HEADER    GENE REGULATION                         15-JUL-08   3DTK              
TITLE     CRYSTAL STRUCTURE OF THE IRRE PROTEIN, A CENTRAL REGULATOR OF DNA     
TITLE    2 DAMAGE REPAIR IN DEINOCOCCACEAE                                      
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: IRRE PROTEIN;                                              
COMPND   3 CHAIN: A;                                                            
COMPND   4 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: DEINOCOCCUS DESERTI;                            
SOURCE   3 ORGANISM_TAXID: 310783;                                              
SOURCE   4 GENE: IRRE;                                                          
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   7 EXPRESSION_SYSTEM_STRAIN: BL21;                                      
SOURCE   8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   9 EXPRESSION_SYSTEM_PLASMID: PET-TEV                                   
KEYWDS    IRRE, DEINOCOCCUS, RADIOTOLERANCE, GENE REGULATION, METALLOPEPTIDASE  
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    A.VUJICIC-ZAGAR,R.DULERMO,M.LE GORREC,F.VANNIER,P.SERVANT,S.SOMMER,   
AUTHOR   2 A.DE GROOT,L.SERRE                                                   
REVDAT   3   01-NOV-23 3DTK    1       REMARK SEQADV                            
REVDAT   2   24-MAR-09 3DTK    1       JRNL                                     
REVDAT   1   17-FEB-09 3DTK    0                                                
JRNL        AUTH   A.VUJICIC-ZAGAR,R.DULERMO,M.LE GORREC,F.VANNIER,P.SERVANT,   
JRNL        AUTH 2 S.SOMMER,A.DE GROOT,L.SERRE                                  
JRNL        TITL   CRYSTAL STRUCTURE OF THE IRRE PROTEIN, A CENTRAL REGULATOR   
JRNL        TITL 2 OF DNA DAMAGE REPAIR IN DEINOCOCCACEAE                       
JRNL        REF    J.MOL.BIOL.                   V. 386   704 2009              
JRNL        REFN                   ISSN 0022-2836                               
JRNL        PMID   19150362                                                     
JRNL        DOI    10.1016/J.JMB.2008.12.062                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    3.24 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) : 3.24                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 19.83                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 96.8                           
REMARK   3   NUMBER OF REFLECTIONS             : 4581                           
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) : 0.229                           
REMARK   3   R VALUE            (WORKING SET) : 0.226                           
REMARK   3   FREE R VALUE                     : 0.277                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.600                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 222                             
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) : 3.24                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 3.32                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 336                          
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 98.32                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3030                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 15                           
REMARK   3   BIN FREE R VALUE                    : 0.3680                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1873                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 3                                       
REMARK   3   SOLVENT ATOMS            : 0                                       
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 89.00                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 75.98                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.04000                                              
REMARK   3    B22 (A**2) : -0.12000                                             
REMARK   3    B33 (A**2) : 0.08000                                              
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): NULL          
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.590         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.424         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 26.060        
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.933                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.883                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  1917 ; 0.007 ; 0.021       
REMARK   3   BOND LENGTHS OTHERS               (A):  1299 ; 0.001 ; 0.020       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  2602 ; 0.867 ; 1.987       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  3146 ; 0.673 ; 3.000       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   245 ; 4.469 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):    82 ;34.009 ;22.195       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   300 ;17.240 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    21 ;14.230 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   301 ; 0.048 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  2150 ; 0.002 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):   392 ; 0.001 ; 0.020       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):   571 ; 0.257 ; 0.300       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  1479 ; 0.219 ; 0.300       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):   931 ; 0.190 ; 0.500       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  1056 ; 0.093 ; 0.500       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):    95 ; 0.197 ; 0.500       
REMARK   3   H-BOND (X...Y) OTHERS             (A):     4 ; 0.082 ; 0.500       
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):    11 ; 0.165 ; 0.300       
REMARK   3   SYMMETRY VDW OTHERS               (A):    32 ; 0.265 ; 0.300       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):     5 ; 0.213 ; 0.500       
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):  1599 ; 0.732 ; 2.000       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):   493 ; 0.058 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  1975 ; 0.801 ; 3.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):   754 ; 0.314 ; 2.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):   627 ; 0.399 ; 3.000       
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 3DTK COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 18-JUL-08.                  
REMARK 100 THE DEPOSITION ID IS D_1000048470.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : NULL                               
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ESRF                               
REMARK 200  BEAMLINE                       : ID14-2                             
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.93300                            
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 4                     
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : MOSFLM                             
REMARK 200  DATA SCALING SOFTWARE          : SCALA                              
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 4827                               
REMARK 200  RESOLUTION RANGE HIGH      (A) : 3.240                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 40.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 97.7                               
REMARK 200  DATA REDUNDANCY                : 4.500                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.09500                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 13.1000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 3.24                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 3.42                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 97.9                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 4.70                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : 0.59800                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.200                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: NULL                                                  
REMARK 200 STARTING MODEL: PDB ENTRY 3DTE                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 45.25                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.25                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 20% PEG 3350, 0.2M POTASSIUM FLUORIDE,   
REMARK 280  PH 7.5, VAPOR DIFFUSION, TEMPERATURE 281K                           
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 2                        
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       43.63000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       26.33600            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       43.63000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       26.33600            
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: MONOMERIC                         
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PISA                                                  
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 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   -19                                                      
REMARK 465     GLY A   -18                                                      
REMARK 465     SER A   -17                                                      
REMARK 465     SER A   -16                                                      
REMARK 465     HIS A   -15                                                      
REMARK 465     HIS A   -14                                                      
REMARK 465     HIS A   -13                                                      
REMARK 465     HIS A   -12                                                      
REMARK 465     HIS A   -11                                                      
REMARK 465     HIS A   -10                                                      
REMARK 465     SER A    -9                                                      
REMARK 465     SER A    -8                                                      
REMARK 465     GLY A    -7                                                      
REMARK 465     GLU A    -6                                                      
REMARK 465     ASN A    -5                                                      
REMARK 465     LEU A    -4                                                      
REMARK 465     TYR A    -3                                                      
REMARK 465     PHE A    -2                                                      
REMARK 465     GLN A    -1                                                      
REMARK 465     GLY A     0                                                      
REMARK 465     MET A     1                                                      
REMARK 465     THR A     2                                                      
REMARK 465     ASP A     3                                                      
REMARK 465     PRO A     4                                                      
REMARK 465     ALA A     5                                                      
REMARK 465     PRO A     6                                                      
REMARK 465     PRO A     7                                                      
REMARK 465     GLN A   180                                                      
REMARK 465     GLU A   181                                                      
REMARK 465     ASP A   182                                                      
REMARK 465     GLU A   183                                                      
REMARK 465     GLY A   184                                                      
REMARK 465     GLU A   185                                                      
REMARK 465     GLY A   186                                                      
REMARK 465     GLY A   187                                                      
REMARK 465     GLY A   188                                                      
REMARK 465     ALA A   264                                                      
REMARK 465     GLY A   265                                                      
REMARK 465     ARG A   266                                                      
REMARK 465     SER A   267                                                      
REMARK 465     GLU A   268                                                      
REMARK 465     PRO A   269                                                      
REMARK 465     ASP A   270                                                      
REMARK 465     ALA A   271                                                      
REMARK 465     ASP A   272                                                      
REMARK 465     LYS A   273                                                      
REMARK 465     PRO A   274                                                      
REMARK 465     GLU A   275                                                      
REMARK 465     ALA A   276                                                      
REMARK 465     PRO A   277                                                      
REMARK 465     GLY A   278                                                      
REMARK 465     ASP A   279                                                      
REMARK 465     GLN A   280                                                      
REMARK 465     SER A   281                                                      
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    SER A  24      -72.93    -63.18                                   
REMARK 500    ASP A  42       73.85    -63.38                                   
REMARK 500    GLN A  53       62.14   -114.28                                   
REMARK 500    GLU A  74      -70.17    -46.07                                   
REMARK 500    ASP A 101       62.25   -119.07                                   
REMARK 500    GLU A 102      -29.55    179.83                                   
REMARK 500    GLU A 128      -72.23    -41.10                                   
REMARK 500    ALA A 173      137.38   -171.64                                   
REMARK 500    THR A 225        5.95    -67.15                                   
REMARK 500    ARG A 226       45.01     39.56                                   
REMARK 500    PRO A 228      163.35    -49.27                                   
REMARK 500    ALA A 230      115.39    160.41                                   
REMARK 500    SER A 233     -140.58   -165.18                                   
REMARK 500    ARG A 238      -55.06    -24.29                                   
REMARK 500    SER A 239      -71.30    -35.91                                   
REMARK 500    ALA A 245      153.49    175.88                                   
REMARK 500    GLU A 252     -129.61   -167.96                                   
REMARK 500    ARG A 253       48.74    -65.12                                   
REMARK 500    ALA A 261       91.72    -65.13                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 600                                                                      
REMARK 600 HETEROGEN                                                            
REMARK 600                                                                      
REMARK 600 ZINC HAS BEEN INTRODUCED BY SOAKING THE NATIVE CRYSTALS INTO 10MM    
REMARK 600 ZNSO4 FOR 2 MINUTES. ONE CHLORIDE ION HAS BEEN MODELED BUT THIS      
REMARK 600 POSITION MAY CORRESPOND TO A MIXTURE OF CHLORIDE ION AND WATER       
REMARK 600 MOLECULE.                                                            
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 283  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A  82   NE2                                                    
REMARK 620 2 GLU A 113   OE1 133.9                                              
REMARK 620 3 GLU A 113   OE2  72.1  66.4                                        
REMARK 620 N                    1     2                                         
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL A 282                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 283                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 284                  
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 3DTE   RELATED DB: PDB                                   
REMARK 900 APO FORM, SELENIO-PROTEIN                                            
REMARK 900 RELATED ID: 3DTI   RELATED DB: PDB                                   
REMARK 900 ONE ZINC BOUND FORM                                                  
DBREF  3DTK A    1   281  UNP    B5B9W8   B5B9W8_9DEIO     1    281             
SEQADV 3DTK MET A  -19  UNP  B5B9W8              EXPRESSION TAG                 
SEQADV 3DTK GLY A  -18  UNP  B5B9W8              EXPRESSION TAG                 
SEQADV 3DTK SER A  -17  UNP  B5B9W8              EXPRESSION TAG                 
SEQADV 3DTK SER A  -16  UNP  B5B9W8              EXPRESSION TAG                 
SEQADV 3DTK HIS A  -15  UNP  B5B9W8              EXPRESSION TAG                 
SEQADV 3DTK HIS A  -14  UNP  B5B9W8              EXPRESSION TAG                 
SEQADV 3DTK HIS A  -13  UNP  B5B9W8              EXPRESSION TAG                 
SEQADV 3DTK HIS A  -12  UNP  B5B9W8              EXPRESSION TAG                 
SEQADV 3DTK HIS A  -11  UNP  B5B9W8              EXPRESSION TAG                 
SEQADV 3DTK HIS A  -10  UNP  B5B9W8              EXPRESSION TAG                 
SEQADV 3DTK SER A   -9  UNP  B5B9W8              EXPRESSION TAG                 
SEQADV 3DTK SER A   -8  UNP  B5B9W8              EXPRESSION TAG                 
SEQADV 3DTK GLY A   -7  UNP  B5B9W8              EXPRESSION TAG                 
SEQADV 3DTK GLU A   -6  UNP  B5B9W8              EXPRESSION TAG                 
SEQADV 3DTK ASN A   -5  UNP  B5B9W8              EXPRESSION TAG                 
SEQADV 3DTK LEU A   -4  UNP  B5B9W8              EXPRESSION TAG                 
SEQADV 3DTK TYR A   -3  UNP  B5B9W8              EXPRESSION TAG                 
SEQADV 3DTK PHE A   -2  UNP  B5B9W8              EXPRESSION TAG                 
SEQADV 3DTK GLN A   -1  UNP  B5B9W8              EXPRESSION TAG                 
SEQADV 3DTK GLY A    0  UNP  B5B9W8              EXPRESSION TAG                 
SEQRES   1 A  301  MET GLY SER SER HIS HIS HIS HIS HIS HIS SER SER GLY          
SEQRES   2 A  301  GLU ASN LEU TYR PHE GLN GLY MET THR ASP PRO ALA PRO          
SEQRES   3 A  301  PRO PRO THR ALA LEU ALA ALA ALA LYS ALA ARG MET ARG          
SEQRES   4 A  301  GLU LEU ALA ALA SER TYR GLY ALA GLY LEU PRO GLY ARG          
SEQRES   5 A  301  ASP THR HIS SER LEU MET HIS GLY LEU ASP GLY ILE THR          
SEQRES   6 A  301  LEU THR PHE MET PRO MET GLY GLN ARG ASP GLY ALA TYR          
SEQRES   7 A  301  ASP PRO GLU HIS HIS VAL ILE LEU ILE ASN SER GLN VAL          
SEQRES   8 A  301  ARG PRO GLU ARG GLN ARG PHE THR LEU ALA HIS GLU ILE          
SEQRES   9 A  301  SER HIS ALA LEU LEU LEU GLY ASP ASP ASP LEU LEU SER          
SEQRES  10 A  301  ASP LEU HIS ASP GLU TYR GLU GLY ASP ARG LEU GLU GLN          
SEQRES  11 A  301  VAL ILE GLU THR LEU CYS ASN VAL GLY ALA ALA ALA LEU          
SEQRES  12 A  301  LEU MET PRO ALA GLU LEU ILE ASP ASP LEU LEU THR ARG          
SEQRES  13 A  301  PHE GLY PRO THR GLY ARG ALA LEU ALA GLU LEU ALA ARG          
SEQRES  14 A  301  ARG ALA ASP VAL SER ALA THR SER ALA LEU TYR ALA LEU          
SEQRES  15 A  301  ALA GLU ARG THR ALA PRO PRO VAL ILE TYR ALA VAL CYS          
SEQRES  16 A  301  ALA LEU SER ARG GLN GLU ASP GLU GLY GLU GLY GLY GLY          
SEQRES  17 A  301  ALA LYS GLU LEU THR VAL ARG ALA SER SER ALA SER ALA          
SEQRES  18 A  301  GLY VAL LYS TYR SER LEU SER ALA GLY THR PRO VAL PRO          
SEQRES  19 A  301  ASP ASP HIS PRO ALA ALA LEU ALA LEU ASP THR ARG LEU          
SEQRES  20 A  301  PRO LEU ALA GLN ASP SER TYR VAL PRO PHE ARG SER GLY          
SEQRES  21 A  301  ARG ARG MET PRO ALA TYR VAL ASP ALA PHE PRO GLU ARG          
SEQRES  22 A  301  GLN ARG VAL LEU VAL SER PHE ALA LEU PRO ALA GLY ARG          
SEQRES  23 A  301  SER GLU PRO ASP ALA ASP LYS PRO GLU ALA PRO GLY ASP          
SEQRES  24 A  301  GLN SER                                                      
HET     CL  A 282       1                                                       
HET     ZN  A 283       1                                                       
HET     ZN  A 284       1                                                       
HETNAM      CL CHLORIDE ION                                                     
HETNAM      ZN ZINC ION                                                         
FORMUL   2   CL    CL 1-                                                        
FORMUL   3   ZN    2(ZN 2+)                                                     
HELIX    1   1 THR A    9  GLY A   28  1                                  20    
HELIX    2   2 ASP A   33  GLY A   40  1                                   8    
HELIX    3   3 ARG A   72  ASP A   92  1                                  21    
HELIX    4   4 ASP A   92  ASP A  101  1                                  10    
HELIX    5   5 GLY A  105  MET A  125  1                                  21    
HELIX    6   6 PRO A  126  PHE A  137  1                                  12    
HELIX    7   7 THR A  140  ASP A  152  1                                  13    
HELIX    8   8 SER A  154  GLU A  164  1                                  11    
HELIX    9   9 HIS A  217  THR A  225  1                                   9    
SHEET    1   A 3 THR A  45  MET A  49  0                                        
SHEET    2   A 3 VAL A  64  ASN A  68  1  O  ILE A  65   N  THR A  47           
SHEET    3   A 3 GLY A  56  ASP A  59 -1  N  ALA A  57   O  LEU A  66           
SHEET    1   B 6 PRO A 212  VAL A 213  0                                        
SHEET    2   B 6 LEU A 192  ALA A 199 -1  N  LEU A 192   O  VAL A 213           
SHEET    3   B 6 ILE A 171  LEU A 177 -1  N  ALA A 176   O  THR A 193           
SHEET    4   B 6 VAL A 256  ALA A 261 -1  O  VAL A 258   N  ALA A 173           
SHEET    5   B 6 ARG A 242  PRO A 251 -1  N  PHE A 250   O  LEU A 257           
SHEET    6   B 6 GLN A 231  PRO A 236 -1  N  VAL A 235   O  MET A 243           
LINK         NE2 HIS A  82                ZN    ZN A 283     1555   1555  2.07  
LINK         OE1 GLU A 113                ZN    ZN A 283     1555   1555  2.00  
LINK         OE2 GLU A 113                ZN    ZN A 283     1555   1555  2.00  
SITE     1 AC1  2 GLU A  83  GLU A 113                                          
SITE     1 AC2  2 HIS A  82  GLU A 113                                          
SITE     1 AC3  2 GLU A  83  HIS A  86                                          
CRYST1   87.260   52.672   63.221  90.00  90.00  90.00 P 21 21 2     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      0.011460  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.018985  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.015818        0.00000