PDB Short entry for 1BHL
HEADER    DNA INTEGRATION                         10-JUN-98   1BHL              
TITLE     CACODYLATED CATALYTIC DOMAIN OF HIV-1 INTEGRASE                       
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: HIV-1 INTEGRASE;                                           
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: CATALYTIC CORE DOMAIN, RESIDUES 50 - 212;                  
COMPND   5 EC: 2.7.7.49;                                                        
COMPND   6 ENGINEERED: YES;                                                     
COMPND   7 MUTATION: YES;                                                       
COMPND   8 OTHER_DETAILS: RESIDUES CAS 65 AND CAS 130 ARE CACODYLATED CYSTEINES 
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HUMAN IMMUNODEFICIENCY VIRUS 1;                 
SOURCE   3 ORGANISM_TAXID: 11676;                                               
SOURCE   4 CELL_LINE: BL21;                                                     
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3);                       
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   7 EXPRESSION_SYSTEM_STRAIN: BL21 (DE3);                                
SOURCE   8 EXPRESSION_SYSTEM_PLASMID: PET-15B;                                  
SOURCE   9 OTHER_DETAILS: EXPRESSION CLONE FOR CORE, REFER TO PNAS USA, VOL.    
SOURCE  10 90, PP. 3428-3432, APRIL 1993, AND PNAS USA 92, PP. 6057-6061, JUNE  
SOURCE  11 1995                                                                 
KEYWDS    DNA INTEGRATION, AIDS, POLYPROTEIN, HYDROLASE, ENDONUCLEASE,          
KEYWDS   2 POLYNUCLEOTIDYL TRANSFERASE, DNA BINDING (VIRAL)                     
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    S.MAIGNAN,J.P.GUILLOTEAU,Q.ZHOU-LIU,C.CLEMENT-MELLA,V.MIKOL           
REVDAT   5   03-NOV-21 1BHL    1       SEQADV LINK                              
REVDAT   4   13-JUL-11 1BHL    1       VERSN                                    
REVDAT   3   24-FEB-09 1BHL    1       VERSN                                    
REVDAT   2   28-OCT-98 1BHL    1       REMARK                                   
REVDAT   1   14-OCT-98 1BHL    0                                                
JRNL        AUTH   S.MAIGNAN,J.P.GUILLOTEAU,Q.ZHOU-LIU,C.CLEMENT-MELLA,V.MIKOL  
JRNL        TITL   CRYSTAL STRUCTURES OF THE CATALYTIC DOMAIN OF HIV-1          
JRNL        TITL 2 INTEGRASE FREE AND COMPLEXED WITH ITS METAL COFACTOR: HIGH   
JRNL        TITL 3 LEVEL OF SIMILARITY OF THE ACTIVE SITE WITH OTHER VIRAL      
JRNL        TITL 4 INTEGRASES.                                                  
JRNL        REF    J.MOL.BIOL.                   V. 282   359 1998              
JRNL        REFN                   ISSN 0022-2836                               
JRNL        PMID   9735293                                                      
JRNL        DOI    10.1006/JMBI.1998.2002                                       
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   F.DYDA,A.B.HICKMAN,T.M.JENKINS,A.ENGELMAN,R.CRAIGIE,         
REMARK   1  AUTH 2 D.R.DAVIES                                                   
REMARK   1  TITL   CRYSTAL STRUCTURE OF THE CATALYTIC DOMAIN OF HIV-1           
REMARK   1  TITL 2 INTEGRASE: SIMILARITY TO OTHER POLYNUCLEOTIDYL TRANSFERASES  
REMARK   1  REF    SCIENCE                       V. 266  1981 1994              
REMARK   1  REFN                   ISSN 0036-8075                               
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.20 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : X-PLOR 3.851                                         
REMARK   3   AUTHORS     : BRUNGER                                              
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.20                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 15.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 10000000.000                   
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : 0.0010                         
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 97.5                           
REMARK   3   NUMBER OF REFLECTIONS             : 10074                          
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 SET) : 0.224                           
REMARK   3   FREE R VALUE                     : 0.264                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 7.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 729                             
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : NULL                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 8                            
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.20                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.30                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 1079                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2024                       
REMARK   3   BIN FREE R VALUE                    : 0.2714                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 7.00                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 83                           
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : NULL                         
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1048                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 0                                       
REMARK   3   SOLVENT ATOMS            : 53                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 33.95                          
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 COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : NULL                            
REMARK   3   ESD FROM SIGMAA              (A) : NULL                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : NULL                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : NULL                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.012                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.500                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : NULL                            
REMARK   3   IMPROPER ANGLES        (DEGREES) : NULL                            
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : 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  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : PROTEIN_REP.PARAM                              
REMARK   3  PARAMETER FILE  2  : NULL                                           
REMARK   3  PARAMETER FILE  3  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : TOPHCSDX.PRO                                   
REMARK   3  TOPOLOGY FILE  2   : NULL                                           
REMARK   3  TOPOLOGY FILE  3   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1BHL COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL.                                
REMARK 100 THE DEPOSITION ID IS D_1000171766.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 21-AUG-96                          
REMARK 200  TEMPERATURE           (KELVIN) : 298                                
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          : ENRAF-NONIUS FR591                 
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : NI FILTER                          
REMARK 200  OPTICS                         : DOUBLE FOCUSING MIRRORS            
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   : 10359                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.200                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 15.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 98.5                               
REMARK 200  DATA REDUNDANCY                : 3.600                              
REMARK 200  R MERGE                    (I) : 0.04300                            
REMARK 200  R SYM                      (I) : 0.04300                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 8.0000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.20                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.25                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 93.7                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.50                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.15300                            
REMARK 200  R SYM FOR SHELL            (I) : 0.15300                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 7.300                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: NULL                                           
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: X-PLOR 3.851                                          
REMARK 200 STARTING MODEL: PDB ENTRY 1ITG                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 41.50                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.14                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 3-9% PEG 8000, 0.4M AMMONIUM SULFATE,    
REMARK 280  0.1M SODIUM CACODYLATE 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       21.93333            
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       43.86667            
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       43.86667            
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       21.93333            
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: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA,PQS                                              
REMARK 350 TOTAL BURIED SURFACE AREA: 2500 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 12980 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -17.0 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       21.93333            
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     GLU A   138                                                      
REMARK 465     PHE A   139                                                      
REMARK 465     GLY A   140                                                      
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   149                                                      
REMARK 465     VAL A   150                                                      
REMARK 465     ILE A   151                                                      
REMARK 465     GLU A   152                                                      
REMARK 465     SER A   153                                                      
REMARK 475                                                                      
REMARK 475 ZERO OCCUPANCY RESIDUES                                              
REMARK 475 THE FOLLOWING RESIDUES WERE MODELED WITH ZERO OCCUPANCY.             
REMARK 475 THE LOCATION AND PROPERTIES OF THESE RESIDUES MAY NOT                
REMARK 475 BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME;                      
REMARK 475 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE)          
REMARK 475   M RES C  SSEQI                                                     
REMARK 475     GLY A   189                                                      
REMARK 475     GLY A   190                                                      
REMARK 475     ILE A   191                                                      
REMARK 475     GLY A   192                                                      
REMARK 475     GLY A   193                                                      
REMARK 480                                                                      
REMARK 480 ZERO OCCUPANCY ATOM                                                  
REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO                  
REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS                
REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME;              
REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):         
REMARK 480   M RES C SSEQI ATOMS                                                
REMARK 480     LYS A   71   CG   CD   CE   NZ                                   
REMARK 480     GLN A   95   CG   CD   OE1  NE2                                  
REMARK 480     LYS A  111   CD   CE   NZ                                        
REMARK 480     ASN A  155   CG   OD1  ND2                                       
REMARK 480     LYS A  156   CG   CD   CE   NZ                                   
REMARK 480     GLU A  170   CB   CG   CD   OE1  OE2                             
REMARK 480     LYS A  186   CD   CE   NZ                                        
REMARK 480     ARG A  187   CG   CD   NE   CZ   NH1  NH2                        
REMARK 480     LYS A  188   CD   CE   NZ                                        
REMARK 480     TYR A  194   CG   CD1  CD2  CE1  CE2  CZ   OH                    
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   O    HOH A   209     O    HOH A   258              2.13            
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       -9.27    -57.97                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: ACT                                                 
REMARK 800 EVIDENCE_CODE: UNKNOWN                                               
REMARK 800 SITE_DESCRIPTION: ACTIVE SITE.                                       
DBREF  1BHL A   57   207  UNP    P12497   POL_HV1N5      772    922             
SEQADV 1BHL CAS A   65  UNP  P12497    CYS   780 MODIFIED RESIDUE               
SEQADV 1BHL CAS A  130  UNP  P12497    CYS   845 MODIFIED RESIDUE               
SEQADV 1BHL HIS A  185  UNP  P12497    PHE   900 ENGINEERED MUTATION            
SEQRES   1 A  151  SER PRO GLY ILE TRP GLN LEU ASP CAS THR HIS LEU GLU          
SEQRES   2 A  151  GLY LYS VAL ILE LEU VAL ALA VAL HIS VAL ALA SER GLY          
SEQRES   3 A  151  TYR ILE GLU ALA GLU VAL ILE PRO ALA GLU THR GLY GLN          
SEQRES   4 A  151  GLU THR ALA TYR PHE LEU LEU LYS LEU ALA GLY ARG TRP          
SEQRES   5 A  151  PRO VAL LYS THR VAL HIS THR ASP ASN GLY SER ASN PHE          
SEQRES   6 A  151  THR SER THR THR VAL LYS ALA ALA CAS TRP TRP ALA GLY          
SEQRES   7 A  151  ILE LYS GLN GLU PHE GLY ILE PRO TYR ASN PRO GLN SER          
SEQRES   8 A  151  GLN GLY VAL ILE GLU SER MET ASN LYS GLU LEU LYS LYS          
SEQRES   9 A  151  ILE ILE GLY GLN VAL ARG ASP GLN ALA GLU HIS LEU LYS          
SEQRES  10 A  151  THR ALA VAL GLN MET ALA VAL PHE ILE HIS ASN HIS LYS          
SEQRES  11 A  151  ARG LYS GLY GLY ILE GLY GLY TYR SER ALA GLY GLU ARG          
SEQRES  12 A  151  ILE VAL ASP ILE ILE ALA THR ASP                              
MODRES 1BHL CAS A   65  CYS  S-(DIMETHYLARSENIC)CYSTEINE                        
MODRES 1BHL CAS A  130  CYS  S-(DIMETHYLARSENIC)CYSTEINE                        
HET    CAS  A  65       9                                                       
HET    CAS  A 130       9                                                       
HETNAM     CAS S-(DIMETHYLARSENIC)CYSTEINE                                      
FORMUL   1  CAS    2(C5 H12 AS N O2 S)                                          
FORMUL   2  HOH   *53(H2 O)                                                     
HELIX    1   1 GLY A   94  ALA A  105  1                                  12    
HELIX    2   2 GLY A  118  PHE A  121  5                                   4    
HELIX    3   3 THR A  124  TRP A  132  1                                   9    
HELIX    4   4 ASN A  155  VAL A  165  1                                  11    
HELIX    5   5 LEU A  172  HIS A  185  1                                  14    
HELIX    6   6 ALA A  196  ALA A  205  1                                  10    
SHEET    1   A 4 THR A 112  HIS A 114  0                                        
SHEET    2   A 4 ILE A  60  ASP A  64  1  N  TRP A  61   O  THR A 112           
SHEET    3   A 4 VAL A  72  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         C   ASP A  64                 N   CAS A  65     1555   1555  1.32  
LINK         C   CAS A  65                 N   THR A  66     1555   1555  1.32  
LINK         C   ALA A 129                 N   CAS A 130     1555   1555  1.34  
LINK         C   CAS A 130                 N   TRP A 131     1555   1555  1.33  
SITE     1 ACT  2 ASP A  64  ASP A 116                                          
CRYST1   72.500   72.500   65.800  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      0.013793  0.007963  0.000000        0.00000                         
SCALE2      0.000000  0.015927  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.015198        0.00000