HEADER    HYDROLASE                               27-MAR-07   2PAJ              
TITLE     CRYSTAL STRUCTURE OF AN AMIDOHYDROLASE FROM AN ENVIRONMENTAL SAMPLE OF
TITLE    2 SARGASSO SEA                                                         
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: PUTATIVE CYTOSINE/GUANINE DEAMINASE;                       
COMPND   3 CHAIN: A;                                                            
COMPND   4 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: UNIDENTIFIED;                                   
SOURCE   3 ORGANISM_TAXID: 32644;                                               
SOURCE   4 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   5 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   6 EXPRESSION_SYSTEM_STRAIN: BL21(DE3)CODON+RIL;                        
SOURCE   7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   8 EXPRESSION_SYSTEM_PLASMID: PSGX3(BC)                                 
KEYWDS    NYSGXRC, 9339A, PSI-II, AMIDOHYDROLASE, SARGASSO SEA, ENVIRONMENTAL   
KEYWDS   2 SAMPLE, STRUCTURAL GENOMICS, PROTEIN STRUCTURE INITIATIVE, NEW YORK  
KEYWDS   3 SGX RESEARCH CENTER FOR STRUCTURAL GENOMICS, HYDROLASE               
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    R.AGARWAL,S.K.BURLEY,S.SWAMINATHAN,NEW YORK SGX RESEARCH CENTER FOR   
AUTHOR   2 STRUCTURAL GENOMICS (NYSGXRC)                                        
REVDAT   7   21-FEB-24 2PAJ    1       REMARK                                   
REVDAT   6   03-FEB-21 2PAJ    1       AUTHOR JRNL   REMARK                     
REVDAT   5   13-JUL-11 2PAJ    1       VERSN                                    
REVDAT   4   04-AUG-10 2PAJ    1       JRNL                                     
REVDAT   3   24-FEB-09 2PAJ    1       VERSN                                    
REVDAT   2   10-APR-07 2PAJ    1       SOURCE                                   
REVDAT   1   03-APR-07 2PAJ    0                                                
JRNL        AUTH   R.S.HALL,R.AGARWAL,D.HITCHCOCK,J.M.SAUDER,S.K.BURLEY,        
JRNL        AUTH 2 S.SWAMINATHAN,F.M.RAUSHEL                                    
JRNL        TITL   DISCOVERY AND STRUCTURE DETERMINATION OF THE ORPHAN ENZYME   
JRNL        TITL 2 ISOXANTHOPTERIN DEAMINASE.                                   
JRNL        REF    BIOCHEMISTRY                  V.  49  4374 2010              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   20415463                                                     
JRNL        DOI    10.1021/BI100252S                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.70 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) : 2.70                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 44.44                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 82865.970                      
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : 0.0000                         
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 91.6                           
REMARK   3   NUMBER OF REFLECTIONS             : 19193                          
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) : 0.234                           
REMARK   3   FREE R VALUE                     : 0.286                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 3.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 569                             
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.012                           
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 6                            
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.70                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.87                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 63.50                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 2115                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3720                       
REMARK   3   BIN FREE R VALUE                    : 0.4010                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 2.60                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 56                           
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.054                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 3194                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 1                                       
REMARK   3   SOLVENT ATOMS            : 85                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 39.20                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 58.40                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 11.90000                                             
REMARK   3    B22 (A**2) : 11.90000                                             
REMARK   3    B33 (A**2) : -23.81000                                            
REMARK   3    B12 (A**2) : 11.16000                                             
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) : 0.37                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.51                            
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) : 0.42                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.56                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.009                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.600                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 24.20                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 1.130                           
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) : 1.230 ; 1.500                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 2.120 ; 2.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 1.840 ; 2.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 2.830 ; 2.500                
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : FLAT MODEL                                           
REMARK   3   KSOL        : 0.36                                                 
REMARK   3   BSOL        : 47.04                                                
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   : PROTEIN.TOP                                    
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: MISSING RESIDUES LISTED IN REMARK 465     
REMARK   3  ARE DUE TO LACK OF ELECTRON DENSITY IN THOSE REGIONS.               
REMARK   4                                                                      
REMARK   4 2PAJ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 28-MAR-07.                  
REMARK 100 THE DEPOSITION ID IS D_1000042167.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 22-MAR-07                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 6.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : NSLS                               
REMARK 200  BEAMLINE                       : X29A                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.97920                            
REMARK 200  MONOCHROMATOR                  : SI-III                             
REMARK 200  OPTICS                         : MIRRORS                            
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 315                   
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : HKL-2000                           
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 19968                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.700                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 94.4                               
REMARK 200  DATA REDUNDANCY                : 19.00                              
REMARK 200  R MERGE                    (I) : 0.07000                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 11.1000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.70                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.80                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 63.0                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 10.10                              
REMARK 200  R MERGE FOR SHELL          (I) : 0.30000                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 1.000                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SAD                          
REMARK 200 SOFTWARE USED: SHARP, SHELXD                                         
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 64.64                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.48                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1M MES PH 6.5, 12% PEG 20000, VAPOR    
REMARK 280  DIFFUSION, SITTING DROP, TEMPERATURE 298K                           
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 2 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z+1/3                                            
REMARK 290       3555   -X+Y,-X,Z+2/3                                           
REMARK 290       4555   Y,X,-Z                                                  
REMARK 290       5555   X-Y,-Y,-Z+2/3                                           
REMARK 290       6555   -X,-X+Y,-Z+1/3                                          
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       53.95567            
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      107.91133            
REMARK 290   SMTRY1   4 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   5  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   5  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000      107.91133            
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       53.95567            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 THIS ENTRY CONTAINS THE CRYSTALLOGRAPHIC ASYMMETRIC UNIT             
REMARK 300 WHICH CONSISTS OF 1 CHAIN(S). AUTHORS STATE THAT THE                 
REMARK 300 BIOLOGICAL UNIT OF THIS PROTEIN IS A MONOMER.                        
REMARK 300 SEE REMARK 350 FOR INFORMATION ON GENERATING THE                     
REMARK 300 BIOLOGICAL MOLECULE(S).                                              
REMARK 300 THE ANALYSIS OF PROTEIN INTERFACES PREDICTS THAT THE                 
REMARK 300 BIOLOGICAL UNIT COULD HAVE THE FOLLOWING DIMERIC                     
REMARK 300 ASSEMBLY: CHAIN A (X,Y,Z (1_555); Y,X,-Z (4_555)).                   
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: MONOMERIC                         
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                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA,PQS                                              
REMARK 350 TOTAL BURIED SURFACE AREA: 4100 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 30380 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -96.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   2 -0.500000  0.866025  0.000000        0.00000            
REMARK 350   BIOMT2   2  0.866025  0.500000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465     MET A     1                                                      
REMARK 465     SER A     2                                                      
REMARK 465     LEU A     3                                                      
REMARK 465     THR A     4                                                      
REMARK 465     THR A     5                                                      
REMARK 465     TYR A     6                                                      
REMARK 465     ASP A     7                                                      
REMARK 465     THR A     8                                                      
REMARK 465     GLN A     9                                                      
REMARK 465     ALA A    89                                                      
REMARK 465     GLY A    90                                                      
REMARK 465     LEU A    91                                                      
REMARK 465     ASP A    92                                                      
REMARK 465     ALA A    93                                                      
REMARK 465     THR A    94                                                      
REMARK 465     LEU A    95                                                      
REMARK 465     THR A    96                                                      
REMARK 465     PRO A    97                                                      
REMARK 465     TRP A    98                                                      
REMARK 465     LEU A    99                                                      
REMARK 465     ALA A   100                                                      
REMARK 465     ALA A   101                                                      
REMARK 465     THR A   102                                                      
REMARK 465     PRO A   103                                                      
REMARK 465     TYR A   104                                                      
REMARK 465     ARG A   105                                                      
REMARK 465     GLU A   251                                                      
REMARK 465     THR A   252                                                      
REMARK 465     VAL A   253                                                      
REMARK 465     GLY A   254                                                      
REMARK 465     TYR A   255                                                      
REMARK 465     GLN A   256                                                      
REMARK 465     ASP A   257                                                      
REMARK 465     SER A   258                                                      
REMARK 465     ALA A   259                                                      
REMARK 465     TYR A   260                                                      
REMARK 465     SER A   261                                                      
REMARK 465     MET A   262                                                      
REMARK 465     TYR A   263                                                      
REMARK 465     GLY A   315                                                      
REMARK 465     SER A   316                                                      
REMARK 465     GLY A   317                                                      
REMARK 465     ILE A   318                                                      
REMARK 465     CYS A   319                                                      
REMARK 465     GLY A   362                                                      
REMARK 465     MET A   363                                                      
REMARK 465     LEU A   364                                                      
REMARK 465     ALA A   365                                                      
REMARK 465     GLN A   366                                                      
REMARK 465     PRO A   367                                                      
REMARK 465     ALA A   368                                                      
REMARK 465     TYR A   369                                                      
REMARK 465     ARG A   370                                                      
REMARK 465     GLY A   371                                                      
REMARK 465     GLY A   372                                                      
REMARK 465     SER A   373                                                      
REMARK 465     PHE A   374                                                      
REMARK 465     GLU A   375                                                      
REMARK 465     GLY A   376                                                      
REMARK 465     GLY A   377                                                      
REMARK 465     ALA A   378                                                      
REMARK 465     GLY A   379                                                      
REMARK 465     ALA A   380                                                      
REMARK 465     GLU A   485                                                      
REMARK 465     GLY A   486                                                      
REMARK 465     HIS A   487                                                      
REMARK 465     HIS A   488                                                      
REMARK 465     HIS A   489                                                      
REMARK 465     HIS A   490                                                      
REMARK 465     HIS A   491                                                      
REMARK 465     HIS A   492                                                      
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    GLN A 176   N   -  CA  -  C   ANGL. DEV. = -22.6 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    ARG A  25        6.79    -66.55                                   
REMARK 500    ALA A  51       70.14     57.41                                   
REMARK 500    ALA A  63       33.10    -97.88                                   
REMARK 500    ASP A 111     -158.74   -133.09                                   
REMARK 500    GLU A 112      -76.06    -56.43                                   
REMARK 500    TYR A 142      147.95   -172.68                                   
REMARK 500    LEU A 167       79.55   -106.79                                   
REMARK 500    ARG A 168      103.60    -57.09                                   
REMARK 500    THR A 174      -43.35   -177.26                                   
REMARK 500    ARG A 175       56.46     35.92                                   
REMARK 500    LEU A 177      -99.44     94.40                                   
REMARK 500    GLU A 178      -60.40    176.05                                   
REMARK 500    ARG A 210       38.77   -145.55                                   
REMARK 500    THR A 220      -80.64    -25.39                                   
REMARK 500    VAL A 222      -34.09    -36.40                                   
REMARK 500    TYR A 224      -44.89   -139.51                                   
REMARK 500    LYS A 265     -145.08   -156.87                                   
REMARK 500    LYS A 288       93.83     66.10                                   
REMARK 500    ARG A 313       43.50    -73.33                                   
REMARK 500    VAL A 321      -61.51   -157.22                                   
REMARK 500    GLU A 323      -44.95   -166.34                                   
REMARK 500    ALA A 338       -7.39    -54.96                                   
REMARK 500    ALA A 343       66.31   -109.79                                   
REMARK 500    ARG A 360       49.17    -90.36                                   
REMARK 500    THR A 391      -98.13   -126.47                                   
REMARK 500    LEU A 419       56.96    -93.62                                   
REMARK 500    ARG A 440      110.10   -168.59                                   
REMARK 500    ASP A 457       11.01     54.20                                   
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 493  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A  76   NE2                                                    
REMARK 620 2 HIS A  78   NE2  96.4                                              
REMARK 620 3 HIS A 248   NE2  85.2 106.1                                        
REMARK 620 4 ASP A 336   OD1 109.2  99.7 148.9                                  
REMARK 620 5 HOH A 551   O   168.2  95.3  90.1  70.2                            
REMARK 620 N                    1     2     3     4                             
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 493                  
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: NYSGXRC-9339A   RELATED DB: TARGETDB                     
DBREF  2PAJ A    1   492  PDB    2PAJ     2PAJ             1    492             
SEQRES   1 A  492  MET SER LEU THR THR TYR ASP THR GLN PRO SER THR LEU          
SEQRES   2 A  492  ILE ARG ASN ALA ALA ALA ILE MET THR GLY GLY ARG GLY          
SEQRES   3 A  492  THR ALA ASP ASP PRO SER ARG VAL PRO GLY PRO ASP ILE          
SEQRES   4 A  492  ARG ILE VAL GLY ASP THR ILE ASP ALA ILE GLY ALA LEU          
SEQRES   5 A  492  ALA PRO ARG PRO GLY GLU THR ILE VAL ASP ALA THR ASP          
SEQRES   6 A  492  CYS VAL ILE TYR PRO ALA TRP VAL ASN THR HIS HIS HIS          
SEQRES   7 A  492  LEU PHE GLN SER LEU LEU LYS GLY GLU PRO ALA GLY LEU          
SEQRES   8 A  492  ASP ALA THR LEU THR PRO TRP LEU ALA ALA THR PRO TYR          
SEQRES   9 A  492  ARG PHE ARG ALA LEU PHE ASP GLU ARG ARG PHE ARG LEU          
SEQRES  10 A  492  ALA ALA ARG ILE GLY LEU ILE GLU LEU ALA ARG SER GLY          
SEQRES  11 A  492  CYS ALA THR VAL ALA ASP HIS ASN TYR VAL TYR TYR PRO          
SEQRES  12 A  492  GLY MET PRO PHE ASP SER SER ALA ILE LEU PHE GLU GLU          
SEQRES  13 A  492  ALA GLU LYS LEU GLY LEU ARG PHE VAL LEU LEU ARG GLY          
SEQRES  14 A  492  GLY ALA THR GLN THR ARG GLN LEU GLU ALA ASP LEU PRO          
SEQRES  15 A  492  THR ALA LEU ARG PRO GLU THR LEU ASP ALA TYR VAL ALA          
SEQRES  16 A  492  ASP ILE GLU ARG LEU ALA ALA ARG TYR HIS ASP ALA SER          
SEQRES  17 A  492  PRO ARG ALA MET ARG ARG VAL VAL MET ALA PRO THR THR          
SEQRES  18 A  492  VAL LEU TYR SER ILE SER PRO ARG GLU MET ARG GLU THR          
SEQRES  19 A  492  ALA ALA VAL ALA ARG ARG LEU GLY LEU ARG MET HIS SER          
SEQRES  20 A  492  HIS LEU SER GLU THR VAL GLY TYR GLN ASP SER ALA TYR          
SEQRES  21 A  492  SER MET TYR GLY LYS SER PRO VAL ALA PHE CYS GLY GLU          
SEQRES  22 A  492  HIS ASP TRP LEU GLY SER ASP VAL TRP TYR ALA HIS LEU          
SEQRES  23 A  492  VAL LYS VAL ASP ALA ASP GLU ILE ALA LEU LEU ALA GLN          
SEQRES  24 A  492  THR GLY THR GLY VAL ALA HIS CYS PRO GLN SER ASN GLY          
SEQRES  25 A  492  ARG LEU GLY SER GLY ILE CYS PRO VAL ARG GLU MET ALA          
SEQRES  26 A  492  ASP ALA GLY VAL PRO VAL SER ILE GLY VAL ASP GLY ALA          
SEQRES  27 A  492  ALA SER ASN GLU ALA ALA ASP MET ILE SER GLU VAL HIS          
SEQRES  28 A  492  MET THR TRP LEU ALA GLN ARG ALA ARG LEU GLY MET LEU          
SEQRES  29 A  492  ALA GLN PRO ALA TYR ARG GLY GLY SER PHE GLU GLY GLY          
SEQRES  30 A  492  ALA GLY ALA ALA SER ILE ALA GLU VAL ILE HIS TRP GLY          
SEQRES  31 A  492  THR ALA GLY GLY ALA ARG VAL MET GLY LEU ASP GLU VAL          
SEQRES  32 A  492  GLY LYS VAL ALA VAL GLY TYR ALA ALA ASP ILE ALA VAL          
SEQRES  33 A  492  TYR ARG LEU ASP ASP PRO ARG TYR PHE GLY LEU HIS ASP          
SEQRES  34 A  492  PRO ALA ILE GLY PRO VAL ALA SER GLY GLY ARG PRO SER          
SEQRES  35 A  492  VAL MET ALA LEU PHE SER ALA GLY LYS ARG VAL VAL VAL          
SEQRES  36 A  492  ASP ASP LEU ILE GLU GLY VAL ASP ILE LYS GLU LEU GLY          
SEQRES  37 A  492  GLY GLU ALA ARG ARG VAL VAL ARG GLU LEU LEU ARG GLU          
SEQRES  38 A  492  VAL VAL VAL GLU GLY HIS HIS HIS HIS HIS HIS                  
HET     ZN  A 493       1                                                       
HETNAM      ZN ZINC ION                                                         
FORMUL   2   ZN    ZN 2+                                                        
FORMUL   3  HOH   *85(H2 O)                                                     
HELIX    1   1 HIS A   78  LEU A   84  5                                   7    
HELIX    2   2 PHE A  106  PHE A  110  5                                   5    
HELIX    3   3 ASP A  111  ARG A  128  1                                  18    
HELIX    4   4 ASP A  148  LEU A  160  1                                  13    
HELIX    5   5 PRO A  182  ARG A  186  5                                   5    
HELIX    6   6 THR A  189  TYR A  204  1                                  16    
HELIX    7   7 SER A  227  LEU A  241  1                                  15    
HELIX    8   8 SER A  266  HIS A  274  1                                   9    
HELIX    9   9 ASP A  290  GLY A  301  1                                  12    
HELIX   10  10 CYS A  307  ARG A  313  1                                   7    
HELIX   11  11 GLU A  323  GLY A  328  1                                   6    
HELIX   12  12 ASP A  336  ASN A  341  1                                   6    
HELIX   13  13 ASP A  345  ARG A  360  1                                  16    
HELIX   14  14 SER A  382  THR A  391  1                                  10    
HELIX   15  15 THR A  391  GLY A  399  1                                   9    
HELIX   16  16 ASP A  421  PHE A  425  5                                   5    
HELIX   17  17 ASP A  429  ALA A  431  5                                   3    
HELIX   18  18 ILE A  432  SER A  437  1                                   6    
HELIX   19  19 ASP A  463  VAL A  484  1                                  22    
SHEET    1   A 4 THR A  45  ILE A  49  0                                        
SHEET    2   A 4 ILE A  39  VAL A  42 -1  N  ARG A  40   O  ASP A  47           
SHEET    3   A 4 SER A  11  ARG A  15 -1  N  THR A  12   O  ILE A  41           
SHEET    4   A 4 THR A  59  ASP A  62  1  O  THR A  59   N  LEU A  13           
SHEET    1   B 5 ALA A  19  ILE A  20  0                                        
SHEET    2   B 5 VAL A  67  PRO A  70  1  O  ILE A  68   N  ALA A  19           
SHEET    3   B 5 ILE A 414  ARG A 418 -1  O  TYR A 417   N  VAL A  67           
SHEET    4   B 5 SER A 442  SER A 448 -1  O  ALA A 445   N  VAL A 416           
SHEET    5   B 5 LYS A 451  VAL A 455 -1  O  LYS A 451   N  SER A 448           
SHEET    1   C 8 TRP A  72  VAL A  73  0                                        
SHEET    2   C 8 CYS A 131  ASP A 136  1  O  ALA A 132   N  TRP A  72           
SHEET    3   C 8 ARG A 163  ARG A 168  1  O  LEU A 167   N  ASP A 136           
SHEET    4   C 8 ARG A 213  MET A 217  1  O  ARG A 214   N  LEU A 166           
SHEET    5   C 8 ARG A 244  HIS A 248  1  O  HIS A 246   N  MET A 217           
SHEET    6   C 8 VAL A 281  ALA A 284  1  O  ALA A 284   N  SER A 247           
SHEET    7   C 8 GLY A 303  HIS A 306  1  O  ALA A 305   N  TYR A 283           
SHEET    8   C 8 VAL A 331  ILE A 333  1  O  SER A 332   N  HIS A 306           
LINK         NE2 HIS A  76                ZN    ZN A 493     1555   1555  2.29  
LINK         NE2 HIS A  78                ZN    ZN A 493     1555   1555  2.06  
LINK         NE2 HIS A 248                ZN    ZN A 493     1555   1555  2.06  
LINK         OD1 ASP A 336                ZN    ZN A 493     1555   1555  2.04  
LINK        ZN    ZN A 493                 O   HOH A 551     1555   1555  2.66  
SITE     1 AC1  6 HIS A  76  HIS A  78  HIS A 248  HIS A 285                    
SITE     2 AC1  6 ASP A 336  HOH A 551                                          
CRYST1   88.872   88.872  161.867  90.00  90.00 120.00 P 31 2 1      6          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.011252  0.006496  0.000000        0.00000                         
SCALE2      0.000000  0.012993  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.006178        0.00000