PDB Short entry for 2IQ6
HEADER    HYDROLASE                               13-OCT-06   2IQ6              
TITLE     CRYSTAL STRUCTURE OF THE AMINOPEPTIDASE FROM VIBRIO PROTEOLYTICUS IN  
TITLE    2 COMPLEXATION WITH LEUCYL-LEUCYL-LEUCINE.                             
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: BACTERIAL LEUCYL AMINOPEPTIDASE;                           
COMPND   3 CHAIN: A;                                                            
COMPND   4 EC: 3.4.11.10;                                                       
COMPND   5 MOL_ID: 2;                                                           
COMPND   6 MOLECULE: PEPTIDE, (LEUCYL-LEUCYL-LEUCINE);                          
COMPND   7 CHAIN: B;                                                            
COMPND   8 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: VIBRIO PROTEOLYTICUS;                           
SOURCE   3 ORGANISM_TAXID: 671;                                                 
SOURCE   4 MOL_ID: 2;                                                           
SOURCE   5 SYNTHETIC: YES;                                                      
SOURCE   6 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT;                            
SOURCE   7 ORGANISM_TAXID: 32630;                                               
SOURCE   8 OTHER_DETAILS: THE PEPTIDE WAS CHEMICALLY SYNTHESIZED.               
KEYWDS    AMINOPEPTIDASE, HYDROLASE, METALLOPROTEIN, METALLOHYDROLASE,          
KEYWDS   2 PEPTIDASE, METALLOPROTEINASE, ZINC, PROTEASE, EXOPEPTIDASE           
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    A.KUMAR,B.NARAYANAN,J.-J.P.KIM,B.BENNETT                              
REVDAT   3   18-OCT-17 2IQ6    1       SOURCE REMARK                            
REVDAT   2   24-FEB-09 2IQ6    1       VERSN                                    
REVDAT   1   28-AUG-07 2IQ6    0                                                
JRNL        AUTH   A.KUMAR,G.R.PERIYANNAN,B.NARAYANAN,A.W.KITTELL,J.-J.KIM,     
JRNL        AUTH 2 B.BENNETT                                                    
JRNL        TITL   EXPERIMENTAL EVIDENCE FOR A METALLOHYDROLASE MECHANISM IN    
JRNL        TITL 2 WHICH THE NUCLEOPHILE IS NOT DELIVERED BY A METAL ION: EPR   
JRNL        TITL 3 SPECTROKINETIC AND STRUCTURAL STUDIES OF AMINOPEPTIDASE FROM 
JRNL        TITL 4 VIBRIO PROTEOLYTICUS                                         
JRNL        REF    BIOCHEM.J.                    V. 403   527 2007              
JRNL        REFN                   ISSN 0264-6021                               
JRNL        PMID   17238863                                                     
JRNL        DOI    10.1042/BJ20061591                                           
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.00 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS 1.1                                              
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-              
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,              
REMARK   3               : READ,RICE,SIMONSON,WARREN                            
REMARK   3                                                                      
REMARK   3  REFINEMENT TARGET : ENGH & HUBER                                    
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 30.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 96.2                           
REMARK   3   NUMBER OF REFLECTIONS             : 23236                          
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) : 0.206                           
REMARK   3   FREE R VALUE                     : 0.247                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 9.500                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 2206                            
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) : 2.00                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.09                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 96.20                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2088                       
REMARK   3   BIN FREE R VALUE                    : 0.2450                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 264                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.099                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2236                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 2                                       
REMARK   3   SOLVENT ATOMS            : 259                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 23.50                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 29.56                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -2.18600                                             
REMARK   3    B22 (A**2) : -2.18600                                             
REMARK   3    B33 (A**2) : 4.37200                                              
REMARK   3    B12 (A**2) : -2.75800                                             
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : 0.47                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.40                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : 5.00                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : 0.50                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.46                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.005                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.500                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 22.90                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 1.300                           
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : RESTRAINED                                
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  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : NULL                                                 
REMARK   3   KSOL        : NULL                                                 
REMARK   3   BSOL        : 54.59                                                
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : PROTEIN_REP.PARAM                              
REMARK   3  PARAMETER FILE  2  : ION.PARAM                                      
REMARK   3  PARAMETER FILE  3  : WATER_REP.PARAM                                
REMARK   3  PARAMETER FILE  4  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : NULL                                           
REMARK   3  TOPOLOGY FILE  2   : NULL                                           
REMARK   3  TOPOLOGY FILE  3   : NULL                                           
REMARK   3  TOPOLOGY FILE  4   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 2IQ6 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 16-OCT-06.                  
REMARK 100 THE DEPOSITION ID IS D_1000039879.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 04-MAY-05                          
REMARK 200  TEMPERATURE           (KELVIN) : 100.0                              
REMARK 200  PH                             : 8.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : ROTATING ANODE                     
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : RIGAKU                             
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.54                               
REMARK 200  MONOCHROMATOR                  : MIRROR                             
REMARK 200  OPTICS                         : CONFOCAL                           
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : RIGAKU RAXIS IV                    
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : R-AXIS                             
REMARK 200  DATA SCALING SOFTWARE          : HKL-2000                           
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 23236                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.000                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 2.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 96.2                               
REMARK 200  DATA REDUNDANCY                : 22.60                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.08700                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 12.3000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.00                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.07                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 78.3                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 21.40                              
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : 0.72400                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 4.000                              
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: PDB ENTRY 1CP6                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 50.20                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.60                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: KSCN, NACL, TRIS, PH 8.0, VAPOR          
REMARK 280  DIFFUSION, SITTING DROP, TEMPERATURE 293K, TRIS REPLACED BY HEPES   
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 61 2 2                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z+1/3                                            
REMARK 290       3555   -X+Y,-X,Z+2/3                                           
REMARK 290       4555   -X,-Y,Z+1/2                                             
REMARK 290       5555   Y,-X+Y,Z+5/6                                            
REMARK 290       6555   X-Y,X,Z+1/6                                             
REMARK 290       7555   Y,X,-Z+1/3                                              
REMARK 290       8555   X-Y,-Y,-Z                                               
REMARK 290       9555   -X,-X+Y,-Z+2/3                                          
REMARK 290      10555   -Y,-X,-Z+5/6                                            
REMARK 290      11555   -X+Y,Y,-Z+1/2                                           
REMARK 290      12555   X,X-Y,-Z+1/6                                            
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       32.26667            
REMARK 290   SMTRY1   3 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   3 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       64.53333            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000       48.40000            
REMARK 290   SMTRY1   5  0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   5 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000       80.66667            
REMARK 290   SMTRY1   6  0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   6  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       16.13333            
REMARK 290   SMTRY1   7 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   7  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000       32.26667            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   9 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   9 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   9  0.000000  0.000000 -1.000000       64.53333            
REMARK 290   SMTRY1  10  0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  10 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3  10  0.000000  0.000000 -1.000000       80.66667            
REMARK 290   SMTRY1  11 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2  11  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3  11  0.000000  0.000000 -1.000000       48.40000            
REMARK 290   SMTRY1  12  0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  12  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3  12  0.000000  0.000000 -1.000000       16.13333            
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                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 930 ANGSTROM**2                           
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B                                  
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 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   O    GLU A   152     OXT  LEU B   296              2.17            
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 B 295   C   -  N   -  CA  ANGL. DEV. =  32.6 DEGREES          
REMARK 500    LEU B 295   CA  -  C   -  O   ANGL. DEV. = -18.4 DEGREES          
REMARK 500    LEU B 295   CA  -  C   -  N   ANGL. DEV. =  23.5 DEGREES          
REMARK 500    LEU B 295   O   -  C   -  N   ANGL. DEV. = -15.5 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 117       82.07    -64.58                                   
REMARK 500    ASP A 118      -12.33     74.23                                   
REMARK 500    LYS A 170      135.32    -39.59                                   
REMARK 500    MET A 180      102.99     80.28                                   
REMARK 500    SER A 246     -177.25   -174.30                                   
REMARK 500    ASN A 252      112.77    -37.78                                   
REMARK 500    SER A 265     -131.23   -105.10                                   
REMARK 500    LEU B 295      -78.30      8.02                                   
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 LEU B  295     LEU B  296                 -113.06                    
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: MAIN CHAIN PLANARITY                                       
REMARK 500                                                                      
REMARK 500 THE FOLLOWING RESIDUES HAVE A PSEUDO PLANARITY                       
REMARK 500 TORSION ANGLE, C(I) - CA(I) - N(I+1) - O(I), GREATER                 
REMARK 500 10.0 DEGREES. (M=MODEL NUMBER; RES=RESIDUE NAME;                     
REMARK 500 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;                            
REMARK 500 I=INSERTION CODE).                                                   
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        ANGLE                                           
REMARK 500    LEU B 295         30.81                                           
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 620                                                                      
REMARK 620 METAL COORDINATION                                                   
REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN A 292  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLU A 152   OE2                                                    
REMARK 620 2 HIS A 256   NE2 100.2                                              
REMARK 620 3 ASP A 117   OD2  97.9  91.0                                        
REMARK 620 4 LEU B 294   O    91.9 157.2 106.5                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN A 293  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A 179   OD1                                                    
REMARK 620 2 HIS A  97   NE2 104.5                                              
REMARK 620 3 ASP A 117   OD1  98.1  95.2                                        
REMARK 620 4 LEU B 294   O   144.8  97.6 106.9                                  
REMARK 620 N                    1     2     3                                   
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 292                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 293                  
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1CP6   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 1LOK   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 1IGB   RELATED DB: PDB                                   
DBREF  2IQ6 A    1   291  UNP    Q01693   AMPX_VIBPR     107    397             
DBREF  2IQ6 B  294   296  PDB    2IQ6     2IQ6           294    296             
SEQRES   1 A  291  MET PRO PRO ILE THR GLN GLN ALA THR VAL THR ALA TRP          
SEQRES   2 A  291  LEU PRO GLN VAL ASP ALA SER GLN ILE THR GLY THR ILE          
SEQRES   3 A  291  SER SER LEU GLU SER PHE THR ASN ARG PHE TYR THR THR          
SEQRES   4 A  291  THR SER GLY ALA GLN ALA SER ASP TRP ILE ALA SER GLU          
SEQRES   5 A  291  TRP GLN ALA LEU SER ALA SER LEU PRO ASN ALA SER VAL          
SEQRES   6 A  291  LYS GLN VAL SER HIS SER GLY TYR ASN GLN LYS SER VAL          
SEQRES   7 A  291  VAL MET THR ILE THR GLY SER GLU ALA PRO ASP GLU TRP          
SEQRES   8 A  291  ILE VAL ILE GLY GLY HIS LEU ASP SER THR ILE GLY SER          
SEQRES   9 A  291  HIS THR ASN GLU GLN SER VAL ALA PRO GLY ALA ASP ASP          
SEQRES  10 A  291  ASP ALA SER GLY ILE ALA ALA VAL THR GLU VAL ILE ARG          
SEQRES  11 A  291  VAL LEU SER GLU ASN ASN PHE GLN PRO LYS ARG SER ILE          
SEQRES  12 A  291  ALA PHE MET ALA TYR ALA ALA GLU GLU VAL GLY LEU ARG          
SEQRES  13 A  291  GLY SER GLN ASP LEU ALA ASN GLN TYR LYS SER GLU GLY          
SEQRES  14 A  291  LYS ASN VAL VAL SER ALA LEU GLN LEU ASP MET THR ASN          
SEQRES  15 A  291  TYR LYS GLY SER ALA GLN ASP VAL VAL PHE ILE THR ASP          
SEQRES  16 A  291  TYR THR ASP SER ASN PHE THR GLN TYR LEU THR GLN LEU          
SEQRES  17 A  291  MET ASP GLU TYR LEU PRO SER LEU THR TYR GLY PHE ASP          
SEQRES  18 A  291  THR CYS GLY TYR ALA CYS SER ASP HIS ALA SER TRP HIS          
SEQRES  19 A  291  ASN ALA GLY TYR PRO ALA ALA MET PRO PHE GLU SER LYS          
SEQRES  20 A  291  PHE ASN ASP TYR ASN PRO ARG ILE HIS THR THR GLN ASP          
SEQRES  21 A  291  THR LEU ALA ASN SER ASP PRO THR GLY SER HIS ALA LYS          
SEQRES  22 A  291  LYS PHE THR GLN LEU GLY LEU ALA TYR ALA ILE GLU MET          
SEQRES  23 A  291  GLY SER ALA THR GLY                                          
SEQRES   1 B    3  LEU LEU LEU                                                  
HET     ZN  A 292       1                                                       
HET     ZN  A 293       1                                                       
HETNAM      ZN ZINC ION                                                         
FORMUL   3   ZN    2(ZN 2+)                                                     
FORMUL   5  HOH   *259(H2 O)                                                    
HELIX    1   1 GLN A    6  LEU A   14  1                                   9    
HELIX    2   2 PRO A   15  VAL A   17  5                                   3    
HELIX    3   3 ASP A   18  SER A   31  1                                  14    
HELIX    4   4 THR A   39  ALA A   58  1                                  20    
HELIX    5   5 ASP A  118  ASN A  135  1                                  18    
HELIX    6   6 ALA A  150  GLY A  154  5                                   5    
HELIX    7   7 LEU A  155  GLU A  168  1                                  14    
HELIX    8   8 ASP A  198  LEU A  213  1                                  16    
HELIX    9   9 ASP A  229  ALA A  236  1                                   8    
HELIX   10  10 GLY A  269  ALA A  289  1                                  21    
SHEET    1   A 6 ALA A  63  HIS A  70  0                                        
SHEET    2   A 6 TYR A  73  ILE A  82 -1  O  VAL A  79   N  LYS A  66           
SHEET    3   A 6 ARG A 141  TYR A 148 -1  O  PHE A 145   N  MET A  80           
SHEET    4   A 6 ALA A  87  HIS A  97  1  N  ILE A  92   O  ALA A 144           
SHEET    5   A 6 ASN A 171  GLN A 177  1  O  ASN A 171   N  TRP A  91           
SHEET    6   A 6 ALA A 240  ALA A 241  1  O  ALA A 241   N  GLN A 177           
SHEET    1   B 3 TYR A 218  ASP A 221  0                                        
SHEET    2   B 3 VAL A 190  ILE A 193  1  N  PHE A 192   O  GLY A 219           
SHEET    3   B 3 PRO A 243  PHE A 244 -1  O  PHE A 244   N  VAL A 191           
SSBOND   1 CYS A  223    CYS A  227                          1555   1555  2.03  
LINK         OE2 GLU A 152                ZN    ZN A 292     1555   1555  2.19  
LINK         NE2 HIS A 256                ZN    ZN A 292     1555   1555  2.18  
LINK         OD2 ASP A 117                ZN    ZN A 292     1555   1555  2.22  
LINK         OD1 ASP A 179                ZN    ZN A 293     1555   1555  2.22  
LINK         NE2 HIS A  97                ZN    ZN A 293     1555   1555  2.27  
LINK         OD1 ASP A 117                ZN    ZN A 293     1555   1555  2.09  
LINK         O   LEU B 294                ZN    ZN A 293     1555   1555  1.92  
LINK         O   LEU B 294                ZN    ZN A 292     1555   1555  2.35  
SITE     1 AC1  5 ASP A 117  GLU A 152  HIS A 256   ZN A 293                    
SITE     2 AC1  5 LEU B 294                                                     
SITE     1 AC2  6 HIS A  97  ASP A 117  ASP A 118  ASP A 179                    
SITE     2 AC2  6  ZN A 292  LEU B 294                                          
CRYST1  108.400  108.400   96.800  90.00  90.00 120.00 P 61 2 2     12          
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      0.009230  0.005330  0.000000        0.00000                         
SCALE2      0.000000  0.010650  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.010330        0.00000