HEADER    TRANSFERASE                             19-FEB-99   1B92              
TITLE     MOBILITY OF AN HIV-1 INTEGRASE ACTIVE SITE LOOP IS CORRELATED WITH    
TITLE    2 CATALYTIC ACTIVITY                                                   
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: PROTEIN (INTEGRASE);                                       
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: CATALYTIC CORE DOMAIN;                                     
COMPND   5 EC: 2.7.7.49;                                                        
COMPND   6 ENGINEERED: YES;                                                     
COMPND   7 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HUMAN IMMUNODEFICIENCY VIRUS;                   
SOURCE   3 ORGANISM_TAXID: 11676;                                               
SOURCE   4 STRAIN: 1;                                                           
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3);                       
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   7 EXPRESSION_SYSTEM_STRAIN: BL21;                                      
SOURCE   8 EXPRESSION_SYSTEM_VARIANT: DE3;                                      
SOURCE   9 EXPRESSION_SYSTEM_CELLULAR_LOCATION: CYTOPLASM;                      
SOURCE  10 EXPRESSION_SYSTEM_VECTOR: PET28                                      
KEYWDS    DNA INTEGRATION, TRANSFERASE                                          
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    J.GREENWALD,V.LE,S.L.BUTLER,F.D.BUSHMAN,S.CHOE                        
REVDAT   6   09-AUG-23 1B92    1       REMARK SEQADV                            
REVDAT   5   14-MAR-18 1B92    1       SEQADV                                   
REVDAT   4   13-JUL-11 1B92    1       VERSN                                    
REVDAT   3   24-FEB-09 1B92    1       VERSN                                    
REVDAT   2   01-MAY-00 1B92    1       DBREF  SEQADV REMARK                     
REVDAT   1   19-JUL-99 1B92    0                                                
JRNL        AUTH   J.GREENWALD,V.LE,S.L.BUTLER,F.D.BUSHMAN,S.CHOE               
JRNL        TITL   THE MOBILITY OF AN HIV-1 INTEGRASE ACTIVE SITE LOOP IS       
JRNL        TITL 2 CORRELATED WITH CATALYTIC ACTIVITY.                          
JRNL        REF    BIOCHEMISTRY                  V.  38  8892 1999              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   10413462                                                     
JRNL        DOI    10.1021/BI9907173                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.02 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC                                               
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.02                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 20.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 98.5                           
REMARK   3   NUMBER OF REFLECTIONS             : 12346                          
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) : NULL                            
REMARK   3   R VALUE            (WORKING SET) : 0.225                           
REMARK   3   FREE R VALUE                     : 0.289                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 654                             
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1092                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 13                                      
REMARK   3   SOLVENT ATOMS            : 100                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 29.50                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 39.20                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): NULL          
REMARK   3   ESU BASED ON FREE R VALUE                       (A): NULL          
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): NULL          
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 4.290         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   DISTANCE RESTRAINTS.                    RMS    SIGMA               
REMARK   3    BOND LENGTH                     (A) : 0.010 ; 0.020               
REMARK   3    ANGLE DISTANCE                  (A) : 0.028 ; 0.040               
REMARK   3    INTRAPLANAR 1-4 DISTANCE        (A) : 0.030 ; 0.050               
REMARK   3    H-BOND OR METAL COORDINATION    (A) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   PLANE RESTRAINT                  (A) : NULL  ; NULL                
REMARK   3   CHIRAL-CENTER RESTRAINT       (A**3) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   NON-BONDED CONTACT RESTRAINTS.                                     
REMARK   3    SINGLE TORSION                  (A) : NULL  ; NULL                
REMARK   3    MULTIPLE TORSION                (A) : NULL  ; NULL                
REMARK   3    H-BOND (X...Y)                  (A) : NULL  ; NULL                
REMARK   3    H-BOND (X-H...Y)                (A) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   CONFORMATIONAL TORSION ANGLE RESTRAINTS.                           
REMARK   3    SPECIFIED                 (DEGREES) : NULL  ; NULL                
REMARK   3    PLANAR                    (DEGREES) : NULL  ; NULL                
REMARK   3    STAGGERED                 (DEGREES) : NULL  ; NULL                
REMARK   3    TRANSVERSE                (DEGREES) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1B92 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 22-FEB-99.                  
REMARK 100 THE DEPOSITION ID IS D_1000000504.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : MAY-98                             
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          : MACSCIENCE                         
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : MACSCIENCE                         
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 13085                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.030                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 24.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 98.5                               
REMARK 200  DATA REDUNDANCY                : 4.600                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.03200                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 11.9000                            
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: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: CCP4                                                  
REMARK 200 STARTING MODEL: 1B9D                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 55.39                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.76                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PH 6.5                                   
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       21.86667            
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       43.73333            
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       43.73333            
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       21.86667            
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 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA,PQS                                              
REMARK 350 TOTAL BURIED SURFACE AREA: 4480 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 12940 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -34.0 KCAL/MOL                        
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   BIOMT1   2 -0.500000  0.866025  0.000000        0.00000            
REMARK 350   BIOMT2   2  0.866025  0.500000  0.000000        0.00000            
REMARK 350   BIOMT3   2  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    50                                                      
REMARK 465     HIS A    51                                                      
REMARK 465     GLY A    52                                                      
REMARK 465     GLN A    53                                                      
REMARK 465     VAL A    54                                                      
REMARK 465     ASP A    55                                                      
REMARK 465     ILE A   141                                                      
REMARK 465     PRO A   142                                                      
REMARK 465     TYR A   143                                                      
REMARK 465     ASN A   144                                                      
REMARK 465     PRO A   145                                                      
REMARK 465     GLN A   146                                                      
REMARK 465     SER A   147                                                      
REMARK 465     GLN A   148                                                      
REMARK 465     GLY A   190                                                      
REMARK 465     ILE A   191                                                      
REMARK 465     GLY A   192                                                      
REMARK 465     LYS A   211                                                      
REMARK 465     GLU A   212                                                      
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     CYS A  56    SG                                                  
REMARK 470     LYS A 111    CG   CD   CE   NZ                                   
REMARK 470     VAL A 150    CG1  CG2                                            
REMARK 470     SER A 153    OG                                                  
REMARK 470     LYS A 156    CG   CD   CE   NZ                                   
REMARK 470     ASP A 167    CG   OD1  OD2                                       
REMARK 470     GLU A 170    CG   CD   OE1  OE2                                  
REMARK 470     THR A 210    OG1  CG2                                            
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 107   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.1 DEGREES          
REMARK 500    ASN A 120   CA  -  CB  -  CG  ANGL. DEV. =  13.9 DEGREES          
REMARK 500    CYS A 130   CA  -  CB  -  SG  ANGL. DEV. = -11.2 DEGREES          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    LYS A 188       75.91   -117.15                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: MAIN CHAIN PLANARITY                                       
REMARK 500                                                                      
REMARK 500 THE FOLLOWING RESIDUES HAVE A PSEUDO PLANARITY                       
REMARK 500 TORSION ANGLE, C(I) - CA(I) - N(I+1) - O(I), GREATER                 
REMARK 500 10.0 DEGREES. (M=MODEL NUMBER; RES=RESIDUE NAME;                     
REMARK 500 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;                            
REMARK 500 I=INSERTION CODE).                                                   
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        ANGLE                                           
REMARK 500    GLU A 138        -10.53                                           
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 600                                                                      
REMARK 600 HETEROGEN                                                            
REMARK 600                                                                      
REMARK 600 THE CAC RESIDUE IS A MODIFIED CACODYLATE                             
REMARK 600 WHERE THE SULFUR OF A CYS RESIDUE HAS                                
REMARK 600 REPLACED THE OH OF CACODYLIC ACID.                                   
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                             CAC A 300  AS                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS A  65   SG                                                     
REMARK 620 2 CAC A 300   O1  117.0                                              
REMARK 620 3 CAC A 300   C1  107.9 120.9                                        
REMARK 620 4 CAC A 300   C2  105.3 112.8  88.6                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             CAC A 400  AS                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS A 130   SG                                                     
REMARK 620 2 CAC A 400   O1  102.1                                              
REMARK 620 3 CAC A 400   C1  105.4 118.5                                        
REMARK 620 4 CAC A 400   C2  110.7 126.3  92.6                                  
REMARK 620 N                    1     2     3                                   
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CAC A 300                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CAC A 400                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 1                   
REMARK 999                                                                      
REMARK 999 SEQUENCE                                                             
REMARK 999 PDB SEQUENCE IS SINGLE DOMAIN OF                                     
REMARK 999 POL_HV1N5 ENTRY.  THERE ARE ALSO TWO                                 
REMARK 999 POINT MUTATIONS OF F185K, G149A                                      
DBREF  1B92 A   50   212  UNP    P12497   POL_HV1N5      765    927             
SEQADV 1B92 ALA A  149  UNP  P12497    GLY   864 ENGINEERED MUTATION            
SEQADV 1B92 LYS A  185  UNP  P12497    PHE   900 ENGINEERED MUTATION            
SEQRES   1 A  163  MET HIS GLY GLN VAL ASP CYS SER PRO GLY ILE TRP GLN          
SEQRES   2 A  163  LEU ASP CYS THR HIS LEU GLU GLY LYS VAL ILE LEU VAL          
SEQRES   3 A  163  ALA VAL HIS VAL ALA SER GLY TYR ILE GLU ALA GLU VAL          
SEQRES   4 A  163  ILE PRO ALA GLU THR GLY GLN GLU THR ALA TYR PHE LEU          
SEQRES   5 A  163  LEU LYS LEU ALA GLY ARG TRP PRO VAL LYS THR VAL HIS          
SEQRES   6 A  163  THR ASP ASN GLY SER ASN PHE THR SER THR THR VAL LYS          
SEQRES   7 A  163  ALA ALA CYS TRP TRP ALA GLY ILE LYS GLN GLU PHE GLY          
SEQRES   8 A  163  ILE PRO TYR ASN PRO GLN SER GLN ALA VAL ILE GLU SER          
SEQRES   9 A  163  MET ASN LYS GLU LEU LYS LYS ILE ILE GLY GLN VAL ARG          
SEQRES  10 A  163  ASP GLN ALA GLU HIS LEU LYS THR ALA VAL GLN MET ALA          
SEQRES  11 A  163  VAL PHE ILE HIS ASN LYS LYS ARG LYS GLY GLY ILE GLY          
SEQRES  12 A  163  GLY TYR SER ALA GLY GLU ARG ILE VAL ASP ILE ILE ALA          
SEQRES  13 A  163  THR ASP ILE GLN THR LYS GLU                                  
HET    CAC  A 300       4                                                       
HET    CAC  A 400       4                                                       
HET    SO4  A   1       5                                                       
HETNAM     CAC CACODYLATE ION                                                   
HETNAM     SO4 SULFATE ION                                                      
HETSYN     CAC DIMETHYLARSINATE                                                 
FORMUL   2  CAC    2(C2 H6 AS O2 1-)                                            
FORMUL   4  SO4    O4 S 2-                                                      
FORMUL   5  HOH   *100(H2 O)                                                    
HELIX    1   1 GLY A   94  ARG A  107  1                                  14    
HELIX    2   2 GLY A  118  PHE A  121  5                                   4    
HELIX    3   3 THR A  124  ALA A  133  1                                  10    
HELIX    4   4 VAL A  150  GLN A  168  1                                  19    
HELIX    5   5 LEU A  172  LYS A  185  1                                  14    
HELIX    6   6 ALA A  196  ILE A  208  1                                  13    
SHEET    1   A 4 THR A 112  HIS A 114  0                                        
SHEET    2   A 4 ILE A  60  LEU A  68  1  N  TRP A  61   O  THR A 112           
SHEET    3   A 4 LYS A  71  HIS A  78 -1  N  VAL A  77   O  GLN A  62           
SHEET    4   A 4 TYR A  83  ILE A  89 -1  N  ILE A  89   O  VAL A  72           
LINK         SG  CYS A  65                AS   CAC A 300     1555   1555  2.28  
LINK         SG  CYS A 130                AS   CAC A 400     1555   1555  2.30  
SITE     1 AC1  6 CYS A  65  THR A  97  ASN A 120  HOH A 406                    
SITE     2 AC1  6 HOH A 407  HOH A 439                                          
SITE     1 AC2  6 PHE A 121  VAL A 126  CYS A 130  ILE A 135                    
SITE     2 AC2  6 LYS A 136  GLN A 137                                          
SITE     1 AC3  6 LYS A  71  ARG A 166  HIS A 171  LEU A 172                    
SITE     2 AC3  6 HOH A 452  HOH A 474                                          
CRYST1   72.260   72.260   65.600  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      0.013839  0.007990  0.000000        0.00000                         
SCALE2      0.000000  0.015980  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.015244        0.00000