HEADER    HYDROLASE/DNA                           14-MAR-03   1ORP              
TITLE     STRUCTURE OF A TRAPPED ENDONUCLEASE III-DNA COVALENT INTERMEDIATE:    
TITLE    2 ESTRANGED-ADENINE COMPLEX                                            
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: 5'-D(*AP*AP*GP*AP*CP*AP*TP*GP*GP*AP*C)-3';                 
COMPND   3 CHAIN: B;                                                            
COMPND   4 ENGINEERED: YES;                                                     
COMPND   5 MOL_ID: 2;                                                           
COMPND   6 MOLECULE: 5'-D(*GP*TP*CP*CP*AP*(PED)P*GP*TP*CP*T)-3';                
COMPND   7 CHAIN: C;                                                            
COMPND   8 ENGINEERED: YES;                                                     
COMPND   9 MOL_ID: 3;                                                           
COMPND  10 MOLECULE: ENDONUCLEASE III;                                          
COMPND  11 CHAIN: A;                                                            
COMPND  12 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 SYNTHETIC: YES;                                                      
SOURCE   3 MOL_ID: 2;                                                           
SOURCE   4 SYNTHETIC: YES;                                                      
SOURCE   5 MOL_ID: 3;                                                           
SOURCE   6 ORGANISM_SCIENTIFIC: GEOBACILLUS STEAROTHERMOPHILUS;                 
SOURCE   7 ORGANISM_TAXID: 1422;                                                
SOURCE   8 GENE: NTH;                                                           
SOURCE   9 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE  10 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE  11 EXPRESSION_SYSTEM_STRAIN: BL21(C41);                                 
SOURCE  12 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  13 EXPRESSION_SYSTEM_PLASMID: PET28                                     
KEYWDS    DNA REPAIR, DNA GLYCOSYLASE, [4FE-4S] CLUSTER, IRON-SULFUR CLUSTER,   
KEYWDS   2 HYDROLASE-DNA COMPLEX                                                
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    J.C.FROMME,G.L.VERDINE                                                
REVDAT   5   20-NOV-24 1ORP    1       REMARK                                   
REVDAT   4   16-AUG-23 1ORP    1       REMARK LINK                              
REVDAT   3   31-MAR-09 1ORP    1       ATOM   CONECT                            
REVDAT   2   24-FEB-09 1ORP    1       VERSN                                    
REVDAT   1   15-JUL-03 1ORP    0                                                
JRNL        AUTH   J.C.FROMME,G.L.VERDINE                                       
JRNL        TITL   STRUCTURE OF A TRAPPED ENDONUCLEASE III-DNA COVALENT         
JRNL        TITL 2 INTERMEDIATE                                                 
JRNL        REF    EMBO J.                       V.  22  3461 2003              
JRNL        REFN                   ISSN 0261-4189                               
JRNL        PMID   12840008                                                     
JRNL        DOI    10.1093/EMBOJ/CDG311                                         
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.20 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS 1.0                                              
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-              
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,              
REMARK   3               : READ,RICE,SIMONSON,WARREN                            
REMARK   3                                                                      
REMARK   3  REFINEMENT TARGET : ENGH & HUBER                                    
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.20                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 24.51                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 570754.360                     
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : 0.0000                         
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 93.8                           
REMARK   3   NUMBER OF REFLECTIONS             : 14943                          
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) : 0.241                           
REMARK   3   FREE R VALUE                     : 0.262                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 8.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1190                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.008                           
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 10                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.20                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.28                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 89.20                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 1275                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3480                       
REMARK   3   BIN FREE R VALUE                    : 0.3720                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 7.50                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 104                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.036                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1579                                    
REMARK   3   NUCLEIC ACID ATOMS       : 416                                     
REMARK   3   HETEROGEN ATOMS          : 9                                       
REMARK   3   SOLVENT ATOMS            : 71                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 35.10                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 57.20                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.68000                                              
REMARK   3    B22 (A**2) : -15.11000                                            
REMARK   3    B33 (A**2) : 14.43000                                             
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 COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : 0.33                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.34                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : 5.00                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : 0.37                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.36                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.008                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.100                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 19.10                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 0.940                           
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : RESTRAINED                                
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : 1.350 ; 1.500                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 2.040 ; 2.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 5.100 ; 2.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 6.140 ; 2.500                
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : FLAT MODEL                                           
REMARK   3   KSOL        : 0.39                                                 
REMARK   3   BSOL        : 74.61                                                
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : PROTEIN_REP.PARAM                              
REMARK   3  PARAMETER FILE  2  : DNA-RNA_REP.PARAM                              
REMARK   3  PARAMETER FILE  3  : ION.PARAM                                      
REMARK   3  PARAMETER FILE  4  : WATER_REP.PARAM                                
REMARK   3  PARAMETER FILE  5  : PED_FS4.PARAM                                  
REMARK   3  PARAMETER FILE  6  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : PROTEIN.TOP                                    
REMARK   3  TOPOLOGY FILE  2   : DNA-RNA.TOP                                    
REMARK   3  TOPOLOGY FILE  3   : ION.TOP                                        
REMARK   3  TOPOLOGY FILE  4   : WATER.TOP                                      
REMARK   3  TOPOLOGY FILE  5   : PED_FS4.TOP                                    
REMARK   3  TOPOLOGY FILE  6   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1ORP COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 17-MAR-03.                  
REMARK 100 THE DEPOSITION ID IS D_1000018600.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 19-JAN-03                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 8.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : CHESS                              
REMARK 200  BEAMLINE                       : A1                                 
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.9363                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 210                   
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 15614                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.200                              
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     (%) : 97.9                               
REMARK 200  DATA REDUNDANCY                : 5.100                              
REMARK 200  R MERGE                    (I) : 0.05600                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 24.0000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.20                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.28                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 99.2                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 4.50                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.34100                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 4.400                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS            
REMARK 200 SOFTWARE USED: CNS                                                   
REMARK 200 STARTING MODEL: PDB ENTRY 1ORN                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 52.07                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.59                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 8000, TRIS, BETA-MERCAPTOETHANOL ,   
REMARK 280  PH 8.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298K             
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       33.86600            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       53.25800            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       33.86600            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       53.25800            
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: TRIMERIC                          
REMARK 350 APPLY THE FOLLOWING TO CHAINS: B, C, 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      DT C    12                                                      
REMARK 465     GLY A    -2                                                      
REMARK 465     SER A    -1                                                      
REMARK 465     HIS A     0                                                      
REMARK 465     LYS A   214                                                      
REMARK 465     ARG A   215                                                      
REMARK 465     GLU A   216                                                      
REMARK 465     GLU A   217                                                      
REMARK 465     LYS A   218                                                      
REMARK 465     ALA A   219                                                      
REMARK 465     ALA A   220                                                      
REMARK 465     ASN A   221                                                      
REMARK 465     GLN A   222                                                      
REMARK 465     LYS A   223                                                      
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      DG C  13    P    OP1  OP2                                       
REMARK 470     MET A   1    CG   SD   CE                                        
REMARK 470     LYS A   4    CG   CD   CE   NZ                                   
REMARK 470     ILE A   7    CG1  CG2  CD1                                       
REMARK 470     ARG A   8    NE   CZ   NH1  NH2                                  
REMARK 470     LYS A  16    CE   NZ                                             
REMARK 470     ASP A  20    CB   CG   OD1  OD2                                  
REMARK 470     ARG A  28    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     LYS A  50    CG   CD   CE   NZ                                   
REMARK 470     LYS A  53    CG   CD   CE   NZ                                   
REMARK 470     ARG A  54    CB   CG   CD   NE   CZ   NH1  NH2                   
REMARK 470     GLU A  57    CB   CG   CD   OE1  OE2                             
REMARK 470     ARG A  60    CD   NE   CZ   NH1  NH2                             
REMARK 470     GLU A  71    CB   CG   CD   OE1  OE2                             
REMARK 470     GLN A  75    CB   CG   CD   OE1  NE2                             
REMARK 470     ARG A  78    CB   CG   CD   NE   CZ   NH1  NH2                   
REMARK 470     ARG A  88    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     LYS A  92    CD   CE   NZ                                        
REMARK 470     LYS A 100    CD   CE   NZ                                        
REMARK 470     GLU A 104    CD   OE1  OE2                                       
REMARK 470     ARG A 153    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     ASP A 155    CG   OD1  OD2                                       
REMARK 470     GLU A 160    CG   CD   OE1  OE2                                  
REMARK 470     LYS A 167    CG   CD   CE   NZ                                   
REMARK 470     LYS A 171    CE   NZ                                             
REMARK 470     GLU A 172    CG   CD   OE1  OE2                                  
REMARK 470     LYS A 190    CB   CG   CD   CE   NZ                              
REMARK 470     GLN A 192    CB   CG   CD   OE1  NE2                             
REMARK 470     SER A 193    CB   OG                                             
REMARK 470     SER A 198    CB   OG                                             
REMARK 470     LEU A 202    CG   CD1  CD2                                       
REMARK 470     ARG A 206    CB   CG   CD   NE   CZ   NH1  NH2                   
REMARK 470     LYS A 209    CE   NZ                                             
REMARK 470     LYS A 210    CG   CD   CE   NZ                                   
REMARK 470     ARG A 211    CB   CG   CD   NE   CZ   NH1  NH2                   
REMARK 470     ARG A 213    CG   CD   NE   CZ   NH1  NH2                        
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    ARG A  60       -9.51   -140.56                                   
REMARK 500    ASP A 139     -166.21   -113.52                                   
REMARK 500    LYS A 171      -39.86    -32.01                                   
REMARK 500    HIS A 188      -75.40   -134.71                                   
REMARK 500    LEU A 204       12.80   -142.94                                   
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                              NA A 224  NA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1  DC C  21   OP1                                                    
REMARK 620 2 HOH C  34   O    83.9                                              
REMARK 620 3 MET A 113   O   163.8  80.0                                        
REMARK 620 4 LEU A 115   O    92.4 170.2 103.6                                  
REMARK 620 5 VAL A 118   O    90.7  72.0  84.7  99.1                            
REMARK 620 N                    1     2     3     4                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             SF4 A 300  FE2                           
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS A 189   SG                                                     
REMARK 620 2 SF4 A 300   S1  103.3                                              
REMARK 620 3 SF4 A 300   S3  115.0 107.9                                        
REMARK 620 4 SF4 A 300   S4  124.8  98.5 105.0                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             SF4 A 300  FE3                           
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS A 196   SG                                                     
REMARK 620 2 SF4 A 300   S1  107.2                                              
REMARK 620 3 SF4 A 300   S2  125.5 103.7                                        
REMARK 620 4 SF4 A 300   S4  107.7 104.6 106.4                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             SF4 A 300  FE1                           
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS A 199   SG                                                     
REMARK 620 2 SF4 A 300   S2  118.8                                              
REMARK 620 3 SF4 A 300   S3  118.7  99.9                                        
REMARK 620 4 SF4 A 300   S4  116.0 100.8  99.3                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             SF4 A 300  FE4                           
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS A 205   SG                                                     
REMARK 620 2 SF4 A 300   S1  117.1                                              
REMARK 620 3 SF4 A 300   S2  108.4 100.9                                        
REMARK 620 4 SF4 A 300   S3  118.3 103.6 106.8                                  
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 NA A 224                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SF4 A 300                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 2ABK   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF E. COLI ENDONUCLEASE III WITHOUT DNA                    
REMARK 900 RELATED ID: 1ORN   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF A TRAPPED ENDONUCLEASE III - DNA COVALENT INTERMEDIATE: 
REMARK 900 ESTRANGED-GUANINE COMPLEX                                            
REMARK 999                                                                      
REMARK 999 AUTHORS INFORMED THAT THE SEQUENCE OF THE PROTEIN HAS NOT            
REMARK 999 YET BEEN PUBLISHED. RESIDUES GLY -2, SER -1 AND HIS 0 ARE            
REMARK 999 CLONING ARTIFACTS.                                                   
DBREF  1ORP B    1    11  PDB    1ORP     1ORP             1     11             
DBREF  1ORP C   12    22  PDB    1ORP     1ORP            12     22             
DBREF  1ORP A   -2   223  PDB    1ORP     1ORP            -2    223             
SEQRES   1 B   11   DA  DA  DG  DA  DC  DA  DT  DG  DG  DA  DC                  
SEQRES   1 C   11   DT  DG  DT  DC  DC  DA PED  DG  DT  DC  DT                  
SEQRES   1 A  226  GLY SER HIS MET LEU THR LYS GLN GLN ILE ARG TYR CYS          
SEQRES   2 A  226  LEU ASP GLU MET ALA LYS MET PHE PRO ASP ALA HIS CYS          
SEQRES   3 A  226  GLU LEU VAL HIS ARG ASN PRO PHE GLU LEU LEU ILE ALA          
SEQRES   4 A  226  VAL VAL LEU SER ALA GLN CYS THR ASP ALA LEU VAL ASN          
SEQRES   5 A  226  LYS VAL THR LYS ARG LEU PHE GLU LYS TYR ARG THR PRO          
SEQRES   6 A  226  HIS ASP TYR ILE ALA VAL PRO LEU GLU GLU LEU GLU GLN          
SEQRES   7 A  226  ASP ILE ARG SER ILE GLY LEU TYR ARG ASN LYS ALA ARG          
SEQRES   8 A  226  ASN ILE GLN LYS LEU CYS ALA MET LEU ILE ASP LYS TYR          
SEQRES   9 A  226  ASN GLY GLU VAL PRO ARG ASP ARG ASP GLU LEU MET LYS          
SEQRES  10 A  226  LEU PRO GLY VAL GLY ARG LYS THR ALA ASN VAL VAL VAL          
SEQRES  11 A  226  SER VAL ALA PHE GLY VAL PRO ALA ILE ALA VAL ASP THR          
SEQRES  12 A  226  HIS VAL GLU ARG VAL SER LYS ARG LEU GLY PHE CYS ARG          
SEQRES  13 A  226  TRP ASP ASP SER VAL LEU GLU VAL GLU LYS THR LEU MET          
SEQRES  14 A  226  LYS ILE ILE PRO LYS GLU GLU TRP SER ILE THR HIS HIS          
SEQRES  15 A  226  ARG MET ILE PHE PHE GLY ARG TYR HIS CYS LYS ALA GLN          
SEQRES  16 A  226  SER PRO GLN CYS PRO SER CYS PRO LEU LEU HIS LEU CYS          
SEQRES  17 A  226  ARG GLU GLY LYS LYS ARG MET ARG LYS ARG GLU GLU LYS          
SEQRES  18 A  226  ALA ALA ASN GLN LYS                                          
HET    PED  C  18      11                                                       
HET     NA  A 224       1                                                       
HET    SF4  A 300       8                                                       
HETNAM     PED PENTANE-3,4-DIOL-5-PHOSPHATE                                     
HETNAM      NA SODIUM ION                                                       
HETNAM     SF4 IRON/SULFUR CLUSTER                                              
HETSYN     PED OPEN FORM OF 1'-2'-DIDEOXYRIBOFURANOSE-5'-PHOSPHATE              
FORMUL   2  PED    C5 H13 O6 P                                                  
FORMUL   4   NA    NA 1+                                                        
FORMUL   5  SF4    FE4 S4                                                       
FORMUL   6  HOH   *71(H2 O)                                                     
HELIX    1   1 THR A    3  PHE A   18  1                                  16    
HELIX    2   2 ASN A   29  SER A   40  1                                  12    
HELIX    3   3 THR A   44  TYR A   59  1                                  16    
HELIX    4   4 THR A   61  VAL A   68  1                                   8    
HELIX    5   5 PRO A   69  ILE A   77  1                                   9    
HELIX    6   6 LEU A   82  TYR A  101  1                                  20    
HELIX    7   7 ASP A  108  MET A  113  1                                   6    
HELIX    8   8 GLY A  119  GLY A  132  1                                  14    
HELIX    9   9 ASP A  139  LEU A  149  1                                  11    
HELIX   10  10 SER A  157  ILE A  169  1                                  13    
HELIX   11  12 GLU A  173  HIS A  188  1                                  16    
HELIX   12  13 GLN A  195  CYS A  199  5                                   5    
HELIX   13  14 LEU A  201  LEU A  204  5                                   4    
HELIX   14  15 CYS A  205  ARG A  213  1                                   9    
LINK         O3'  DA C  17                 P   PED C  18     1555   1555  1.60  
LINK         O3' PED C  18                 P    DG C  19     1555   1555  1.61  
LINK         C1' PED C  18                 NZ  LYS A 121     1555   1555  1.47  
LINK         OP1  DC C  21                NA    NA A 224     1555   1555  2.48  
LINK         O   HOH C  34                NA    NA A 224     1555   1555  2.91  
LINK         O   MET A 113                NA    NA A 224     1555   1555  2.31  
LINK         O   LEU A 115                NA    NA A 224     1555   1555  2.43  
LINK         O   VAL A 118                NA    NA A 224     1555   1555  2.52  
LINK         SG  CYS A 189                FE2  SF4 A 300     1555   1555  2.62  
LINK         SG  CYS A 196                FE3  SF4 A 300     1555   1555  2.67  
LINK         SG  CYS A 199                FE1  SF4 A 300     1555   1555  2.39  
LINK         SG  CYS A 205                FE4  SF4 A 300     1555   1555  2.42  
SITE     1 AC1  5 MET A 113  LEU A 115  VAL A 118   DC C  21                    
SITE     2 AC1  5 HOH C  34                                                     
SITE     1 AC2  7 LEU A 149  PHE A 184  CYS A 189  CYS A 196                    
SITE     2 AC2  7 CYS A 199  CYS A 205  GLY A 208                               
CRYST1   67.732  106.516   41.661  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      0.014764  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.009388  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.024003        0.00000