HEADER    DNA BINDING PROTEIN                     21-DEC-99   1C6V              
TITLE     SIV INTEGRASE (CATALYTIC DOMAIN + DNA BIDING DOMAIN COMPRISING        
TITLE    2 RESIDUES 50-293) MUTANT WITH PHE 185 REPLACED BY HIS (F185H)         
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: PROTEIN (SIV INTEGRASE);                                   
COMPND   3 CHAIN: A, B, C, D;                                                   
COMPND   4 FRAGMENT: RESIDUES 813-976;                                          
COMPND   5 ENGINEERED: YES;                                                     
COMPND   6 MUTATION: YES;                                                       
COMPND   7 MOL_ID: 2;                                                           
COMPND   8 MOLECULE: PROTEIN (SIU89134);                                        
COMPND   9 CHAIN: X;                                                            
COMPND  10 FRAGMENT: RESIDUES 979-1059;                                         
COMPND  11 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: SIMIAN IMMUNODEFICIENCY VIRUS;                  
SOURCE   3 ORGANISM_TAXID: 11723;                                               
SOURCE   4 EXPRESSION_SYSTEM: ESCHERICHIA COLI K12;                             
SOURCE   5 EXPRESSION_SYSTEM_TAXID: 83333;                                      
SOURCE   6 EXPRESSION_SYSTEM_STRAIN: BL2;                                       
SOURCE   7 EXPRESSION_SYSTEM_VARIANT: DE3;                                      
SOURCE   8 EXPRESSION_SYSTEM_PLASMID: PET15B;                                   
SOURCE   9 MOL_ID: 2;                                                           
SOURCE  10 ORGANISM_SCIENTIFIC: SIMIAN IMMUNODEFICIENCY VIRUS;                  
SOURCE  11 ORGANISM_TAXID: 11723;                                               
SOURCE  12 EXPRESSION_SYSTEM: ESCHERICHIA COLI K12;                             
SOURCE  13 EXPRESSION_SYSTEM_TAXID: 83333;                                      
SOURCE  14 EXPRESSION_SYSTEM_STRAIN: BL2;                                       
SOURCE  15 EXPRESSION_SYSTEM_VARIANT: DE3;                                      
SOURCE  16 EXPRESSION_SYSTEM_PLASMID: PET15B                                    
KEYWDS    DNA INTEGRATION, DNA BINDING PROTEIN                                  
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    Z.CHEN,Y.YAN,S.MUNSHI,Y.LI,J.ZRUYGAY-MURPHY,B.XU,M.WITMER,P.FELOCK,   
AUTHOR   2 A.WOLFE,V.SARDANA,E.A.EMINI,D.HAZUDA,L.C.KUO                         
REVDAT   6   09-AUG-23 1C6V    1       SEQADV                                   
REVDAT   5   14-MAR-18 1C6V    1       SEQADV                                   
REVDAT   4   01-FEB-17 1C6V    1       AUTHOR VERSN                             
REVDAT   3   24-FEB-09 1C6V    1       VERSN                                    
REVDAT   2   01-APR-03 1C6V    1       JRNL                                     
REVDAT   1   27-DEC-00 1C6V    0                                                
JRNL        AUTH   Z.CHEN,Y.YAN,S.MUNSHI,Y.LI,J.ZUGAY-MURPHY,B.XU,M.WITMER,     
JRNL        AUTH 2 P.FELOCK,A.WOLFE,V.SARDANA,E.A.EMINI,D.HAZUDA,L.C.KUO        
JRNL        TITL   X-RAY STRUCTURE OF SIMIAN IMMUNODEFICIENCY VIRUS INTEGRASE   
JRNL        TITL 2 CONTAINING THE CORE AND C-TERMINAL DOMAIN (RESIDUES          
JRNL        TITL 3 50-293)--AN INITIAL GLANCE OF THE VIRAL DNA BINDING          
JRNL        TITL 4 PLATFORM.                                                    
JRNL        REF    J.MOL.BIOL.                   V. 296   521 2000              
JRNL        REFN                   ISSN 0022-2836                               
JRNL        PMID   10669606                                                     
JRNL        DOI    10.1006/JMBI.1999.3451                                       
REMARK   2                                                                      
REMARK   2 RESOLUTION.    3.00 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : X-PLOR                                               
REMARK   3   AUTHORS     : BRUNGER                                              
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 3.00                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 6.00                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 2.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 1000000.000                    
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : 0.1000                         
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : NULL                           
REMARK   3   NUMBER OF REFLECTIONS             : 15576                          
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) : 0.203                           
REMARK   3   FREE R VALUE                     : 0.362                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 10.000                          
REMARK   3   FREE R VALUE TEST SET COUNT      : 599                             
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) : 3.00                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 3.12                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 599                          
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2390                       
REMARK   3   BIN FREE R VALUE                    : 0.4730                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 55                           
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            : 4964                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 0                                       
REMARK   3   SOLVENT ATOMS            : 66                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : NULL                           
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) : 0.009                           
REMARK   3   BOND ANGLES            (DEGREES) : 2.100                           
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  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1C6V COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 12-JAN-00.                  
REMARK 100 THE DEPOSITION ID IS D_1000001408.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 15-FEB-99                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 5.7                                
REMARK 200  NUMBER OF CRYSTALS USED        : NULL                               
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : APS                                
REMARK 200  BEAMLINE                       : 17-ID                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.9817                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : MARRESEARCH                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 22129                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 3.000                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 100.000                            
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 3.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 92.5                               
REMARK 200  DATA REDUNDANCY                : 13.90                              
REMARK 200  R MERGE                    (I) : 0.11300                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : NULL                               
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 3.00                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 3.11                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 66.8                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.60800                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 1.500                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SIR + MOLECULAR              
REMARK 200  REPLACEMENT                                                         
REMARK 200 SOFTWARE USED: CCP4                                                  
REMARK 200 STARTING MODEL: PDB ENTRY 1ITG AND 1IHV                              
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 54.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.61                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1 M MES, PH=5.7, PEG6K 8%, 15%         
REMARK 280  DIOXANE, PH 5.7                                                     
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21                       
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X+1/2,-Y,Z+1/2                                         
REMARK 290       3555   -X,Y+1/2,-Z+1/2                                         
REMARK 290       4555   X+1/2,-Y+1/2,-Z                                         
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000       39.78500            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       75.25000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       50.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       75.25000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       39.78500            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       50.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
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 300 REMARK: THERE ARE FOUR CORE DOMAINS AND ONE DNA BINDING DOMAIN IN    
REMARK 300   THE ASYMMETRIC UNIT.  THE FOUR CORE DOMAINS ARE LABELLED A         
REMARK 300   A, B, C AND D.  THE DNA BINDING DOMAIN ARE LABELLED AS X.          
REMARK 300   THE MISSING RESIDUES ARE:                                          
REMARK 300   CORE DOMAIN A, A50-A54, A141-A151                                  
REMARK 300   CORE DOMAIN B; B50-B54, B141-B151, B208-B212.                      
REMARK 300   CORE DOMAIN C; C50-C54, C141-C150, C208-C212.                      
REMARK 300   CORE DOMAIN D; D50-D54, D141-D151, C208-C212.                      
REMARK 300   DNA BINDING DOMAIN; X214-X215 ,X230-232, X271-X292.                
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: PENTAMERIC                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D, X                         
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     ILE A    50                                                      
REMARK 465     HIS A    51                                                      
REMARK 465     GLY A    52                                                      
REMARK 465     GLN A    53                                                      
REMARK 465     VAL A    54                                                      
REMARK 465     VAL 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     VAL A   151                                                      
REMARK 465     ILE B    50                                                      
REMARK 465     HIS B    51                                                      
REMARK 465     GLY B    52                                                      
REMARK 465     GLN B    53                                                      
REMARK 465     VAL B    54                                                      
REMARK 465     VAL B   141                                                      
REMARK 465     PRO B   142                                                      
REMARK 465     TYR B   143                                                      
REMARK 465     ASN B   144                                                      
REMARK 465     PRO B   145                                                      
REMARK 465     GLN B   146                                                      
REMARK 465     SER B   147                                                      
REMARK 465     GLN B   148                                                      
REMARK 465     GLY B   149                                                      
REMARK 465     VAL B   150                                                      
REMARK 465     VAL B   151                                                      
REMARK 465     GLN B   208                                                      
REMARK 465     GLU B   209                                                      
REMARK 465     ILE B   210                                                      
REMARK 465     GLN B   211                                                      
REMARK 465     PHE B   212                                                      
REMARK 465     GLN B   213                                                      
REMARK 465     ILE C    50                                                      
REMARK 465     HIS C    51                                                      
REMARK 465     GLY C    52                                                      
REMARK 465     GLN C    53                                                      
REMARK 465     VAL C    54                                                      
REMARK 465     VAL C   141                                                      
REMARK 465     PRO C   142                                                      
REMARK 465     TYR C   143                                                      
REMARK 465     ASN C   144                                                      
REMARK 465     PRO C   145                                                      
REMARK 465     GLN C   146                                                      
REMARK 465     SER C   147                                                      
REMARK 465     GLN C   148                                                      
REMARK 465     GLY C   149                                                      
REMARK 465     VAL C   150                                                      
REMARK 465     GLN C   208                                                      
REMARK 465     GLU C   209                                                      
REMARK 465     ILE C   210                                                      
REMARK 465     GLN C   211                                                      
REMARK 465     PHE C   212                                                      
REMARK 465     GLN C   213                                                      
REMARK 465     ILE D    50                                                      
REMARK 465     HIS D    51                                                      
REMARK 465     GLY D    52                                                      
REMARK 465     GLN D    53                                                      
REMARK 465     VAL D    54                                                      
REMARK 465     VAL D   141                                                      
REMARK 465     PRO D   142                                                      
REMARK 465     TYR D   143                                                      
REMARK 465     ASN D   144                                                      
REMARK 465     PRO D   145                                                      
REMARK 465     GLN D   146                                                      
REMARK 465     SER D   147                                                      
REMARK 465     GLN D   148                                                      
REMARK 465     GLY D   149                                                      
REMARK 465     VAL D   150                                                      
REMARK 465     VAL D   151                                                      
REMARK 465     GLN D   208                                                      
REMARK 465     GLU D   209                                                      
REMARK 465     ILE D   210                                                      
REMARK 465     GLN D   211                                                      
REMARK 465     PHE D   212                                                      
REMARK 465     GLN D   213                                                      
REMARK 465     GLN X   213                                                      
REMARK 465     GLN X   214                                                      
REMARK 465     SER X   215                                                      
REMARK 465     TYR X   271                                                      
REMARK 465     GLY X   272                                                      
REMARK 465     GLY X   273                                                      
REMARK 465     GLY X   274                                                      
REMARK 465     LYS X   275                                                      
REMARK 465     GLU X   276                                                      
REMARK 465     VAL X   277                                                      
REMARK 465     ASP X   278                                                      
REMARK 465     SER X   279                                                      
REMARK 465     SER X   280                                                      
REMARK 465     SER X   281                                                      
REMARK 465     HIS X   282                                                      
REMARK 465     MET X   283                                                      
REMARK 465     GLU X   284                                                      
REMARK 465     ASP X   285                                                      
REMARK 465     THR X   286                                                      
REMARK 465     GLY X   287                                                      
REMARK 465     GLU X   288                                                      
REMARK 465     ALA X   289                                                      
REMARK 465     ARG X   290                                                      
REMARK 465     GLU X   291                                                      
REMARK 465     VAL X   292                                                      
REMARK 465     ALA X   293                                                      
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     ASN B  55    CG   OD1  ND2                                       
REMARK 470     ASN C  55    CG   OD1  ND2                                       
REMARK 470     ASN D  55    CG   OD1  ND2                                       
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    GLY C 190   N   -  CA  -  C   ANGL. DEV. = -16.3 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    SER A  56       30.63    -75.03                                   
REMARK 500    VAL A  79      -34.37    -27.03                                   
REMARK 500    SER A  81     -118.50   -136.67                                   
REMARK 500    PHE A  83       98.32    -64.52                                   
REMARK 500    PRO A  90       -7.86    -50.05                                   
REMARK 500    ARG A 107      -27.68   -166.42                                   
REMARK 500    THR A 111      -20.00   -143.52                                   
REMARK 500    ASN A 117       86.59    -19.86                                   
REMARK 500    ASN A 120      -74.99    -72.20                                   
REMARK 500    PHE A 121       29.18    -77.33                                   
REMARK 500    ALA A 153      -80.81    176.32                                   
REMARK 500    MET A 154       39.08    -87.49                                   
REMARK 500    ASN A 155      -14.85   -157.31                                   
REMARK 500    ASN A 160      -72.27    -62.20                                   
REMARK 500    ARG A 164       40.97    -93.19                                   
REMARK 500    ILE A 165      -35.60   -163.70                                   
REMARK 500    ARG A 166      -31.43    -26.28                                   
REMARK 500    ASP A 193       39.01    -67.31                                   
REMARK 500    GLU A 209       -3.18    -55.04                                   
REMARK 500    GLN A 211      170.86     61.81                                   
REMARK 500    SER B  56     -158.63    -83.37                                   
REMARK 500    LEU B  58      -41.02    -28.29                                   
REMARK 500    GLU B  69       -3.41     68.95                                   
REMARK 500    HIS B  78       92.84    -69.38                                   
REMARK 500    VAL B  79      -52.32    -28.54                                   
REMARK 500    PHE B  83      154.51    -47.27                                   
REMARK 500    VAL B  88       60.64   -103.99                                   
REMARK 500    ASN B 117       36.26    -89.02                                   
REMARK 500    ALA B 119       24.23    -65.65                                   
REMARK 500    ALA B 122       37.59    -77.27                                   
REMARK 500    GLU B 136     -122.47   -139.24                                   
REMARK 500    HIS B 137      120.64    179.12                                   
REMARK 500    PHE B 139       86.30    -37.47                                   
REMARK 500    ARG B 166        6.01    -51.74                                   
REMARK 500    ARG B 187      -13.98    -17.71                                   
REMARK 500    ILE B 191      114.58   -174.81                                   
REMARK 500    MET B 194      117.68    -11.93                                   
REMARK 500    THR B 206       27.87    -67.90                                   
REMARK 500    ASP C  57       21.76   -154.22                                   
REMARK 500    LEU C  58      -30.64   -137.79                                   
REMARK 500    VAL C  79      -77.68    -31.41                                   
REMARK 500    ALA C  80        8.33    -60.54                                   
REMARK 500    SER C  81       -9.26   -140.45                                   
REMARK 500    GLU C  85      112.65   -160.55                                   
REMARK 500    PRO C  90      -81.29    -43.12                                   
REMARK 500    ARG C 107      -46.87   -161.30                                   
REMARK 500    PRO C 109       68.55    -66.49                                   
REMARK 500    THR C 111      -76.30    -81.24                                   
REMARK 500    SER C 123      105.12    -43.55                                   
REMARK 500    ILE C 135     -149.69    -84.33                                   
REMARK 500                                                                      
REMARK 500 THIS ENTRY HAS      86 RAMACHANDRAN OUTLIERS.                        
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
DBREF  1C6V A   50   213  UNP    Q88016   Q88016_SIVCZ   813    976             
DBREF  1C6V B   50   213  UNP    Q88016   Q88016_SIVCZ   813    976             
DBREF  1C6V C   50   213  UNP    Q88016   Q88016_SIVCZ   813    976             
DBREF  1C6V D   50   213  UNP    Q88016   Q88016_SIVCZ   813    976             
DBREF  1C6V X  213   293  UNP    Q87706   Q87706_SIVCZ   979   1059             
SEQADV 1C6V HIS A  185  UNP  Q88016    PHE   948 ENGINEERED MUTATION            
SEQADV 1C6V HIS B  185  UNP  Q88016    PHE   948 ENGINEERED MUTATION            
SEQADV 1C6V HIS C  185  UNP  Q88016    PHE   948 ENGINEERED MUTATION            
SEQADV 1C6V HIS D  185  UNP  Q88016    PHE   948 ENGINEERED MUTATION            
SEQADV 1C6V LEU X  250  UNP  Q87706    ILE  1016 CONFLICT                       
SEQRES   1 A  164  ILE HIS GLY GLN VAL ASN SER ASP LEU GLY THR TRP GLN          
SEQRES   2 A  164  MET ASP CYS THR HIS LEU GLU GLY LYS ILE VAL ILE VAL          
SEQRES   3 A  164  ALA VAL HIS VAL ALA SER GLY PHE ILE GLU ALA GLU VAL          
SEQRES   4 A  164  ILE PRO GLN GLU THR GLY ARG GLN THR ALA LEU PHE LEU          
SEQRES   5 A  164  LEU LYS LEU ALA GLY ARG TRP PRO ILE THR HIS LEU HIS          
SEQRES   6 A  164  THR ASP ASN GLY ALA ASN PHE ALA SER GLN GLU VAL LYS          
SEQRES   7 A  164  MET VAL ALA TRP TRP ALA GLY ILE GLU HIS THR PHE GLY          
SEQRES   8 A  164  VAL PRO TYR ASN PRO GLN SER GLN GLY VAL VAL GLU ALA          
SEQRES   9 A  164  MET ASN HIS HIS LEU LYS ASN GLN ILE ASP ARG ILE ARG          
SEQRES  10 A  164  GLU GLN ALA ASN SER VAL GLU THR ILE VAL LEU MET ALA          
SEQRES  11 A  164  VAL HIS CYS MET ASN HIS LYS ARG ARG GLY GLY ILE GLY          
SEQRES  12 A  164  ASP MET THR PRO ALA GLU ARG LEU ILE ASN MET ILE THR          
SEQRES  13 A  164  THR GLU GLN GLU ILE GLN PHE GLN                              
SEQRES   1 B  164  ILE HIS GLY GLN VAL ASN SER ASP LEU GLY THR TRP GLN          
SEQRES   2 B  164  MET ASP CYS THR HIS LEU GLU GLY LYS ILE VAL ILE VAL          
SEQRES   3 B  164  ALA VAL HIS VAL ALA SER GLY PHE ILE GLU ALA GLU VAL          
SEQRES   4 B  164  ILE PRO GLN GLU THR GLY ARG GLN THR ALA LEU PHE LEU          
SEQRES   5 B  164  LEU LYS LEU ALA GLY ARG TRP PRO ILE THR HIS LEU HIS          
SEQRES   6 B  164  THR ASP ASN GLY ALA ASN PHE ALA SER GLN GLU VAL LYS          
SEQRES   7 B  164  MET VAL ALA TRP TRP ALA GLY ILE GLU HIS THR PHE GLY          
SEQRES   8 B  164  VAL PRO TYR ASN PRO GLN SER GLN GLY VAL VAL GLU ALA          
SEQRES   9 B  164  MET ASN HIS HIS LEU LYS ASN GLN ILE ASP ARG ILE ARG          
SEQRES  10 B  164  GLU GLN ALA ASN SER VAL GLU THR ILE VAL LEU MET ALA          
SEQRES  11 B  164  VAL HIS CYS MET ASN HIS LYS ARG ARG GLY GLY ILE GLY          
SEQRES  12 B  164  ASP MET THR PRO ALA GLU ARG LEU ILE ASN MET ILE THR          
SEQRES  13 B  164  THR GLU GLN GLU ILE GLN PHE GLN                              
SEQRES   1 C  164  ILE HIS GLY GLN VAL ASN SER ASP LEU GLY THR TRP GLN          
SEQRES   2 C  164  MET ASP CYS THR HIS LEU GLU GLY LYS ILE VAL ILE VAL          
SEQRES   3 C  164  ALA VAL HIS VAL ALA SER GLY PHE ILE GLU ALA GLU VAL          
SEQRES   4 C  164  ILE PRO GLN GLU THR GLY ARG GLN THR ALA LEU PHE LEU          
SEQRES   5 C  164  LEU LYS LEU ALA GLY ARG TRP PRO ILE THR HIS LEU HIS          
SEQRES   6 C  164  THR ASP ASN GLY ALA ASN PHE ALA SER GLN GLU VAL LYS          
SEQRES   7 C  164  MET VAL ALA TRP TRP ALA GLY ILE GLU HIS THR PHE GLY          
SEQRES   8 C  164  VAL PRO TYR ASN PRO GLN SER GLN GLY VAL VAL GLU ALA          
SEQRES   9 C  164  MET ASN HIS HIS LEU LYS ASN GLN ILE ASP ARG ILE ARG          
SEQRES  10 C  164  GLU GLN ALA ASN SER VAL GLU THR ILE VAL LEU MET ALA          
SEQRES  11 C  164  VAL HIS CYS MET ASN HIS LYS ARG ARG GLY GLY ILE GLY          
SEQRES  12 C  164  ASP MET THR PRO ALA GLU ARG LEU ILE ASN MET ILE THR          
SEQRES  13 C  164  THR GLU GLN GLU ILE GLN PHE GLN                              
SEQRES   1 D  164  ILE HIS GLY GLN VAL ASN SER ASP LEU GLY THR TRP GLN          
SEQRES   2 D  164  MET ASP CYS THR HIS LEU GLU GLY LYS ILE VAL ILE VAL          
SEQRES   3 D  164  ALA VAL HIS VAL ALA SER GLY PHE ILE GLU ALA GLU VAL          
SEQRES   4 D  164  ILE PRO GLN GLU THR GLY ARG GLN THR ALA LEU PHE LEU          
SEQRES   5 D  164  LEU LYS LEU ALA GLY ARG TRP PRO ILE THR HIS LEU HIS          
SEQRES   6 D  164  THR ASP ASN GLY ALA ASN PHE ALA SER GLN GLU VAL LYS          
SEQRES   7 D  164  MET VAL ALA TRP TRP ALA GLY ILE GLU HIS THR PHE GLY          
SEQRES   8 D  164  VAL PRO TYR ASN PRO GLN SER GLN GLY VAL VAL GLU ALA          
SEQRES   9 D  164  MET ASN HIS HIS LEU LYS ASN GLN ILE ASP ARG ILE ARG          
SEQRES  10 D  164  GLU GLN ALA ASN SER VAL GLU THR ILE VAL LEU MET ALA          
SEQRES  11 D  164  VAL HIS CYS MET ASN HIS LYS ARG ARG GLY GLY ILE GLY          
SEQRES  12 D  164  ASP MET THR PRO ALA GLU ARG LEU ILE ASN MET ILE THR          
SEQRES  13 D  164  THR GLU GLN GLU ILE GLN PHE GLN                              
SEQRES   1 X   81  GLN GLN SER LYS ASN SER LYS PHE LYS ASN PHE ARG VAL          
SEQRES   2 X   81  TYR TYR ARG GLU GLY ARG ASP GLN LEU TRP LYS GLY PRO          
SEQRES   3 X   81  GLY GLU LEU LEU TRP LYS GLY GLU GLY ALA VAL LEU LEU          
SEQRES   4 X   81  LYS VAL GLY THR ASP ILE LYS VAL VAL PRO ARG ARG LYS          
SEQRES   5 X   81  ALA LYS ILE ILE LYS ASP TYR GLY GLY GLY LYS GLU VAL          
SEQRES   6 X   81  ASP SER SER SER HIS MET GLU ASP THR GLY GLU ALA ARG          
SEQRES   7 X   81  GLU VAL ALA                                                  
FORMUL   6  HOH   *66(H2 O)                                                     
HELIX    1   1 THR A   93  GLY A  106  1                                  14    
HELIX    2   2 GLN A  124  GLY A  134  1                                  11    
HELIX    3   3 HIS A  156  ARG A  164  1                                   9    
HELIX    4   4 SER A  171  HIS A  185  1                                  15    
HELIX    5   5 THR A  195  GLU A  209  1                                  15    
HELIX    6   6 THR B   93  GLY B  106  1                                  14    
HELIX    7   7 SER B  123  GLY B  134  1                                  12    
HELIX    8   8 GLU B  152  ARG B  166  1                                  15    
HELIX    9   9 SER B  171  ASN B  184  1                                  14    
HELIX   10  10 THR B  195  THR B  206  1                                  12    
HELIX   11  11 HIS C   78  GLY C   82  5                                   5    
HELIX   12  12 THR C   93  GLY C  106  1                                  14    
HELIX   13  13 SER C  123  GLY C  134  1                                  12    
HELIX   14  14 ALA C  153  ARG C  166  1                                  14    
HELIX   15  15 GLU C  167  ALA C  169  5                                   3    
HELIX   16  16 SER C  171  HIS C  185  1                                  15    
HELIX   17  17 THR C  195  THR C  205  1                                  11    
HELIX   18  18 THR D   93  GLY D  106  1                                  14    
HELIX   19  19 SER D  123  TRP D  131  1                                   9    
HELIX   20  20 MET D  154  ARG D  164  1                                  11    
HELIX   21  21 SER D  171  ASN D  184  1                                  14    
HELIX   22  22 THR D  195  GLU D  207  1                                  13    
HELIX   23  23 PRO X  261  ALA X  265  5                                   5    
SHEET    1   A 5 ILE A  84  VAL A  88  0                                        
SHEET    2   A 5 LYS A  71  VAL A  77 -1  N  ILE A  74   O  GLU A  87           
SHEET    3   A 5 THR A  60  LEU A  68 -1  O  GLN A  62   N  VAL A  77           
SHEET    4   A 5 HIS A 112  HIS A 114  1  O  HIS A 112   N  TRP A  61           
SHEET    5   A 5 GLU A 136  THR A 138  1  O  GLU A 136   N  LEU A 113           
SHEET    1   B 4 ILE B  84  GLU B  87  0                                        
SHEET    2   B 4 LYS B  71  HIS B  78 -1  O  ILE B  74   N  GLU B  87           
SHEET    3   B 4 TRP B  61  LEU B  68 -1  O  GLN B  62   N  VAL B  77           
SHEET    4   B 4 LEU B 113  THR B 115  1  N  HIS B 114   O  TRP B  61           
SHEET    1   C 3 GLN C  62  HIS C  67  0                                        
SHEET    2   C 3 ILE C  72  VAL C  77 -1  O  VAL C  73   N  THR C  66           
SHEET    3   C 3 ALA C  86  VAL C  88 -1  O  GLU C  87   N  ILE C  74           
SHEET    1   D 3 GLN D  62  LEU D  68  0                                        
SHEET    2   D 3 LYS D  71  HIS D  78 -1  O  LYS D  71   N  LEU D  68           
SHEET    3   D 3 PHE D  83  VAL D  88 -1  O  PHE D  83   N  HIS D  78           
SHEET    1   E 5 ASP X 256  VAL X 259  0                                        
SHEET    2   E 5 LEU X 250  VAL X 253 -1  O  LEU X 251   N  LYS X 258           
SHEET    3   E 5 GLY X 239  LEU X 241 -1  N  GLU X 240   O  LYS X 252           
SHEET    4   E 5 PHE X 223  VAL X 225 -1  O  PHE X 223   N  LEU X 241           
SHEET    5   E 5 ILE X 267  LYS X 269 -1  O  ILE X 268   N  ARG X 224           
CRYST1   79.570  100.000  150.500  90.00  90.00  90.00 P 21 21 21   16          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.012568  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.010000  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.006645        0.00000