HEADER    HYDROLASE                               15-NOV-10   3PLW              
TITLE     REF PROTEIN FROM P1 BACTERIOPHAGE                                     
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: RECOMBINATION ENHANCEMENT FUNCTION PROTEIN;                
COMPND   3 CHAIN: A;                                                            
COMPND   4 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ENTEROBACTERIA PHAGE P1;                        
SOURCE   3 ORGANISM_COMMON: BACTERIOPHAGE P1;                                   
SOURCE   4 ORGANISM_TAXID: 10678;                                               
SOURCE   5 GENE: REF;                                                           
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562                                         
KEYWDS    HNH NUCLEASE, DNASE, HYDROLASE                                        
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    J.L.KECK,D.LU,M.M.COX                                                 
REVDAT   6   21-FEB-24 3PLW    1       REMARK LINK                              
REVDAT   5   07-FEB-18 3PLW    1       REMARK                                   
REVDAT   4   08-NOV-17 3PLW    1       REMARK                                   
REVDAT   3   23-MAR-11 3PLW    1       JRNL                                     
REVDAT   2   19-JAN-11 3PLW    1       JRNL                                     
REVDAT   1   29-DEC-10 3PLW    0                                                
JRNL        AUTH   M.C.GRUENIG,D.LU,S.J.WON,C.L.DULBERGER,A.J.MANLICK,J.L.KECK, 
JRNL        AUTH 2 M.M.COX                                                      
JRNL        TITL   CREATING DIRECTED DOUBLE-STRAND BREAKS WITH THE REF PROTEIN: 
JRNL        TITL 2 A NOVEL RECA-DEPENDENT NUCLEASE FROM BACTERIOPHAGE P1.       
JRNL        REF    J.BIOL.CHEM.                  V. 286  8240 2011              
JRNL        REFN                   ISSN 0021-9258                               
JRNL        PMID   21193392                                                     
JRNL        DOI    10.1074/JBC.M110.205088                                      
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.40 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.5.0102                                      
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.40                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 40.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 95.9                           
REMARK   3   NUMBER OF REFLECTIONS             : 30628                          
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) : 0.164                           
REMARK   3   R VALUE            (WORKING SET) : 0.163                           
REMARK   3   FREE R VALUE                     : 0.172                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.100                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1556                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 20                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 1.40                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.44                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 1608                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 72.90                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2790                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 84                           
REMARK   3   BIN FREE R VALUE                    : 0.3100                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 853                                     
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 7                                       
REMARK   3   SOLVENT ATOMS            : 126                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 15.70                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.56000                                              
REMARK   3    B22 (A**2) : 0.56000                                              
REMARK   3    B33 (A**2) : -0.84000                                             
REMARK   3    B12 (A**2) : 0.28000                                              
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): 0.047         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.027         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 0.684         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.967                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.969                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):   960 ; 0.008 ; 0.021       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  1316 ; 1.183 ; 1.953       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   127 ; 5.560 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):    44 ;34.273 ;22.727       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   171 ;11.685 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):     8 ;15.447 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   140 ; 0.079 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):   741 ; 0.006 ; 0.021       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):  NULL ;  NULL ;  NULL       
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):   581 ; 0.660 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):   943 ; 1.244 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):   379 ; 2.120 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):   362 ; 3.662 ; 4.500       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3 ANISOTROPIC THERMAL FACTOR RESTRAINTS.    COUNT   RMS   WEIGHT       
REMARK   3   RIGID-BOND RESTRAINTS          (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS STATISTICS                                           
REMARK   3   NUMBER OF DIFFERENT NCS GROUPS : NULL                              
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : MASK                                                 
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.40                                          
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 U VALUES : REFINED INDIVIDUALLY                           
REMARK   4                                                                      
REMARK   4 3PLW COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 16-NOV-10.                  
REMARK 100 THE DEPOSITION ID IS D_1000062533.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 18-FEB-10                          
REMARK 200  TEMPERATURE           (KELVIN) : 200                                
REMARK 200  PH                             : 8.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : APS                                
REMARK 200  BEAMLINE                       : 21-ID-G                            
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.97856                            
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : MARMOSAIC 300 MM CCD               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 30636                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.400                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 95.9                               
REMARK 200  DATA REDUNDANCY                : 13.10                              
REMARK 200  R MERGE                    (I) : 0.08600                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 10.0000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.40                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.42                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 69.4                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 5.60                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.43500                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SAD                          
REMARK 200 SOFTWARE USED: RESOLVE 2.15, PHENIX                                  
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 34.73                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.88                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 0.2 M AMMONIUM NITRATE, 20% PEG3350,     
REMARK 280  0.01 M TRIS-HCL, PH 8.0, 100 MM SODIUM CHLORIDE, VAPOR DIFFUSION,   
REMARK 280  HANGING DROP                                                        
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 32 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+2/3                                            
REMARK 290       3555   -X+Y,-X,Z+1/3                                           
REMARK 290       4555   Y,X,-Z                                                  
REMARK 290       5555   X-Y,-Y,-Z+1/3                                           
REMARK 290       6555   -X,-X+Y,-Z+2/3                                          
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       36.15733            
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       18.07867            
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       18.07867            
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       36.15733            
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     1                                                      
REMARK 465     LYS A     2                                                      
REMARK 465     THR A     3                                                      
REMARK 465     ILE A     4                                                      
REMARK 465     GLU A     5                                                      
REMARK 465     GLN A     6                                                      
REMARK 465     LYS A     7                                                      
REMARK 465     ILE A     8                                                      
REMARK 465     GLU A     9                                                      
REMARK 465     GLN A    10                                                      
REMARK 465     CYS A    11                                                      
REMARK 465     ARG A    12                                                      
REMARK 465     LYS A    13                                                      
REMARK 465     TRP A    14                                                      
REMARK 465     GLN A    15                                                      
REMARK 465     LYS A    16                                                      
REMARK 465     ALA A    17                                                      
REMARK 465     ALA A    18                                                      
REMARK 465     ARG A    19                                                      
REMARK 465     GLU A    20                                                      
REMARK 465     ARG A    21                                                      
REMARK 465     ALA A    22                                                      
REMARK 465     ILE A    23                                                      
REMARK 465     ALA A    24                                                      
REMARK 465     ARG A    25                                                      
REMARK 465     GLN A    26                                                      
REMARK 465     ARG A    27                                                      
REMARK 465     GLU A    28                                                      
REMARK 465     LYS A    29                                                      
REMARK 465     LEU A    30                                                      
REMARK 465     ALA A    31                                                      
REMARK 465     ASP A    32                                                      
REMARK 465     PRO A    33                                                      
REMARK 465     VAL A    34                                                      
REMARK 465     TRP A    35                                                      
REMARK 465     ARG A    36                                                      
REMARK 465     GLU A    37                                                      
REMARK 465     SER A    38                                                      
REMARK 465     GLN A    39                                                      
REMARK 465     TYR A    40                                                      
REMARK 465     GLN A    41                                                      
REMARK 465     LYS A    42                                                      
REMARK 465     MET A    43                                                      
REMARK 465     ARG A    44                                                      
REMARK 465     ASP A    45                                                      
REMARK 465     THR A    46                                                      
REMARK 465     LEU A    47                                                      
REMARK 465     ASP A    48                                                      
REMARK 465     ARG A    49                                                      
REMARK 465     ARG A    50                                                      
REMARK 465     ILE A    51                                                      
REMARK 465     ALA A    52                                                      
REMARK 465     LYS A    53                                                      
REMARK 465     GLN A    54                                                      
REMARK 465     LYS A    55                                                      
REMARK 465     GLU A    56                                                      
REMARK 465     ARG A    57                                                      
REMARK 465     PRO A    58                                                      
REMARK 465     PRO A    59                                                      
REMARK 465     ALA A    60                                                      
REMARK 465     SER A    61                                                      
REMARK 465     LYS A    62                                                      
REMARK 465     THR A    63                                                      
REMARK 465     ARG A    64                                                      
REMARK 465     LYS A    65                                                      
REMARK 465     SER A    66                                                      
REMARK 465     ALA A    67                                                      
REMARK 465     VAL A    68                                                      
REMARK 465     LYS A    69                                                      
REMARK 465     ILE A    70                                                      
REMARK 465     LYS A    71                                                      
REMARK 465     SER A    72                                                      
REMARK 465     ARG A    73                                                      
REMARK 465     GLY A    74                                                      
REMARK 465     LEU A    75                                                      
REMARK 465     LYS A    76                                                      
REMARK 470                                                                      
REMARK 470 MISSING ATOM                                                         
REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 470 I=INSERTION CODE):                                                   
REMARK 470   M RES CSSEQI  ATOMS                                                
REMARK 470     HIS A 186    O                                                   
REMARK 480                                                                      
REMARK 480 ZERO OCCUPANCY ATOM                                                  
REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO                  
REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS                
REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME;              
REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):         
REMARK 480   M RES C SSEQI ATOMS                                                
REMARK 480     THR A   79   CA   CB   OG1  CG2                                  
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   OG   SER A   106     O    HOH A   229     2654     2.05            
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    LYS A 125       70.91   -107.47                                   
REMARK 500    HIS A 134      -69.08    -99.15                                   
REMARK 500    ASN A 168     -115.03   -130.36                                   
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 188  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS A  96   SG                                                     
REMARK 620 2 CYS A  99   SG  114.4                                              
REMARK 620 3 CYS A 130   SG  115.7 112.7                                        
REMARK 620 4 HIS A 133   ND1 100.7 106.4 105.3                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN A 187  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A 112   ND1                                                    
REMARK 620 2 HIS A 134   NE2 103.1                                              
REMARK 620 3 HIS A 153   NE2 103.6 106.1                                        
REMARK 620 4 SO4 A 189   O4  107.0 108.1 126.6                                  
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 187                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 188                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 189                 
DBREF  3PLW A    1   186  UNP    P35926   REF_BPP1         1    186             
SEQRES   1 A  186  MET LYS THR ILE GLU GLN LYS ILE GLU GLN CYS ARG LYS          
SEQRES   2 A  186  TRP GLN LYS ALA ALA ARG GLU ARG ALA ILE ALA ARG GLN          
SEQRES   3 A  186  ARG GLU LYS LEU ALA ASP PRO VAL TRP ARG GLU SER GLN          
SEQRES   4 A  186  TYR GLN LYS MET ARG ASP THR LEU ASP ARG ARG ILE ALA          
SEQRES   5 A  186  LYS GLN LYS GLU ARG PRO PRO ALA SER LYS THR ARG LYS          
SEQRES   6 A  186  SER ALA VAL LYS ILE LYS SER ARG GLY LEU LYS GLY ARG          
SEQRES   7 A  186  THR PRO THR ALA GLU GLU ARG ARG ILE ALA ASN ALA LEU          
SEQRES   8 A  186  GLY ALA LEU PRO CYS ILE ALA CYS TYR MET HIS GLY VAL          
SEQRES   9 A  186  ILE SER ASN GLU VAL SER LEU HIS HIS ILE ALA GLY ARG          
SEQRES  10 A  186  THR ALA PRO GLY CYS HIS LYS LYS GLN LEU PRO LEU CYS          
SEQRES  11 A  186  ARG TRP HIS HIS GLN HIS ALA ALA PRO ALA GLU VAL ARG          
SEQRES  12 A  186  GLU LYS TYR PRO TRP LEU VAL PRO VAL HIS ALA ASP GLY          
SEQRES  13 A  186  VAL VAL GLY GLY LYS LYS GLU PHE THR LEU LEU ASN LYS          
SEQRES  14 A  186  SER GLU MET GLU LEU LEU ALA ASP ALA TYR GLU MET ALA          
SEQRES  15 A  186  ASN ILE MET HIS                                              
HET     ZN  A 187       1                                                       
HET     ZN  A 188       1                                                       
HET    SO4  A 189       5                                                       
HETNAM      ZN ZINC ION                                                         
HETNAM     SO4 SULFATE ION                                                      
FORMUL   2   ZN    2(ZN 2+)                                                     
FORMUL   4  SO4    O4 S 2-                                                      
FORMUL   5  HOH   *126(H2 O)                                                    
HELIX    1   1 THR A   81  ALA A   93  1                                  13    
HELIX    2   2 CYS A   96  HIS A  102  1                                   7    
HELIX    3   3 GLY A  121  LYS A  124  5                                   4    
HELIX    4   4 ARG A  131  GLN A  135  1                                   5    
HELIX    5   5 PRO A  139  TYR A  146  1                                   8    
HELIX    6   6 GLY A  160  ASN A  168  1                                   9    
HELIX    7   7 SER A  170  ALA A  182  1                                  13    
SHEET    1   A 2 VAL A 109  HIS A 113  0                                        
SHEET    2   A 2 GLN A 126  CYS A 130 -1  O  LEU A 129   N  SER A 110           
LINK         SG  CYS A  96                ZN    ZN A 188     1555   1555  2.35  
LINK         SG  CYS A  99                ZN    ZN A 188     1555   1555  2.29  
LINK         ND1 HIS A 112                ZN    ZN A 187     1555   1555  2.08  
LINK         SG  CYS A 130                ZN    ZN A 188     1555   1555  2.36  
LINK         ND1 HIS A 133                ZN    ZN A 188     1555   1555  2.09  
LINK         NE2 HIS A 134                ZN    ZN A 187     1555   1555  2.05  
LINK         NE2 HIS A 153                ZN    ZN A 187     1555   1555  2.03  
LINK        ZN    ZN A 187                 O4  SO4 A 189     1555   1555  1.92  
SITE     1 AC1  4 HIS A 112  HIS A 134  HIS A 153  SO4 A 189                    
SITE     1 AC2  4 CYS A  96  CYS A  99  CYS A 130  HIS A 133                    
SITE     1 AC3  8 HIS A 112  HIS A 113  ARG A 117  HIS A 134                    
SITE     2 AC3  8 HIS A 153   ZN A 187  HOH A 270  HOH A 271                    
CRYST1   71.733   71.733   54.236  90.00  90.00 120.00 P 32 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      0.013941  0.008049  0.000000        0.00000                         
SCALE2      0.000000  0.016097  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.018438        0.00000