HEADER    HYDROLASE/DNA                           16-MAY-00   1F0O              
TITLE     PVUII ENDONUCLEASE/COGNATE DNA COMPLEX (GLUTARALDEHYDE-CROSSLINKED    
TITLE    2 CRYSTAL) AT PH 7.5 WITH TWO CALCIUM IONS AT EACH ACTIVE SITE         
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: (5'-D(*TP*GP*AP*CP*CP*AP*GP*CP*TP*GP*GP*TP*C-3');          
COMPND   3 CHAIN: C, D;                                                         
COMPND   4 ENGINEERED: YES;                                                     
COMPND   5 OTHER_DETAILS: SELF-ANNEALING OLIGONUCLEOTIDE CONTAINING COGNATE SIX 
COMPND   6 BASE PAIR SEQUENCE;                                                  
COMPND   7 MOL_ID: 2;                                                           
COMPND   8 MOLECULE: TYPE II RESTRICTION ENZYME PVUII;                          
COMPND   9 CHAIN: A, B;                                                         
COMPND  10 SYNONYM: PVUII ENDONUCLEASE, R.PVUII;                                
COMPND  11 EC: 3.1.21.4;                                                        
COMPND  12 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 SYNTHETIC: YES;                                                      
SOURCE   3 MOL_ID: 2;                                                           
SOURCE   4 ORGANISM_SCIENTIFIC: PROTEUS VULGARIS;                               
SOURCE   5 ORGANISM_TAXID: 585;                                                 
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   9 EXPRESSION_SYSTEM_PLASMID: PPR594                                    
KEYWDS    PROTEIN-DNA COMPLEX, ENDONUCLEASE TYPE II, RESTRICTION ENZYME,        
KEYWDS   2 CATALYTIC METAL VISUALIZATION, HYDROLASE-DNA COMPLEX                 
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    J.R.HORTON,X.CHENG                                                    
REVDAT   4   07-FEB-24 1F0O    1       REMARK LINK                              
REVDAT   3   04-OCT-17 1F0O    1       REMARK                                   
REVDAT   2   24-FEB-09 1F0O    1       VERSN                                    
REVDAT   1   06-NOV-00 1F0O    0                                                
JRNL        AUTH   J.R.HORTON,X.CHENG                                           
JRNL        TITL   PVUII ENDONUCLEASE CONTAINS TWO CALCIUM IONS IN ACTIVE       
JRNL        TITL 2 SITES.                                                       
JRNL        REF    J.MOL.BIOL.                   V. 300  1049 2000              
JRNL        REFN                   ISSN 0022-2836                               
JRNL        PMID   10903853                                                     
JRNL        DOI    10.1006/JMBI.2000.3938                                       
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   J.R.HORTON,H.G.NASTRI,P.D.RIGGS,X.CHENG                      
REMARK   1  TITL   ASP34 OF PVUII ENDONUCLEASE IS DIRECTLY INVOLVED IN DNA      
REMARK   1  TITL 2 MINOR GROOVE RECOGNITION AND INDIRECTLY INVOLVED IN          
REMARK   1  TITL 3 CATALYSIS                                                    
REMARK   1  REF    J.MOL.BIOL.                   V. 284  1491 1998              
REMARK   1  REFN                   ISSN 0022-2836                               
REMARK   1  DOI    10.1006/JMBI.1998.2269                                       
REMARK   1 REFERENCE 2                                                          
REMARK   1  AUTH   J.R.HORTON,J.BONVENTRE,X.CHENG                               
REMARK   1  TITL   HOW IS MODIFICATION OF THE DNA SUBSTRATE RECOGNIZED BY THE   
REMARK   1  TITL 2 PVUII RESTRICTION ENDONUCLEASE?                              
REMARK   1  REF    BIOL.CHEM.                    V. 379   451 1998              
REMARK   1  REFN                   ISSN 1431-6730                               
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.50 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : X-PLOR 3.851                                         
REMARK   3   AUTHORS     : BRUNGER                                              
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.50                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 30.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 96.0                           
REMARK   3   NUMBER OF REFLECTIONS             : 12739                          
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) : 0.205                           
REMARK   3   FREE R VALUE                     : 0.279                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 10.000                          
REMARK   3   FREE R VALUE TEST SET COUNT      : 1241                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : NULL                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : NULL                         
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : NULL                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : NULL                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : NULL                         
REMARK   3   BIN FREE R VALUE                    : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : NULL                         
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : NULL                         
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2449                                    
REMARK   3   NUCLEIC ACID ATOMS       : 511                                     
REMARK   3   HETEROGEN ATOMS          : 4                                       
REMARK   3   SOLVENT ATOMS            : 190                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 23.70                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : NULL                           
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : NULL                            
REMARK   3   ESD FROM SIGMAA              (A) : NULL                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : NULL                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : NULL                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.006                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.300                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : NULL                            
REMARK   3   IMPROPER ANGLES        (DEGREES) : NULL                            
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : NULL                                      
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  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  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1F0O COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 16-MAY-00.                  
REMARK 100 THE DEPOSITION ID IS D_1000011100.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 14-FEB-99                          
REMARK 200  TEMPERATURE           (KELVIN) : 95                                 
REMARK 200  PH                             : 4.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : ROTATING ANODE                     
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : RIGAKU RU300                       
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : RIGAKU RAXIS IV                    
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : R-AXIS                             
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 13150                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.500                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 30.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : -3.000                             
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 98.9                               
REMARK 200  DATA REDUNDANCY                : 4.700                              
REMARK 200  R MERGE                    (I) : 0.05700                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 20.1000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.50                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.54                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 96.5                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.10                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.33200                            
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: NULL                         
REMARK 200 SOFTWARE USED: X-PLOR                                                
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 39.55                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.03                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 4000, SODIUM ACETATE, CACL2, PH      
REMARK 280  4.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 289K                
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21                       
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X+1/2,-Y,Z+1/2                                         
REMARK 290       3555   -X,Y+1/2,-Z+1/2                                         
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       47.02150            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       22.99650            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       42.35100            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       22.99650            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       47.02150            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       42.35100            
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 300 REMARK: THE BIOLOGICAL ASSEMBLY IS A DIMER CONSISTING OF             
REMARK 300 PROTEIN CHAIN A AND CHAIN B AND DOUBLE STRAINED DNA CONSISTING       
REMARK 300 OF CHAINS C AND D WITH TWO CA+2 AT EACH MONOMERIC ACTIVE SITE.       
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: TETRAMERIC                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: C, D, A, B                            
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 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     GLY A    53                                                      
REMARK 465     ARG A    54                                                      
REMARK 465     MET B     1                                                      
REMARK 465     SER B     2                                                      
REMARK 465     HIS B     3                                                      
REMARK 465     GLY B    53                                                      
REMARK 465     ARG B    54                                                      
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      DC D  14    C5'  C4'  O4'  C3'  O3'  C2'  C1'                   
REMARK 470      DC D  14    N1   C2   O2   N3   C4   N4   C5                    
REMARK 470      DC D  14    C6                                                  
REMARK 470     HIS A   3    CG   ND1  CD2  CE1  NE2                             
REMARK 470     LYS A   8    CG   CD   CE   NZ                                   
REMARK 470     PRO A  52    O                                                   
REMARK 470     GLU A  55    CG   CD   OE1  OE2                                  
REMARK 470     LYS A  78    CG   CD   CE   NZ                                   
REMARK 470     GLN A  96    CG   CD   OE1  NE2                                  
REMARK 470     ARG A 105    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     LYS A 118    CG   CD   CE   NZ                                   
REMARK 470     LYS A 126    CG   CD   CE   NZ                                   
REMARK 470     LYS A 130    CG   CD   CE   NZ                                   
REMARK 470     TYR A 132    CG   CD1  CD2  CE1  CE2  CZ   OH                    
REMARK 470     LYS A 137    CG   CD   CE   NZ                                   
REMARK 470     GLU B  11    CG   CD   OE1  OE2                                  
REMARK 470     PRO B  52    O                                                   
REMARK 470     GLU B  55    CG   CD   OE1  OE2                                  
REMARK 470     ASN B  62    CG   OD1  ND2                                       
REMARK 470     LYS B  78    CG   CD   CE   NZ                                   
REMARK 470     LYS B  93    CG   CD   CE   NZ                                   
REMARK 470     LYS B 118    CG   CD   CE   NZ                                   
REMARK 470     LYS B 126    CG   CD   CE   NZ                                   
REMARK 470     ARG B 129    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     LYS B 137    CG   CD   CE   NZ                                   
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   O    HOH B   984     O    HOH B   985              2.05            
REMARK 500   O    HOH A   803     O    HOH B   975              2.18            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500     DC D   5   O4' -  C1' -  N1  ANGL. DEV. =   2.4 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    THR A  82      -74.85   -124.93                                   
REMARK 500    TRP A 131      -70.41    -55.09                                   
REMARK 500    ASP A 134        5.87    -59.82                                   
REMARK 500    ASN A 141       70.97     49.90                                   
REMARK 500    ASP B  34       29.57     48.83                                   
REMARK 500    ILE B  74        2.19    -67.85                                   
REMARK 500    THR B  82      -66.71   -120.08                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: PLANAR GROUPS                                              
REMARK 500                                                                      
REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL                 
REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE                    
REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN                    
REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS                        
REMARK 500 AN RMSD GREATER THAN THIS VALUE                                      
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        RMS     TYPE                                    
REMARK 500     DG C   8         0.07    SIDE CHAIN                              
REMARK 500     DT D   2         0.07    SIDE CHAIN                              
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                              CA B 725  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1  DC C   9   OP1                                                    
REMARK 620 2 HOH C1028   O    96.5                                              
REMARK 620 3 GLU B  55   O    99.2  82.0                                        
REMARK 620 4 GLY B  56   O   147.1  98.3  54.3                                  
REMARK 620 5 ASP B  58   OD2  81.6 156.5 121.5  95.7                            
REMARK 620 6 ASP B  58   OD1  82.6 161.6  80.0  74.3  41.8                      
REMARK 620 7 GLU B  68   OE2  80.3  93.3 175.2 127.8  63.3 104.6                
REMARK 620 8 GLU B  68   OE1 124.4 100.6 135.3  81.4  62.9  95.0  46.4          
REMARK 620 N                    1     2     3     4     5     6     7           
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA B 761  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1  DC C   9   OP1                                                    
REMARK 620 2 HOH C 898   O    77.1                                              
REMARK 620 3 ASP B  58   OD2  93.2 164.6                                        
REMARK 620 4 GLU B  68   OE2  85.1 108.6  82.1                                  
REMARK 620 5 LEU B  69   O   163.4  92.8  93.7 110.8                            
REMARK 620 6 HOH B 762   O    91.2  83.5  84.8 166.1  74.5                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA A 701  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1  DC D   9   OP1                                                    
REMARK 620 2 ASP A  58   OD2  76.6                                              
REMARK 620 3 GLU A  68   OE2  82.3  65.3                                        
REMARK 620 4 LEU A  69   O   148.7  76.6 101.0                                  
REMARK 620 5 HOH A 847   O    85.7  77.9 143.0  72.9                            
REMARK 620 N                    1     2     3     4                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA A 784  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1  DC D   9   OP1                                                    
REMARK 620 2 HOH D 981   O    85.3                                              
REMARK 620 3 GLY A  56   O   142.0 125.3                                        
REMARK 620 4 ASP A  58   OD1  71.1 155.9  75.2                                  
REMARK 620 5 GLU A  68   OE1 111.3  99.9  87.1  93.1                            
REMARK 620 6 GLU A  68   OE2  72.6  82.3 127.7  94.5  41.6                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 701                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA B 725                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA B 761                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 784                  
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1EYU   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3PYI   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 2PYI   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 1PVI   RELATED DB: PDB                                   
DBREF  1F0O A    1   157  UNP    P23657   T2P2_PROVU       1    157             
DBREF  1F0O B    1   157  UNP    P23657   T2P2_PROVU       1    157             
DBREF  1F0O C    2    14  PDB    1F0O     1F0O             2     14             
DBREF  1F0O D    2    14  PDB    1F0O     1F0O             2     14             
SEQRES   1 C   13   DT  DG  DA  DC  DC  DA  DG  DC  DT  DG  DG  DT  DC          
SEQRES   1 D   13   DT  DG  DA  DC  DC  DA  DG  DC  DT  DG  DG  DT  DC          
SEQRES   1 A  157  MET SER HIS PRO ASP LEU ASN LYS LEU LEU GLU LEU TRP          
SEQRES   2 A  157  PRO HIS ILE GLN GLU TYR GLN ASP LEU ALA LEU LYS HIS          
SEQRES   3 A  157  GLY ILE ASN ASP ILE PHE GLN ASP ASN GLY GLY LYS LEU          
SEQRES   4 A  157  LEU GLN VAL LEU LEU ILE THR GLY LEU THR VAL LEU PRO          
SEQRES   5 A  157  GLY ARG GLU GLY ASN ASP ALA VAL ASP ASN ALA GLY GLN          
SEQRES   6 A  157  GLU TYR GLU LEU LYS SER ILE ASN ILE ASP LEU THR LYS          
SEQRES   7 A  157  GLY PHE SER THR HIS HIS HIS MET ASN PRO VAL ILE ILE          
SEQRES   8 A  157  ALA LYS TYR ARG GLN VAL PRO TRP ILE PHE ALA ILE TYR          
SEQRES   9 A  157  ARG GLY ILE ALA ILE GLU ALA ILE TYR ARG LEU GLU PRO          
SEQRES  10 A  157  LYS ASP LEU GLU PHE TYR TYR ASP LYS TRP GLU ARG LYS          
SEQRES  11 A  157  TRP TYR SER ASP GLY HIS LYS ASP ILE ASN ASN PRO LYS          
SEQRES  12 A  157  ILE PRO VAL LYS TYR VAL MET GLU HIS GLY THR LYS ILE          
SEQRES  13 A  157  TYR                                                          
SEQRES   1 B  157  MET SER HIS PRO ASP LEU ASN LYS LEU LEU GLU LEU TRP          
SEQRES   2 B  157  PRO HIS ILE GLN GLU TYR GLN ASP LEU ALA LEU LYS HIS          
SEQRES   3 B  157  GLY ILE ASN ASP ILE PHE GLN ASP ASN GLY GLY LYS LEU          
SEQRES   4 B  157  LEU GLN VAL LEU LEU ILE THR GLY LEU THR VAL LEU PRO          
SEQRES   5 B  157  GLY ARG GLU GLY ASN ASP ALA VAL ASP ASN ALA GLY GLN          
SEQRES   6 B  157  GLU TYR GLU LEU LYS SER ILE ASN ILE ASP LEU THR LYS          
SEQRES   7 B  157  GLY PHE SER THR HIS HIS HIS MET ASN PRO VAL ILE ILE          
SEQRES   8 B  157  ALA LYS TYR ARG GLN VAL PRO TRP ILE PHE ALA ILE TYR          
SEQRES   9 B  157  ARG GLY ILE ALA ILE GLU ALA ILE TYR ARG LEU GLU PRO          
SEQRES  10 B  157  LYS ASP LEU GLU PHE TYR TYR ASP LYS TRP GLU ARG LYS          
SEQRES  11 B  157  TRP TYR SER ASP GLY HIS LYS ASP ILE ASN ASN PRO LYS          
SEQRES  12 B  157  ILE PRO VAL LYS TYR VAL MET GLU HIS GLY THR LYS ILE          
SEQRES  13 B  157  TYR                                                          
HET     CA  A 701       1                                                       
HET     CA  A 784       1                                                       
HET     CA  B 725       1                                                       
HET     CA  B 761       1                                                       
HETNAM      CA CALCIUM ION                                                      
FORMUL   5   CA    4(CA 2+)                                                     
FORMUL   9  HOH   *190(H2 O)                                                    
HELIX    1   1 ASP A    5  LYS A   25  1                                  21    
HELIX    2   2 ASN A   35  GLY A   47  1                                  13    
HELIX    3   3 ASN A   87  GLN A   96  1                                  10    
HELIX    4   4 GLU A  116  ASP A  134  1                                  19    
HELIX    5   5 VAL A  146  GLY A  153  1                                   8    
HELIX    6   6 PRO B    4  HIS B   26  1                                  23    
HELIX    7   7 ASN B   35  GLY B   47  1                                  13    
HELIX    8   8 ASN B   87  ARG B   95  1                                   9    
HELIX    9   9 GLU B  116  ASP B  134  1                                  19    
HELIX   10  10 VAL B  146  GLY B  153  1                                   8    
SHEET    1   A 6 THR A  49  VAL A  50  0                                        
SHEET    2   A 6 ALA A  59  VAL A  60 -1  O  VAL A  60   N  THR A  49           
SHEET    3   A 6 GLU A  66  ASN A  73 -1  N  TYR A  67   O  ALA A  59           
SHEET    4   A 6 TRP A  99  ARG A 105  1  O  ILE A 100   N  LYS A  70           
SHEET    5   A 6 ALA A 108  LEU A 115 -1  O  ALA A 108   N  ARG A 105           
SHEET    6   A 6 THR A 154  LYS A 155 -1  N  THR A 154   O  ARG A 114           
SHEET    1   B 2 GLY A  79  PHE A  80  0                                        
SHEET    2   B 2 ILE A 144  PRO A 145 -1  O  ILE A 144   N  PHE A  80           
SHEET    1   C 5 THR B  49  VAL B  50  0                                        
SHEET    2   C 5 ALA B  59  VAL B  60 -1  O  VAL B  60   N  THR B  49           
SHEET    3   C 5 GLU B  66  ASN B  73 -1  N  TYR B  67   O  ALA B  59           
SHEET    4   C 5 TRP B  99  ARG B 105  1  O  ILE B 100   N  LYS B  70           
SHEET    5   C 5 ALA B 108  LEU B 115 -1  N  ALA B 108   O  ARG B 105           
SHEET    1   D 2 GLY B  79  PHE B  80  0                                        
SHEET    2   D 2 ILE B 144  PRO B 145 -1  O  ILE B 144   N  PHE B  80           
LINK         OP1  DC C   9                CA    CA B 725     1555   1555  2.32  
LINK         OP1  DC C   9                CA    CA B 761     1555   1555  2.59  
LINK         O   HOH C 898                CA    CA B 761     1555   1555  2.79  
LINK         O   HOH C1028                CA    CA B 725     1555   1555  2.49  
LINK         OP1  DC D   9                CA    CA A 701     1555   1555  2.56  
LINK         OP1  DC D   9                CA    CA A 784     1555   1555  2.56  
LINK         O   HOH D 981                CA    CA A 784     1555   1555  2.66  
LINK         O   GLY A  56                CA    CA A 784     1555   1555  2.64  
LINK         OD2 ASP A  58                CA    CA A 701     1555   1555  3.09  
LINK         OD1 ASP A  58                CA    CA A 784     1555   1555  3.06  
LINK         OE2 GLU A  68                CA    CA A 701     1555   1555  2.70  
LINK         OE1 GLU A  68                CA    CA A 784     1555   1555  2.97  
LINK         OE2 GLU A  68                CA    CA A 784     1555   1555  3.22  
LINK         O   LEU A  69                CA    CA A 701     1555   1555  2.39  
LINK        CA    CA A 701                 O   HOH A 847     1555   1555  2.80  
LINK         O   GLU B  55                CA    CA B 725     1555   1555  3.35  
LINK         O   GLY B  56                CA    CA B 725     1555   1555  2.35  
LINK         OD2 ASP B  58                CA    CA B 725     1555   1555  3.31  
LINK         OD1 ASP B  58                CA    CA B 725     1555   1555  2.79  
LINK         OD2 ASP B  58                CA    CA B 761     1555   1555  2.58  
LINK         OE2 GLU B  68                CA    CA B 725     1555   1555  2.87  
LINK         OE1 GLU B  68                CA    CA B 725     1555   1555  2.72  
LINK         OE2 GLU B  68                CA    CA B 761     1555   1555  2.39  
LINK         O   LEU B  69                CA    CA B 761     1555   1555  2.28  
LINK        CA    CA B 761                 O   HOH B 762     1555   1555  2.45  
SITE     1 AC1  6 ASP A  58  GLU A  68  LEU A  69  LYS A  70                    
SITE     2 AC1  6 HOH A 847   DC D   9                                          
SITE     1 AC2  7 GLU B  55  GLY B  56  ASP B  58  GLU B  68                    
SITE     2 AC2  7  CA B 761   DC C   9  HOH C1028                               
SITE     1 AC3  7 ASP B  58  GLU B  68  LEU B  69   CA B 725                    
SITE     2 AC3  7 HOH B 762   DC C   9  HOH C 898                               
SITE     1 AC4  6 GLY A  56  ASP A  58  GLU A  68   DG D   8                    
SITE     2 AC4  6  DC D   9  HOH D 981                                          
CRYST1   94.043   84.702   45.993  90.00  90.00  90.00 P 21 21 21    8          
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      0.010633  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.011806  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.021742        0.00000