HEADER    HYDROLASE/DNA                           15-FEB-01   1I3J              
TITLE     CRYSTAL STRUCTURE OF THE DNA-BINDING DOMAIN OF INTRON ENDONUCLEASE I- 
TITLE    2 TEVI WITH ITS SUBSTRATE                                              
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: 5'-D(*TP*TP*CP*TP*TP*GP*GP*GP*TP*CP*TP*AP*CP*CP*GP*TP*TP*TP
COMPND   3 *AP*AP*T)-3';                                                        
COMPND   4 CHAIN: B;                                                            
COMPND   5 ENGINEERED: YES;                                                     
COMPND   6 MOL_ID: 2;                                                           
COMPND   7 MOLECULE: 5'-D(*AP*AP*TP*TP*AP*AP*AP*CP*GP*GP*TP*AP*GP*AP*CP*CP*CP*AP
COMPND   8 *AP*GP*A)-3';                                                        
COMPND   9 CHAIN: C;                                                            
COMPND  10 ENGINEERED: YES;                                                     
COMPND  11 MOL_ID: 3;                                                           
COMPND  12 MOLECULE: INTRON-ASSOCIATED ENDONUCLEASE 1;                          
COMPND  13 CHAIN: A;                                                            
COMPND  14 FRAGMENT: DNA-BINDING DOMAIN;                                        
COMPND  15 SYNONYM: I-TEVI;                                                     
COMPND  16 EC: 3.1.-.-;                                                         
COMPND  17 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: ENTEROBACTERIA PHAGE T4;                        
SOURCE   7 ORGANISM_TAXID: 10665;                                               
SOURCE   8 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   9 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE  10 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  11 EXPRESSION_SYSTEM_PLASMID: PET-3A                                    
KEYWDS    PROTEIN-DNA COMPLEX, EXTENDED STRUCTURE, ZN-FINGER, MINOR GROOVE      
KEYWDS   2 HELIX, HELIX-TURN-HELIX, HYDROLASE-DNA COMPLEX                       
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    P.VAN ROEY,C.A.WADDLING,K.M.FOX,M.BELFORT,V.DERBYSHIRE                
REVDAT   3   07-FEB-24 1I3J    1       REMARK                                   
REVDAT   2   24-FEB-09 1I3J    1       VERSN                                    
REVDAT   1   13-JUL-01 1I3J    0                                                
JRNL        AUTH   P.VAN ROEY,C.A.WADDLING,K.M.FOX,M.BELFORT,V.DERBYSHIRE       
JRNL        TITL   INTERTWINED STRUCTURE OF THE DNA-BINDING DOMAIN OF INTRON    
JRNL        TITL 2 ENDONUCLEASE I-TEVI WITH ITS SUBSTRATE.                      
JRNL        REF    EMBO J.                       V.  20  3631 2001              
JRNL        REFN                   ISSN 0261-4189                               
JRNL        PMID   11447104                                                     
JRNL        DOI    10.1093/EMBOJ/20.14.3631                                     
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.20 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS 0.9                                              
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) : 20.00                          
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)   (%) : 98.2                           
REMARK   3   NUMBER OF REFLECTIONS             : 15495                          
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) : 0.215                           
REMARK   3   FREE R VALUE                     : 0.248                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : 1519                            
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            : 769                                     
REMARK   3   NUCLEIC ACID ATOMS       : 855                                     
REMARK   3   HETEROGEN ATOMS          : 1                                       
REMARK   3   SOLVENT ATOMS            : 185                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 35.30                          
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) : 0.009                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.460                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 20.20                           
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  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : NULL                                                 
REMARK   3   KSOL        : NULL                                                 
REMARK   3   BSOL        : 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 1I3J COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 20-FEB-01.                  
REMARK 100 THE DEPOSITION ID IS D_1000012858.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 20-SEP-99; 20-SEP-99               
REMARK 200  TEMPERATURE           (KELVIN) : 100; 100                           
REMARK 200  PH                             : 6.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 2                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y; Y                               
REMARK 200  RADIATION SOURCE               : NSLS; NSLS                         
REMARK 200  BEAMLINE                       : X12C; X12C                         
REMARK 200  X-RAY GENERATOR MODEL          : NULL; NULL                         
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M; NULL                            
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.2; 1.55                          
REMARK 200  MONOCHROMATOR                  : NULL; NULL                         
REMARK 200  OPTICS                         : NULL; NULL                         
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD; CCD                           
REMARK 200  DETECTOR MANUFACTURER          : BRANDEIS - B1; BRANDEIS - B1       
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 17561                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.200                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 30.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.4                               
REMARK 200  DATA REDUNDANCY                : 5.020                              
REMARK 200  R MERGE                    (I) : 0.05900                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 9.0000                             
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     (%) : 98.8                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 4.90                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.38900                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 3.800                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH; NULL                        
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SIRAS                        
REMARK 200 SOFTWARE USED: SOLVE                                                 
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 58.28                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.95                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PEG3350, MES, GLYCEROL, PH 6.5, VAPOR    
REMARK 280  DIFFUSION, HANGING DROP, TEMPERATURE 283K                           
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,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       32.60500            
REMARK 290   SMTRY3   2  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     LYS A   130                                                      
REMARK 465     ALA A   131                                                      
REMARK 465     LEU A   132                                                      
REMARK 465     TYR A   133                                                      
REMARK 465     SER A   134                                                      
REMARK 465     LYS A   135                                                      
REMARK 465     PRO A   136                                                      
REMARK 465     GLY A   137                                                      
REMARK 465     SER A   138                                                      
REMARK 465     LYS A   139                                                      
REMARK 465     ASN A   140                                                      
REMARK 465     GLY A   141                                                      
REMARK 465     ARG A   142                                                      
REMARK 465     TRP A   143                                                      
REMARK 465     ASN A   144                                                      
REMARK 465     PRO A   145                                                      
REMARK 465     GLU A   146                                                      
REMARK 465     THR A   147                                                      
REMARK 465     HIS A   148                                                      
REMARK 465     ALA A   245                                                      
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   411     O    HOH A   267              2.03            
REMARK 500   OP2   DA C    51     O    HOH C   368              2.07            
REMARK 500   NH1  ARG A   168     O    HOH A   419              2.16            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                      
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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)               
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   RES CSSEQI ATM2   DEVIATION                     
REMARK 500     DT B   1   O3'    DT B   2   P       0.156                       
REMARK 500     DT B   2   P      DT B   2   OP2     0.208                       
REMARK 500     DC B  14   P      DC B  14   OP2    -0.138                       
REMARK 500     DC B  14   O3'    DC B  14   C3'    -0.071                       
REMARK 500     DT B  18   O3'    DT B  18   C3'     0.121                       
REMARK 500     DT B  18   O3'    DA B  19   P       0.109                       
REMARK 500     DA B  19   O3'    DA B  20   P       0.074                       
REMARK 500     DA B  20   P      DA B  20   OP2     0.182                       
REMARK 500     DT C  33   P      DT C  33   OP2    -0.111                       
REMARK 500     DT C  33   O3'    DT C  34   P       0.109                       
REMARK 500     DA C  37   O3'    DA C  37   C3'    -0.038                       
REMARK 500     DC C  38   C4'    DC C  38   C3'    -0.062                       
REMARK 500     DC C  38   O3'    DG C  39   P       0.093                       
REMARK 500     DG C  39   P      DG C  39   OP2     0.222                       
REMARK 500     DG C  40   O3'    DT C  41   P       0.099                       
REMARK 500     DT C  41   P      DT C  41   O5'     0.077                       
REMARK 500     DA C  42   P      DA C  42   O5'    -0.073                       
REMARK 500     DC C  45   O3'    DC C  46   P       0.082                       
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     DT B   1   C3' -  O3' -  P   ANGL. DEV. = -13.6 DEGREES          
REMARK 500     DT B   2   O3' -  P   -  OP2 ANGL. DEV. =  14.5 DEGREES          
REMARK 500     DT B   2   O5' -  P   -  OP2 ANGL. DEV. =  -6.7 DEGREES          
REMARK 500     DG B   7   O4' -  C1' -  N9  ANGL. DEV. =   2.0 DEGREES          
REMARK 500     DC B  10   O4' -  C1' -  N1  ANGL. DEV. =   2.7 DEGREES          
REMARK 500     DC B  13   C3' -  O3' -  P   ANGL. DEV. =   8.3 DEGREES          
REMARK 500     DA B  19   C3' -  O3' -  P   ANGL. DEV. = -11.9 DEGREES          
REMARK 500     DA B  20   O3' -  P   -  OP2 ANGL. DEV. =   7.2 DEGREES          
REMARK 500     DT C  34   O3' -  P   -  OP2 ANGL. DEV. =   9.7 DEGREES          
REMARK 500     DC C  38   C3' -  O3' -  P   ANGL. DEV. = -12.7 DEGREES          
REMARK 500     DG C  39   O3' -  P   -  OP2 ANGL. DEV. =  11.5 DEGREES          
REMARK 500     DG C  39   O5' -  P   -  OP2 ANGL. DEV. =  -7.9 DEGREES          
REMARK 500     DG C  39   O4' -  C1' -  N9  ANGL. DEV. =   2.2 DEGREES          
REMARK 500     DT C  41   O3' -  P   -  O5' ANGL. DEV. =  15.0 DEGREES          
REMARK 500     DT C  41   C3' -  O3' -  P   ANGL. DEV. =  -9.6 DEGREES          
REMARK 500     DA C  42   O3' -  P   -  O5' ANGL. DEV. = -11.7 DEGREES          
REMARK 500     DA C  42   O5' -  P   -  OP1 ANGL. DEV. =   8.4 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    ASN A 239       62.99   -114.28                                   
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     DC B  10         0.07    SIDE CHAIN                              
REMARK 500     DG C  39         0.06    SIDE CHAIN                              
REMARK 500     DG C  40         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                              ZN A 100  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS A 151   SG                                                     
REMARK 620 2 CYS A 153   SG  105.3                                              
REMARK 620 3 CYS A 164   SG  118.3 115.7                                        
REMARK 620 4 CYS A 167   SG  113.4 108.8  95.1                                  
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 100                  
DBREF  1I3J A  130   245  UNP    P13299   TEV1_BPT4      130    245             
DBREF  1I3J B    1    21  PDB    1I3J     1I3J             1     21             
DBREF  1I3J C   31    51  PDB    1I3J     1I3J            31     51             
SEQRES   1 B   21   DT  DT  DC  DT  DT  DG  DG  DG  DT  DC  DT  DA  DC          
SEQRES   2 B   21   DC  DG  DT  DT  DT  DA  DA  DT                              
SEQRES   1 C   21   DA  DA  DT  DT  DA  DA  DA  DC  DG  DG  DT  DA  DG          
SEQRES   2 C   21   DA  DC  DC  DC  DA  DA  DG  DA                              
SEQRES   1 A  116  LYS ALA LEU TYR SER LYS PRO GLY SER LYS ASN GLY ARG          
SEQRES   2 A  116  TRP ASN PRO GLU THR HIS LYS PHE CYS LYS CYS GLY VAL          
SEQRES   3 A  116  ARG ILE GLN THR SER ALA TYR THR CYS SER LYS CYS ARG          
SEQRES   4 A  116  ASN ARG SER GLY GLU ASN ASN SER PHE PHE ASN HIS LYS          
SEQRES   5 A  116  HIS SER ASP ILE THR LYS SER LYS ILE SER GLU LYS MET          
SEQRES   6 A  116  LYS GLY LYS LYS PRO SER ASN ILE LYS LYS ILE SER CYS          
SEQRES   7 A  116  ASP GLY VAL ILE PHE ASP CYS ALA ALA ASP ALA ALA ARG          
SEQRES   8 A  116  HIS PHE LYS ILE SER SER GLY LEU VAL THR TYR ARG VAL          
SEQRES   9 A  116  LYS SER ASP LYS TRP ASN TRP PHE TYR ILE ASN ALA              
HET     ZN  A 100       1                                                       
HETNAM      ZN ZINC ION                                                         
FORMUL   4   ZN    ZN 2+                                                        
FORMUL   5  HOH   *185(H2 O)                                                    
HELIX    1   1 SER A  171  ASN A  175  5                                   5    
HELIX    2   2 SER A  183  LYS A  195  1                                  13    
HELIX    3   3 CYS A  214  LYS A  223  1                                  10    
HELIX    4   4 SER A  225  SER A  235  1                                  11    
SHEET    1   A 3 VAL A 210  PHE A 212  0                                        
SHEET    2   A 3 ILE A 205  CYS A 207 -1  O  ILE A 205   N  PHE A 212           
SHEET    3   A 3 TRP A 240  TYR A 242 -1  O  PHE A 241   N  SER A 206           
LINK        ZN    ZN A 100                 SG  CYS A 151     1555   1555  2.21  
LINK        ZN    ZN A 100                 SG  CYS A 153     1555   1555  2.40  
LINK        ZN    ZN A 100                 SG  CYS A 164     1555   1555  2.28  
LINK        ZN    ZN A 100                 SG  CYS A 167     1555   1555  2.15  
SITE     1 AC1  4 CYS A 151  CYS A 153  CYS A 164  CYS A 167                    
CRYST1   55.140   65.210   43.670  90.00  93.10  90.00 P 1 21 1      2          
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      0.018136  0.000000  0.000982        0.00000                         
SCALE2      0.000000  0.015335  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.022933        0.00000