HEADER    VIRAL PROTEIN                           05-JUL-07   2QIQ              
TITLE     STRUCTURE-BASED DESIGN AND SYNTHESIS AND BIOLOGICAL EVALUATION OF     
TITLE    2 PEPTIDOMIMETIC SARS-3CLPRO INHIBITORS                                
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: REPLICASE POLYPROTEIN 1AB;                                 
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: 3CL PROTEINASE;                                            
COMPND   5 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: SARS CORONAVIRUS;                               
SOURCE   3 ORGANISM_TAXID: 227859;                                              
SOURCE   4 GENE: REP;                                                           
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562                                         
KEYWDS    HYDROLASE, VIRAL PROTEIN                                              
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    V.GRUM-TOKARS                                                         
REVDAT   3   30-AUG-23 2QIQ    1       REMARK SEQADV                            
REVDAT   2   24-FEB-09 2QIQ    1       VERSN                                    
REVDAT   1   12-FEB-08 2QIQ    0                                                
JRNL        AUTH   A.K.GHOSH,K.XI,V.GRUM-TOKARS,X.XU,K.RATIA,W.FU,K.V.HOUSER,   
JRNL        AUTH 2 S.C.BAKER,M.E.JOHNSON,A.D.MESECAR                            
JRNL        TITL   STRUCTURE-BASED DESIGN, SYNTHESIS, AND BIOLOGICAL EVALUATION 
JRNL        TITL 2 OF PEPTIDOMIMETIC SARS-COV 3CLPRO INHIBITORS.                
JRNL        REF    BIOORG.MED.CHEM.LETT.         V.  17  5876 2007              
JRNL        REFN                   ISSN 0960-894X                               
JRNL        PMID   17855091                                                     
JRNL        DOI    10.1016/J.BMCL.2007.08.031                                   
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.90 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.2.0019                                      
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.90                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 20.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 91.3                           
REMARK   3   NUMBER OF REFLECTIONS             : 31114                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.235                           
REMARK   3   R VALUE            (WORKING SET) : 0.233                           
REMARK   3   FREE R VALUE                     : 0.275                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1631                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 20                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 1.90                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.95                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 1236                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 48.94                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3440                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 56                           
REMARK   3   BIN FREE R VALUE                    : 0.3540                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2332                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 45                                      
REMARK   3   SOLVENT ATOMS            : 161                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 46.65                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -1.23000                                             
REMARK   3    B22 (A**2) : 1.29000                                              
REMARK   3    B33 (A**2) : 0.39000                                              
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.90000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.161         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.156         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.150         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 5.397         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.951                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.928                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  2429 ; 0.015 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  3301 ; 1.502 ; 1.968       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   300 ; 6.978 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   107 ;33.567 ;24.299       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   386 ;15.644 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    12 ;17.911 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   373 ; 0.103 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  1851 ; 0.005 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  1129 ; 0.214 ; 0.200       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  1660 ; 0.307 ; 0.200       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):   157 ; 0.155 ; 0.200       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):    32 ; 0.156 ; 0.200       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):    17 ; 0.145 ; 0.200       
REMARK   3   SYMMETRY H-BOND OTHERS            (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.     COUNT   RMS    WEIGHT      
REMARK   3   MAIN-CHAIN BOND REFINED ATOMS  (A**2):  1532 ; 1.056 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  2413 ; 1.782 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  1011 ; 1.915 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):   888 ; 2.643 ; 4.500       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3 ANISOTROPIC THERMAL FACTOR RESTRAINTS.    COUNT   RMS   WEIGHT       
REMARK   3   RIGID-BOND RESTRAINTS          (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS STATISTICS                                           
REMARK   3   NUMBER OF DIFFERENT NCS GROUPS : NULL                              
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : MASK                                                 
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.20                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING   
REMARK   3  POSITIONS                                                           
REMARK   4                                                                      
REMARK   4 2QIQ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 18-JUL-07.                  
REMARK 100 THE DEPOSITION ID IS D_1000043648.                                   
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                             : 6.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : APS                                
REMARK 200  BEAMLINE                       : 22-BM                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.0                                
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 : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : HKL-2000                           
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 32745                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.900                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 20.000                             
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) : 1.90                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.00                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 91.5                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.31000                            
REMARK 200  R SYM FOR SHELL            (I) : 0.19600                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: AMORE                                                 
REMARK 200 STARTING MODEL: 2ALV                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 64.54                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.47                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 20000, NA CACODYLATE, NACL, PH       
REMARK 280  6.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298K                
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1                          
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,Y,-Z                                                 
REMARK 290       3555   X+1/2,Y+1/2,Z                                           
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        0.00000            
REMARK 290   SMTRY2   2  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   3  1.000000  0.000000  0.000000       54.16250            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       41.11250            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000       54.16250            
REMARK 290   SMTRY2   4  0.000000  1.000000  0.000000       41.11250            
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 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 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 -1.000000  0.000000  0.000000      -13.59555            
REMARK 350   BIOMT2   2  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000       51.93393            
REMARK 375                                                                      
REMARK 375 SPECIAL POSITION                                                     
REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS            
REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL          
REMARK 375 POSITIONS.                                                           
REMARK 375                                                                      
REMARK 375 ATOM RES CSSEQI                                                      
REMARK 375      HOH A 451  LIES ON A SPECIAL POSITION.                          
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                      
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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)               
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   RES CSSEQI ATM2   DEVIATION                     
REMARK 500    CYS A 128   CB    CYS A 128   SG     -0.138                       
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    LEU A  50   CA  -  CB  -  CG  ANGL. DEV. =  15.3 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    ASP A  33     -122.55     50.82                                   
REMARK 500    HIS A  41        1.36    -66.68                                   
REMARK 500    ALA A  46      -62.91    -18.91                                   
REMARK 500    ASP A  48       29.03    -73.58                                   
REMARK 500    ASN A  51       45.83   -150.75                                   
REMARK 500    ASN A  84     -120.92     46.90                                   
REMARK 500    TYR A 154       74.82     30.56                                   
REMARK 500    PRO A 184       38.44    -81.15                                   
REMARK 500    THR A 190     -159.87   -111.31                                   
REMARK 500    ASN A 277       78.22     29.78                                   
REMARK 500    LEU A 282       48.95     39.93                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS                                         
REMARK 500                                                                      
REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH          
REMARK 500 CIS AND TRANS CONFORMATION.  CIS BONDS, IF ANY, ARE LISTED           
REMARK 500 ON CISPEP RECORDS.  TRANS IS DEFINED AS 180 +/- 30 AND               
REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES.                                  
REMARK 500                                 MODEL     OMEGA                      
REMARK 500 GLU A  178     GLY A  179                  -48.22                    
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CYV A 302                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 2ALV   RELATED DB: PDB                                   
DBREF  2QIQ A    2   301  UNP    P59641   R1AB_CVHSA    3242   3541             
SEQADV 2QIQ ALA A    1  UNP  P59641              EXPRESSION TAG                 
SEQRES   1 A  301  ALA GLY PHE ARG LYS MET ALA PHE PRO SER GLY LYS VAL          
SEQRES   2 A  301  GLU GLY CYS MET VAL GLN VAL THR CYS GLY THR THR THR          
SEQRES   3 A  301  LEU ASN GLY LEU TRP LEU ASP ASP THR VAL TYR CYS PRO          
SEQRES   4 A  301  ARG HIS VAL ILE CYS THR ALA GLU ASP MET LEU ASN PRO          
SEQRES   5 A  301  ASN TYR GLU ASP LEU LEU ILE ARG LYS SER ASN HIS SER          
SEQRES   6 A  301  PHE LEU VAL GLN ALA GLY ASN VAL GLN LEU ARG VAL ILE          
SEQRES   7 A  301  GLY HIS SER MET GLN ASN CYS LEU LEU ARG LEU LYS VAL          
SEQRES   8 A  301  ASP THR SER ASN PRO LYS THR PRO LYS TYR LYS PHE VAL          
SEQRES   9 A  301  ARG ILE GLN PRO GLY GLN THR PHE SER VAL LEU ALA CYS          
SEQRES  10 A  301  TYR ASN GLY SER PRO SER GLY VAL TYR GLN CYS ALA MET          
SEQRES  11 A  301  ARG PRO ASN HIS THR ILE LYS GLY SER PHE LEU ASN GLY          
SEQRES  12 A  301  SER CYS GLY SER VAL GLY PHE ASN ILE ASP TYR ASP CYS          
SEQRES  13 A  301  VAL SER PHE CYS TYR MET HIS HIS MET GLU LEU PRO THR          
SEQRES  14 A  301  GLY VAL HIS ALA GLY THR ASP LEU GLU GLY LYS PHE TYR          
SEQRES  15 A  301  GLY PRO PHE VAL ASP ARG GLN THR ALA GLN ALA ALA GLY          
SEQRES  16 A  301  THR ASP THR THR ILE THR LEU ASN VAL LEU ALA TRP LEU          
SEQRES  17 A  301  TYR ALA ALA VAL ILE ASN GLY ASP ARG TRP PHE LEU ASN          
SEQRES  18 A  301  ARG PHE THR THR THR LEU ASN ASP PHE ASN LEU VAL ALA          
SEQRES  19 A  301  MET LYS TYR ASN TYR GLU PRO LEU THR GLN ASP HIS VAL          
SEQRES  20 A  301  ASP ILE LEU GLY PRO LEU SER ALA GLN THR GLY ILE ALA          
SEQRES  21 A  301  VAL LEU ASP MET CYS ALA ALA LEU LYS GLU LEU LEU GLN          
SEQRES  22 A  301  ASN GLY MET ASN GLY ARG THR ILE LEU GLY SER THR ILE          
SEQRES  23 A  301  LEU GLU ASP GLU PHE THR PRO PHE ASP VAL VAL ARG GLN          
SEQRES  24 A  301  CYS SER                                                      
HET    CYV  A 302      45                                                       
HETNAM     CYV ETHYL (4R)-4-{[(2R,5S)-5-{[N-(TERT-BUTOXYCARBONYL)-L-            
HETNAM   2 CYV  SERYL]AMINO}-6-METHYL-2-(3-METHYLBUT-2-EN-1-YL)-4-              
HETNAM   3 CYV  OXOHEPTANOYL]AMINO}-5-[(3R)-2-OXOPYRROLIDIN-3-                  
HETNAM   4 CYV  YL]PENTANOATE                                                   
FORMUL   2  CYV    C32 H54 N4 O9                                                
FORMUL   3  HOH   *161(H2 O)                                                    
HELIX    1   1 SER A   10  GLY A   15  1                                   6    
HELIX    2   2 HIS A   41  CYS A   44  5                                   4    
HELIX    3   3 ALA A   46  LEU A   50  5                                   5    
HELIX    4   4 ASN A   53  ARG A   60  1                                   8    
HELIX    5   5 ILE A  200  ASN A  214  1                                  15    
HELIX    6   6 THR A  226  TYR A  237  1                                  12    
HELIX    7   7 THR A  243  LEU A  250  1                                   8    
HELIX    8   8 LEU A  250  GLY A  258  1                                   9    
HELIX    9   9 ALA A  260  GLY A  275  1                                  16    
HELIX   10  10 THR A  292  CYS A  300  1                                   9    
SHEET    1   A 7 VAL A  73  LEU A  75  0                                        
SHEET    2   A 7 LEU A  67  ALA A  70 -1  N  VAL A  68   O  LEU A  75           
SHEET    3   A 7 MET A  17  CYS A  22 -1  N  THR A  21   O  LEU A  67           
SHEET    4   A 7 THR A  25  LEU A  32 -1  O  LEU A  27   N  VAL A  20           
SHEET    5   A 7 THR A  35  PRO A  39 -1  O  TYR A  37   N  LEU A  30           
SHEET    6   A 7 LEU A  86  VAL A  91 -1  O  LEU A  87   N  CYS A  38           
SHEET    7   A 7 VAL A  77  GLN A  83 -1  N  SER A  81   O  ARG A  88           
SHEET    1   B 5 LYS A 100  PHE A 103  0                                        
SHEET    2   B 5 CYS A 156  GLU A 166  1  O  PHE A 159   N  LYS A 102           
SHEET    3   B 5 VAL A 148  ASP A 153 -1  N  ASN A 151   O  SER A 158           
SHEET    4   B 5 THR A 111  TYR A 118 -1  N  SER A 113   O  PHE A 150           
SHEET    5   B 5 SER A 121  ALA A 129 -1  O  CYS A 128   N  PHE A 112           
SHEET    1   C 3 LYS A 100  PHE A 103  0                                        
SHEET    2   C 3 CYS A 156  GLU A 166  1  O  PHE A 159   N  LYS A 102           
SHEET    3   C 3 HIS A 172  THR A 175 -1  O  ALA A 173   N  MET A 165           
SITE     1 AC1 17 THR A  26  PHE A 140  LEU A 141  ASN A 142                    
SITE     2 AC1 17 GLY A 143  CYS A 145  HIS A 163  HIS A 164                    
SITE     3 AC1 17 MET A 165  GLU A 166  PRO A 168  HIS A 172                    
SITE     4 AC1 17 ASP A 187  ARG A 188  GLN A 189  THR A 190                    
SITE     5 AC1 17 GLN A 192                                                     
CRYST1  108.325   82.225   53.684  90.00 104.67  90.00 C 1 2 1       4          
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      0.009231  0.000000  0.002417        0.00000                         
SCALE2      0.000000  0.012162  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.019255        0.00000