HEADER    HYDROLASE                               04-NOV-91   3PHV              
TITLE     X-RAY ANALYSIS OF HIV-1 PROTEINASE AT 2.7 ANGSTROMS RESOLUTION        
TITLE    2 CONFIRMS STRUCTURAL HOMOLOGY AMONG RETROVIRAL ENZYMES                
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: UNLIGANDED HIV-1 PROTEASE;                                 
COMPND   3 CHAIN: A;                                                            
COMPND   4 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HIV-1 M:B_HXB2R;                                
SOURCE   3 ORGANISM_TAXID: 11706;                                               
SOURCE   4 CELL_LINE: S2;                                                       
SOURCE   5 ORGAN: LEAVES;                                                       
SOURCE   6 GENE: POL;                                                           
SOURCE   7 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   8 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  10 EXPRESSION_SYSTEM_GENE: POL                                          
KEYWDS    HYDROLASE, ASPARTIC PROTEINASE                                        
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    R.LAPATTO,T.L.BLUNDELL,A.HEMMINGS,A.WILDERSPIN,S.P.WOOD,D.E.DANLEY,   
AUTHOR   2 K.F.GEOGHEGAN,S.J.HAWRYLIK,P.M.HOBART                                
REVDAT   7   21-FEB-24 3PHV    1       REMARK                                   
REVDAT   6   29-NOV-17 3PHV    1       HELIX                                    
REVDAT   5   29-FEB-12 3PHV    1       JRNL   HEADER                            
REVDAT   4   13-JUL-11 3PHV    1       VERSN                                    
REVDAT   3   24-FEB-09 3PHV    1       VERSN                                    
REVDAT   2   01-APR-03 3PHV    1       JRNL                                     
REVDAT   1   15-JAN-92 3PHV    0                                                
JRNL        AUTH   R.LAPATTO,T.BLUNDELL,A.HEMMINGS,J.OVERINGTON,A.WILDERSPIN,   
JRNL        AUTH 2 S.WOOD,J.R.MERSON,P.J.WHITTLE,D.E.DANLEY,K.F.GEOGHEGAN,      
JRNL        AUTH 3 S.J.HAWRYLIK,S.E.LEE,K.G.SCHELD,P.M.HOBART                   
JRNL        TITL   X-RAY ANALYSIS OF HIV-1 PROTEINASE AT 2.7 A RESOLUTION       
JRNL        TITL 2 CONFIRMS STRUCTURAL HOMOLOGY AMONG RETROVIRAL ENZYMES.       
JRNL        REF    NATURE                        V. 342   299 1989              
JRNL        REFN                   ISSN 0028-0836                               
JRNL        PMID   2682266                                                      
JRNL        DOI    10.1038/342299A0                                             
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   B.M.MCKEEVER,M.A.NAVIA,P.M.D.FITZGERALD,J.P.SPRINGER,        
REMARK   1  AUTH 2 C.-T.LEU,J.C.HEIMBACH,W.K.HERBER,I.S.SIGAL,P.L.DARKE         
REMARK   1  TITL   CRYSTALLIZATION OF THE ASPARTYL PROTEASE FROM THE HUMAN      
REMARK   1  TITL 2 IMMUNODEFICIENCY VIRUS, HIV-1                                
REMARK   1  REF    J.BIOL.CHEM.                  V. 264  1919 1989              
REMARK   1  REFN                   ISSN 0021-9258                               
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.70 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) : 2.70                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 10.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : NULL                           
REMARK   3   NUMBER OF REFLECTIONS             : 2370                           
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : NULL                            
REMARK   3   FREE R VALUE TEST SET SELECTION  : NULL                            
REMARK   3   R VALUE            (WORKING SET) : 0.191                           
REMARK   3   FREE R VALUE                     : NULL                            
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : NULL                            
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           : NULL                         
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : NULL                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : NULL                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : NULL                         
REMARK   3   BIN FREE R VALUE                    : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : NULL                         
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            : 758                                     
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 0                                       
REMARK   3   SOLVENT ATOMS            : 0                                       
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) : 0.017                           
REMARK   3   BOND ANGLES            (DEGREES) : NULL                            
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 3PHV 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_1000179107.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : NULL                               
REMARK 200  TEMPERATURE           (KELVIN) : NULL                               
REMARK 200  PH                             : NULL                               
REMARK 200  NUMBER OF CRYSTALS USED        : NULL                               
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : NULL                               
REMARK 200  RADIATION SOURCE               : NULL                               
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : NULL                               
REMARK 200  WAVELENGTH OR RANGE        (A) : NULL                               
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : NULL                               
REMARK 200  DETECTOR MANUFACTURER          : NULL                               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : NULL                               
REMARK 200  DATA SCALING SOFTWARE          : NULL                               
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : NULL                               
REMARK 200  RESOLUTION RANGE HIGH      (A) : NULL                               
REMARK 200  RESOLUTION RANGE LOW       (A) : NULL                               
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : NULL                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : NULL                               
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) : 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: NULL                                           
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL                         
REMARK 200 SOFTWARE USED: NULL                                                  
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 60.66                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.13                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: NULL                                     
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 41 21 2                        
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z+1/2                                             
REMARK 290       3555   -Y+1/2,X+1/2,Z+1/4                                      
REMARK 290       4555   Y+1/2,-X+1/2,Z+3/4                                      
REMARK 290       5555   -X+1/2,Y+1/2,-Z+1/4                                     
REMARK 290       6555   X+1/2,-Y+1/2,-Z+3/4                                     
REMARK 290       7555   Y,X,-Z                                                  
REMARK 290       8555   -Y,-X,-Z+1/2                                            
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       53.56000            
REMARK 290   SMTRY1   3  0.000000 -1.000000  0.000000       25.12000            
REMARK 290   SMTRY2   3  1.000000  0.000000  0.000000       25.12000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       26.78000            
REMARK 290   SMTRY1   4  0.000000  1.000000  0.000000       25.12000            
REMARK 290   SMTRY2   4 -1.000000  0.000000  0.000000       25.12000            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000       80.34000            
REMARK 290   SMTRY1   5 -1.000000  0.000000  0.000000       25.12000            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       25.12000            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000       26.78000            
REMARK 290   SMTRY1   6  1.000000  0.000000  0.000000       25.12000            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       25.12000            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000       80.34000            
REMARK 290   SMTRY1   7  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   7  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   8  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   8 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000       53.56000            
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: 2980 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 10330 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -18.0 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  0.000000 -1.000000  0.000000       50.24000            
REMARK 350   BIOMT2   2 -1.000000  0.000000  0.000000       50.24000            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000       53.56000            
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   ND2  ASN A    98     ND2  ASN A    98     8665     1.67            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500    PRO A   9   C   -  N   -  CD  ANGL. DEV. = -14.4 DEGREES          
REMARK 500    LYS A  14   N   -  CA  -  CB  ANGL. DEV. =  15.2 DEGREES          
REMARK 500    VAL A  32   CA  -  CB  -  CG2 ANGL. DEV. =  10.3 DEGREES          
REMARK 500    MET A  36   CG  -  SD  -  CE  ANGL. DEV. =  12.3 DEGREES          
REMARK 500    MET A  46   CG  -  SD  -  CE  ANGL. DEV. =  12.0 DEGREES          
REMARK 500    VAL A  56   CA  -  CB  -  CG2 ANGL. DEV. =  10.2 DEGREES          
REMARK 500    ASN A  98   N   -  CA  -  C   ANGL. DEV. =  18.2 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    LEU A   5       40.15   -109.63                                   
REMARK 500    ARG A   8      118.52    -11.73                                   
REMARK 500    GLU A  35       89.60    -62.07                                   
REMARK 500    ILE A  47     -165.51   -117.90                                   
REMARK 500    ILE A  50       76.61     52.09                                   
REMARK 500    PHE A  53       76.73    -46.20                                   
REMARK 500    ALA A  71      126.66   -172.29                                   
REMARK 500    PRO A  79       89.93    -63.35                                   
REMARK 500    CYS A  95      128.47    -35.86                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: PLANAR GROUPS                                              
REMARK 500                                                                      
REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL                 
REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE                    
REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN                    
REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS                        
REMARK 500 AN RMSD GREATER THAN THIS VALUE                                      
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        RMS     TYPE                                    
REMARK 500    ARG A   8         0.30    SIDE CHAIN                              
REMARK 500    ARG A  41         0.11    SIDE CHAIN                              
REMARK 500    ARG A  57         0.20    SIDE CHAIN                              
REMARK 500    ARG A  87         0.11    SIDE CHAIN                              
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 700                                                                      
REMARK 700 SHEET                                                                
REMARK 700 THE DIMER INTERFACE IS COMPOSED OF INTERDIGITATED N- AND             
REMARK 700 C-TERMINAL STRANDS FROM BOTH SUBUNITS FORMING A                      
REMARK 700 FOUR-STRANDED ANTI-PARALLEL BETA-SHEET, S2.  APPLICATION             
REMARK 700 OF THE TWO-FOLD ROTATION TO RESIDUES 1 TO 5 AND 95 TO 99             
REMARK 700 GENERATES RESIDUES 1' TO 5' AND 95' TO 99' RESPECTIVELY.             
REMARK 700 BECAUSE OF LIMITATIONS IMPOSED BY THE PROTEIN DATA BANK              
REMARK 700 FORMAT IT IS NOT POSSIBLE TO PRESENT THIS SHEET ON SHEET             
REMARK 700 RECORDS.  INSTEAD THIS SHEET IS SPECIFIED IN THIS REMARK.            
REMARK 700 STRANDS 1 AND 3 ARE FROM THE MOLECULE IN THIS ENTRY AND              
REMARK 700 STRANDS 2 AND 4 ARE FROM THE SYMMETRY RELATED MOLECULE.              
REMARK 700 1 S2 4 PRO     1  LEU     5  0                                       
REMARK 700 2 S2 4 CYS    95' PHE    99'-1                                       
REMARK 700 3 S2 4 CYS    95  PHE    99 -1                                       
REMARK 700 4 S2 4 PRO     1' LEU     5'-1                                       
DBREF  3PHV A    1    99  UNP    P04585   POL_HV1H2       69    167             
SEQRES   1 A   99  PRO GLN ILE THR LEU TRP GLN ARG PRO LEU VAL THR ILE          
SEQRES   2 A   99  LYS ILE GLY GLY GLN LEU LYS GLU ALA LEU LEU ASP THR          
SEQRES   3 A   99  GLY ALA ASP ASP THR VAL LEU GLU GLU MET SER LEU PRO          
SEQRES   4 A   99  GLY ARG TRP LYS PRO LYS MET ILE GLY GLY ILE GLY GLY          
SEQRES   5 A   99  PHE ILE LYS VAL ARG GLN TYR ASP GLN ILE LEU ILE GLU          
SEQRES   6 A   99  ILE CYS GLY HIS LYS ALA ILE GLY THR VAL LEU VAL GLY          
SEQRES   7 A   99  PRO THR PRO VAL ASN ILE ILE GLY ARG ASN LEU LEU THR          
SEQRES   8 A   99  GLN ILE GLY CYS THR LEU ASN PHE                              
HELIX    1 H1A GLY A   86  GLN A   92  1                                   7    
HELIX    2 H1B LEU A   89  ILE A   93  5                                   5    
SHEET    1  S1 7 PRO A   9  ILE A  15  0                                        
SHEET    2  S1 7 GLN A  18  LEU A  24 -1  O  LYS A  20   N  ILE A  13           
SHEET    3  S1 7 ASN A  83  ILE A  85  1  O  ASN A  83   N  LEU A  23           
SHEET    4  S1 7 THR A  31  GLU A  34 -1  O  VAL A  32   N  ILE A  84           
SHEET    5  S1 7 HIS A  69  GLY A  78  1  O  LEU A  76   N  LEU A  33           
SHEET    6  S1 7 GLY A  52  ILE A  66 -1  N  ARG A  57   O  VAL A  77           
SHEET    7  S1 7 LYS A  43  GLY A  49 -1  O  LYS A  45   N  VAL A  56           
CRYST1   50.240   50.240  107.120  90.00  90.00  90.00 P 41 21 2     8          
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      0.019904  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.019904  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.009335        0.00000