HEADER HYDROLASE/DNA 12-MAY-05 1ZNS TITLE CRYSTAL STRUCTURE OF N-COLE7/12-BP DNA/ZN COMPLEX COMPND MOL_ID: 1; COMPND 2 MOLECULE: 5'-D(*CP*GP*GP*GP*AP*TP*AP*TP*CP*CP*CP*G)-3'; COMPND 3 CHAIN: B, C; COMPND 4 ENGINEERED: YES; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: COLICIN E7; COMPND 7 CHAIN: A; COMPND 8 FRAGMENT: NUCLEASE DOMAIN; COMPND 9 EC: 3.1.-.-; COMPND 10 ENGINEERED: YES; COMPND 11 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 MOL_ID: 2; SOURCE 4 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI STR. K12 SUBSTR.; SOURCE 5 ORGANISM_TAXID: 316407; SOURCE 6 STRAIN: W3110; SOURCE 7 GENE: CEA7; SOURCE 8 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 9 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 10 EXPRESSION_SYSTEM_STRAIN: M15; SOURCE 11 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 12 EXPRESSION_SYSTEM_PLASMID: PQE70 KEYWDS H-N-H MOTIF, ENDONUCLEASE, COLICIN, PROTEIN-DNA COMPLEX, HIS-METAL KEYWDS 2 FINGER, HYDROLASE-DNA COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR L.G.DOUDEVA,H.HUANG,K.C.HSIA,Z.SHI,C.L.LI,Y.SHEN,H.S.YUAN REVDAT 5 25-OCT-23 1ZNS 1 REMARK REVDAT 4 10-NOV-21 1ZNS 1 REMARK SEQADV LINK REVDAT 3 13-JUL-11 1ZNS 1 VERSN REVDAT 2 24-FEB-09 1ZNS 1 VERSN REVDAT 1 14-MAR-06 1ZNS 0 JRNL AUTH L.G.DOUDEVA,H.HUANG,K.C.HSIA,Z.SHI,C.L.LI,Y.SHEN,Y.S.CHENG, JRNL AUTH 2 H.S.YUAN JRNL TITL CRYSTAL STRUCTURAL ANALYSIS AND METAL-DEPENDENT STABILITY JRNL TITL 2 AND ACTIVITY STUDIES OF THE COLE7 ENDONUCLEASE DOMAIN IN JRNL TITL 3 COMPLEX WITH DNA/ZN2+ OR INHIBITOR/NI2+ JRNL REF PROTEIN SCI. V. 15 269 2006 JRNL REFN ISSN 0961-8368 JRNL PMID 16434744 JRNL DOI 10.1110/PS.051903406 REMARK 2 REMARK 2 RESOLUTION. 2.50 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.1 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) : 2.50 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 37.05 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 579011.700 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 97.1 REMARK 3 NUMBER OF REFLECTIONS : 7446 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 : 0.287 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.700 REMARK 3 FREE R VALUE TEST SET COUNT : 794 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.010 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.50 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.66 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 98.10 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1068 REMARK 3 BIN R VALUE (WORKING SET) : 0.3320 REMARK 3 BIN FREE R VALUE : 0.4000 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 11.20 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 135 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.034 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 962 REMARK 3 NUCLEIC ACID ATOMS : 486 REMARK 3 HETEROGEN ATOMS : 1 REMARK 3 SOLVENT ATOMS : 33 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 38.70 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 38.40 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -1.75000 REMARK 3 B22 (A**2) : -1.75000 REMARK 3 B33 (A**2) : 3.50000 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) : 0.35 REMARK 3 ESD FROM SIGMAA (A) : 0.30 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) : 0.48 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.44 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.014 REMARK 3 BOND ANGLES (DEGREES) : 1.600 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 22.90 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.610 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) : 1.400 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.360 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.060 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 3.190 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.40 REMARK 3 BSOL : 55.46 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.PARAM REMARK 3 PARAMETER FILE 3 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 4 : ION.PARAM REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : DNA-RNA.TOP REMARK 3 TOPOLOGY FILE 3 : WATER.TOP REMARK 3 TOPOLOGY FILE 4 : ION.TOP REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1ZNS COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 16-MAY-05. REMARK 100 THE DEPOSITION ID IS D_1000032932. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 29-APR-04 REMARK 200 TEMPERATURE (KELVIN) : 120 REMARK 200 PH : 7.5 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 MICROMAX-007 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : CONFOCAL REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IV REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 7597 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.500 REMARK 200 RESOLUTION RANGE LOW (A) : 40.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.0 REMARK 200 DATA REDUNDANCY : 11.70 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.04500 REMARK 200 FOR THE DATA SET : 41.1000 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) : 2.59 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.5 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.15100 REMARK 200 FOR SHELL : 10.80 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: PDB ENTRY 1PT3 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 46.32 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.11 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 25MM TRIS-HCL, 0.1M AMMONIUM CHLORIDE, REMARK 280 10.5% MPD, PH 7.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE REMARK 280 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 41 21 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -Y+1/2,X+1/2,Z+1/4 REMARK 290 4555 Y+1/2,-X+1/2,Z+3/4 REMARK 290 5555 -X+1/2,Y+1/2,-Z+1/4 REMARK 290 6555 X+1/2,-Y+1/2,-Z+3/4 REMARK 290 7555 Y,X,-Z REMARK 290 8555 -Y,-X,-Z+1/2 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 101.98500 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 22.09500 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 22.09500 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 50.99250 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 22.09500 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 22.09500 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 152.97750 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 22.09500 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 22.09500 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 50.99250 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 22.09500 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 22.09500 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 152.97750 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 101.98500 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 MET A 443 REMARK 465 GLU A 444 REMARK 465 SER A 445 REMARK 465 LYS A 446 REMARK 465 ARG A 447 REMARK 465 ASN A 448 REMARK 465 LYS A 449 REMARK 465 PRO A 548 REMARK 465 ILE A 549 REMARK 465 SER A 550 REMARK 465 GLN A 551 REMARK 465 ASN A 552 REMARK 465 GLY A 553 REMARK 465 GLY A 554 REMARK 465 GLY A 575 REMARK 465 LYS A 576 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 O4 DT B 8 O HOH B 17 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 B 1 O4' - C1' - N1 ANGL. DEV. = 2.0 DEGREES REMARK 500 DG B 12 O4' - C1' - N9 ANGL. DEV. = 2.1 DEGREES REMARK 500 DG C 15 O4' - C1' - N9 ANGL. DEV. = 2.3 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 LYS A 456 108.13 69.79 REMARK 500 LYS A 458 116.47 57.16 REMARK 500 ASN A 461 -150.20 -118.88 REMARK 500 ASP A 471 -129.06 55.90 REMARK 500 MET A 558 -10.56 -48.36 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 1 0.09 SIDE CHAIN REMARK 500 DG B 4 0.07 SIDE CHAIN REMARK 500 DA B 5 0.06 SIDE CHAIN REMARK 500 DC B 9 0.06 SIDE CHAIN REMARK 500 DG B 12 0.10 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 A1500 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 DA B 5 OP1 REMARK 620 2 HIS A 544 ND1 114.2 REMARK 620 3 HIS A 569 NE2 110.5 108.0 REMARK 620 4 HIS A 573 NE2 110.1 110.1 103.4 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 1500 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1PT3 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURES OF NUCLEASE-COLE7 COMPLEXED WITH OCTAMER DNA REMARK 900 RELATED ID: 7CEI RELATED DB: PDB REMARK 900 THE DNASE DOMAIN OF COLE7 IN COMPLEX WITH IM7 REMARK 900 RELATED ID: 1MZ8 RELATED DB: PDB REMARK 900 THE NUCLEASE DOMAIN OF COLE7/IM7 IN COMPLEX WITH A PHOSPHATE ION REMARK 900 AND DIFFERENT DIVALENT METAL IONS REMARK 900 RELATED ID: 1M08 RELATED DB: PDB REMARK 900 UNBOUNDED NUCLEASE DOMAIN OF COLE7 DBREF 1ZNS A 444 576 UNP Q47112 CEA7_ECOLI 444 576 DBREF 1ZNS B 1 12 PDB 1ZNS 1ZNS 1 12 DBREF 1ZNS C 13 24 PDB 1ZNS 1ZNS 13 24 SEQADV 1ZNS MET A 443 UNP Q47112 INITIATING METHIONINE SEQADV 1ZNS GLU A 545 UNP Q47112 HIS 545 ENGINEERED MUTATION SEQRES 1 B 12 DC DG DG DG DA DT DA DT DC DC DC DG SEQRES 1 C 12 DC DG DG DG DA DT DA DT DC DC DC DG SEQRES 1 A 134 MET GLU SER LYS ARG ASN LYS PRO GLY LYS ALA THR GLY SEQRES 2 A 134 LYS GLY LYS PRO VAL ASN ASN LYS TRP LEU ASN ASN ALA SEQRES 3 A 134 GLY LYS ASP LEU GLY SER PRO VAL PRO ASP ARG ILE ALA SEQRES 4 A 134 ASN LYS LEU ARG ASP LYS GLU PHE LYS SER PHE ASP ASP SEQRES 5 A 134 PHE ARG LYS LYS PHE TRP GLU GLU VAL SER LYS ASP PRO SEQRES 6 A 134 GLU LEU SER LYS GLN PHE SER ARG ASN ASN ASN ASP ARG SEQRES 7 A 134 MET LYS VAL GLY LYS ALA PRO LYS THR ARG THR GLN ASP SEQRES 8 A 134 VAL SER GLY LYS ARG THR SER PHE GLU LEU HIS GLU GLU SEQRES 9 A 134 LYS PRO ILE SER GLN ASN GLY GLY VAL TYR ASP MET ASP SEQRES 10 A 134 ASN ILE SER VAL VAL THR PRO LYS ARG HIS ILE ASP ILE SEQRES 11 A 134 HIS ARG GLY LYS HET ZN A1500 1 HETNAM ZN ZINC ION FORMUL 4 ZN ZN 2+ FORMUL 5 HOH *33(H2 O) HELIX 1 1 PRO A 477 ARG A 485 1 9 HELIX 2 2 SER A 491 ASP A 506 1 16 HELIX 3 3 ASP A 506 LYS A 511 1 6 HELIX 4 4 SER A 514 VAL A 523 1 10 HELIX 5 5 ARG A 530 VAL A 534 5 5 HELIX 6 6 THR A 565 ARG A 574 1 10 SHEET 1 A 2 GLY A 451 LYS A 452 0 SHEET 2 A 2 GLU A 488 PHE A 489 -1 O PHE A 489 N GLY A 451 SHEET 1 B 3 SER A 474 PRO A 475 0 SHEET 2 B 3 ILE A 561 VAL A 564 -1 O VAL A 563 N SER A 474 SHEET 3 B 3 GLU A 542 GLU A 545 -1 N HIS A 544 O SER A 562 LINK OP1 DA B 5 ZN ZN A1500 1555 1555 2.02 LINK ND1 HIS A 544 ZN ZN A1500 1555 1555 1.80 LINK NE2 HIS A 569 ZN ZN A1500 1555 1555 1.94 LINK NE2 HIS A 573 ZN ZN A1500 1555 1555 2.05 SITE 1 AC1 5 HIS A 544 HIS A 569 HIS A 573 DG B 4 SITE 2 AC1 5 DA B 5 CRYST1 44.190 44.190 203.970 90.00 90.00 90.00 P 41 21 2 16 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 0.022630 0.000000 0.000000 0.00000 SCALE2 0.000000 0.022630 0.000000 0.00000 SCALE3 0.000000 0.000000 0.004903 0.00000