LEU          
SEQRES   6 A  232  HIS ALA LEU ASN PHE GLY ILE GLY GLY ASP SER THR GLN          
SEQRES   7 A  232  HIS VAL LEU TRP ARG LEU GLU ASN GLY GLU LEU GLU HIS          
SEQRES   8 A  232  ILE ARG PRO LYS ILE VAL VAL VAL TRP VAL GLY THR ASN          
SEQRES   9 A  232  ASN HIS GLY HIS THR ALA GLU GLN VAL THR GLY GLY ILE          
SEQRES  10 A  232  LYS ALA ILE VAL GLN LEU VAL ASN GLU ARG GLN PRO GLN          
SEQRES  11 A  232  ALA ARG VAL VAL VAL LEU GLY LEU LEU PRO ARG GLY GLN          
SEQRES  12 A  232  HIS PRO ASN PRO LEU ARG GLU LYS ASN ARG ARG VAL ASN          
SEQRES  13 A  232  GLU LEU VAL ARG ALA ALA LEU ALA GLY HIS PRO ARG ALA          
SEQRES  14 A  232  HIS PHE LEU ASP ALA ASP PRO GLY PHE VAL HIS SER ASP          
SEQRES  15 A  232  GLY THR ILE SER HIS HIS ASP MET TYR ASP TYR LEU HIS          
SEQRES  16 A  232  LEU SER ARG LEU GLY TYR THR PRO VAL CYS ARG ALA LEU          
SEQRES  17 A  232  HIS SER LEU LEU LEU ARG LEU LEU THR GLN ASP GLN GLY          
SEQRES  18 A  232  GLN GLY GLY ALA PRO LEU PRO GLU PRO SER PRO                  
HET    GD7  A 347      10                                                       
HETNAM     GD7 (1R)-1,2,2-TRIMETHYLPROPYL (R)-METHYLPHOSPHINATE                 
FORMUL   2  GD7    C7 H17 O2 P                                                  
FORMUL   3  HOH   *80(H2 O)                                                     
HELIX    1   1 ASN A    6  LYS A   10  5                                   5    
HELIX    2   2 GLY A   21  LYS A   37  1                                  17    
HELIX    3   3 ASP A   46  GLN A   54  1                                   9    
HELIX    4   4 SER A   55  PHE A   62  1                                   8    
HELIX    5   5 SER A   63  LEU A   65  5                                   3    
HELIX    6   6 SER A   76  ASN A   86  1                                  11    
HELIX    7   7 THR A  109  GLN A  128  1                                  20    
HELIX    8   8 ASN A  146  ALA A  164  1                                  19    
HELIX    9   9 SER A  197  LEU A  216  1                                  20    
SHEET    1   A 5 ALA A  67  GLY A  71  0                                        
SHEET    2   A 5 VAL A  41  GLY A  45  1  N  PHE A  43   O  PHE A  70           
SHEET    3   A 5 ILE A  96  TRP A 100  1  O  VAL A  98   N  VAL A  42           
SHEET    4   A 5 ARG A 132  LEU A 136  1  O  VAL A 134   N  VAL A  99           
SHEET    5   A 5 ALA A 169  LEU A 172  1  O  HIS A 170   N  VAL A 133           
LINK         OG  SER A  47                 P1  GD7 A 347     1555   1555  1.58  
SITE     1 AC1  7 ASP A  46  SER A  47  GLY A  73  GLY A  74                    
SITE     2 AC1  7 THR A 103  ASN A 104  HIS A 195                               
CRYST1   81.356   81.356   72.969  90.00  90.00 120.00 P 31 2 1      6          
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      0.012292  0.007097  0.000000        0.00000                         
SCALE2      0.000000  0.014193  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.013704        0.00000