PDB Short entry for 7CEI HEADER IMMUNE SYSTEM 17-SEP-98 7CEI TITLE THE ENDONUCLEASE DOMAIN OF COLICIN E7 IN COMPLEX WITH ITS INHIBITOR TITLE 2 IM7 PROTEIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROTEIN (COLICIN E7 IMMUNITY PROTEIN); COMPND 3 CHAIN: A; COMPND 4 SYNONYM: IM7; COMPND 5 ENGINEERED: YES; COMPND 6 MOL_ID: 2; COMPND 7 MOLECULE: PROTEIN (COLICIN E7 IMMUNITY PROTEIN); COMPND 8 CHAIN: B; COMPND 9 FRAGMENT: ENDONUCLEASE DOMAIN; COMPND 10 SYNONYM: COLE7 DNASE DOMAIN SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI STR. K12 SUBSTR.; SOURCE 3 ORGANISM_TAXID: 316407; SOURCE 4 STRAIN: W3110; SOURCE 5 GENE: CEIE7; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: SG13009; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_VECTOR: PHBH; SOURCE 11 EXPRESSION_SYSTEM_GENE: CEIE7; SOURCE 12 MOL_ID: 2; SOURCE 13 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI STR. K12 SUBSTR.; SOURCE 14 ORGANISM_TAXID: 316407; SOURCE 15 STRAIN: W3110; SOURCE 16 PLASMID: PCOLE7 KEYWDS DNASE, E-GROUP COLICINS, PROTEIN-PROTEIN INTERACTION, PROTEIN KEYWDS 2 RECOGNITION, IMMUNE SYSTEM EXPDTA X-RAY DIFFRACTION AUTHOR T.P.KO,C.C.LIAO,W.Y.KU,K.F.CHAK,H.S.YUAN REVDAT 3 13-JUL-11 7CEI 1 VERSN REVDAT 2 24-FEB-09 7CEI 1 VERSN REVDAT 1 17-SEP-99 7CEI 0 JRNL AUTH T.P.KO,C.C.LIAO,W.Y.KU,K.F.CHAK,H.S.YUAN JRNL TITL THE CRYSTAL STRUCTURE OF THE DNASE DOMAIN OF COLICIN E7 IN JRNL TITL 2 COMPLEX WITH ITS INHIBITOR IM7 PROTEIN. JRNL REF STRUCTURE FOLD.DES. V. 7 91 1999 JRNL REFN ISSN 0969-2126 JRNL PMID 10368275 JRNL DOI 10.1016/S0969-2126(99)80012-4 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH K.-F.CHAK,M.K.SAFO,W.-Y.KU,S.-Y.HSIEH,H.S.YUAN REMARK 1 TITL THE CRYSTAL STRUCTURE OF THE IMMUNITY PROTEIN OF COLICIN E7 REMARK 1 TITL 2 SUGGESTS A POSSIBLE COLICIN-INTERACTING SURFACE. REMARK 1 REF PROC.NATL.ACAD.SCI.USA V. 93 6437 1996 REMARK 1 REFN ISSN 0027-8424 REMARK 2 REMARK 2 RESOLUTION. 2.30 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.851 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.30 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 40.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 10000000.000 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0010 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 76.8 REMARK 3 NUMBER OF REFLECTIONS : 10498 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) : 0.203 REMARK 3 FREE R VALUE : 0.270 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 8.000 REMARK 3 FREE R VALUE TEST SET COUNT : 842 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 : 15 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.30 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.35 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 43.70 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 351 REMARK 3 BIN R VALUE (WORKING SET) : 0.3050 REMARK 3 BIN FREE R VALUE : 0.3140 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 8.00 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 32 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 : 1724 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 1 REMARK 3 SOLVENT ATOMS : 162 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 39.80 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 37.90 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) : 0.30 REMARK 3 ESD FROM SIGMAA (A) : 0.28 REMARK 3 LOW RESOLUTION CUTOFF (A) : 40.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.32 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.30 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.005 REMARK 3 BOND ANGLES (DEGREES) : 1.01 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 26.05 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.55 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) : 1.108 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.985 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 1.362 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 2.219 ; 2.500 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 : NULL REMARK 3 PARAMETER FILE 3 : NULL REMARK 3 TOPOLOGY FILE 1 : TOPHCSDX.PRO REMARK 3 TOPOLOGY FILE 2 : TOPH19.SOL REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 7CEI COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 15-JUL-99. REMARK 100 THE RCSB ID CODE IS RCSB007111. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-FEB-98 REMARK 200 TEMPERATURE (KELVIN) : 293 REMARK 200 PH : 6.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : PHOTON FACTORY REMARK 200 BEAMLINE : BL-6B REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.00 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : FUJI REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 12090 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.300 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 (%) : 88.5 REMARK 200 DATA REDUNDANCY : 3.200 REMARK 200 R MERGE (I) : 0.04300 REMARK 200 R SYM (I) : 0.04300 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 17.7000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.30 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.40 REMARK 200 COMPLETENESS FOR SHELL (%) : 76.3 REMARK 200 DATA REDUNDANCY IN SHELL : 2.30 REMARK 200 R MERGE FOR SHELL (I) : 0.19100 REMARK 200 R SYM FOR SHELL (I) : 0.19100 REMARK 200 <I/SIGMA(I)> FOR SHELL : 2.000 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: X-PLOR REMARK 200 STARTING MODEL: PDB ENTRY 1CEI REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 54.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.80 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 15 MG/ML PROTEIN COMPLEX, 5 MM NA REMARK 280 CITRATE, 0.25 M NH4 ACETATE, 10% PEG4000, PH 6.0 VAPOR DIFFUSION REMARK 280 AGAINST 22.5% PEG4000 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 2 2 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,Y,-Z REMARK 290 4555 X,-Y,-Z REMARK 290 5555 X+1/2,Y+1/2,Z+1/2 REMARK 290 6555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 7555 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 8555 X+1/2,-Y+1/2,-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 0.00000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 32.72000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 38.01000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 59.99500 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 32.72000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 38.01000 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 59.99500 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 32.72000 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 38.01000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 59.99500 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 32.72000 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 38.01000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 59.99500 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: DIMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B REMARK 350 BIOMT1 1 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 1 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 1 0.000000 0.000000 1.000000 0.00000 REMARK 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 HOH A 702 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 701 LIES ON A SPECIAL POSITION. 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 GLU B 371 REMARK 465 ARG B 372 REMARK 465 PHE B 373 REMARK 465 ALA B 374 REMARK 465 ARG B 375 REMARK 465 GLU B 376 REMARK 465 PRO B 377 REMARK 465 MET B 378 REMARK 465 ALA B 379 REMARK 465 ALA B 380 REMARK 465 GLY B 381 REMARK 465 HIS B 382 REMARK 465 ARG B 383 REMARK 465 MET B 384 REMARK 465 TRP B 385 REMARK 465 GLN B 386 REMARK 465 MET B 387 REMARK 465 ALA B 388 REMARK 465 GLY B 389 REMARK 465 LEU B 390 REMARK 465 LYS B 391 REMARK 465 ALA B 392 REMARK 465 GLN B 393 REMARK 465 ARG B 394 REMARK 465 ALA B 395 REMARK 465 GLN B 396 REMARK 465 THR B 397 REMARK 465 ASP B 398 REMARK 465 VAL B 399 REMARK 465 ASN B 400 REMARK 465 ASN B 401 REMARK 465 LYS B 402 REMARK 465 LYS B 403 REMARK 465 ALA B 404 REMARK 465 ALA B 405 REMARK 465 PHE B 406 REMARK 465 ASP B 407 REMARK 465 ALA B 408 REMARK 465 ALA B 409 REMARK 465 ALA B 410 REMARK 465 LYS B 411 REMARK 465 GLU B 412 REMARK 465 LYS B 413 REMARK 465 SER B 414 REMARK 465 ASP B 415 REMARK 465 ALA B 416 REMARK 465 ASP B 417 REMARK 465 VAL B 418 REMARK 465 ALA B 419 REMARK 465 LEU B 420 REMARK 465 SER B 421 REMARK 465 SER B 422 REMARK 465 ALA B 423 REMARK 465 LEU B 424 REMARK 465 GLU B 425 REMARK 465 ARG B 426 REMARK 465 ARG B 427 REMARK 465 LYS B 428 REMARK 465 GLN B 429 REMARK 465 LYS B 430 REMARK 465 GLU B 431 REMARK 465 ASN B 432 REMARK 465 LYS B 433 REMARK 465 GLU B 434 REMARK 465 LYS B 435 REMARK 465 ASP B 436 REMARK 465 ALA B 437 REMARK 465 LYS B 438 REMARK 465 ALA B 439 REMARK 465 LYS B 440 REMARK 465 LEU B 441 REMARK 465 ASP B 442 REMARK 465 LYS B 443 REMARK 465 GLU B 444 REMARK 465 SER B 445 REMARK 465 LYS B 446 REMARK 465 ARG B 574 REMARK 465 GLY B 575 REMARK 465 LYS B 576 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 PRO B 450 179.12 -48.96 REMARK 500 ASN B 461 -153.13 -93.50 REMARK 500 LYS B 463 31.16 -140.51 REMARK 500 TRP B 464 -72.75 -27.19 REMARK 500 ASN B 466 -93.61 -37.17 REMARK 500 LYS B 470 -99.30 -109.36 REMARK 500 ASP B 471 -146.57 -109.14 REMARK 500 PRO B 548 146.13 -34.84 REMARK 500 SER B 550 -78.28 -74.23 REMARK 500 ILE B 572 48.71 -77.43 REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH A 730 DISTANCE = 5.80 ANGSTROMS REMARK 525 HOH A 746 DISTANCE = 5.30 ANGSTROMS REMARK 525 HOH A 748 DISTANCE = 7.65 ANGSTROMS REMARK 525 HOH A 751 DISTANCE = 5.32 ANGSTROMS REMARK 525 HOH A 753 DISTANCE = 7.02 ANGSTROMS REMARK 525 HOH A 754 DISTANCE = 5.49 ANGSTROMS REMARK 525 HOH A 755 DISTANCE = 6.71 ANGSTROMS REMARK 525 HOH A 789 DISTANCE = 7.16 ANGSTROMS REMARK 525 HOH A 795 DISTANCE = 6.98 ANGSTROMS REMARK 525 HOH A 797 DISTANCE = 7.03 ANGSTROMS REMARK 525 HOH A 800 DISTANCE = 6.99 ANGSTROMS REMARK 525 HOH A 802 DISTANCE = 9.28 ANGSTROMS REMARK 525 HOH A 803 DISTANCE = 8.67 ANGSTROMS REMARK 525 HOH A 804 DISTANCE = 5.94 ANGSTROMS REMARK 525 HOH B 728 DISTANCE = 5.19 ANGSTROMS REMARK 525 HOH B 737 DISTANCE = 6.28 ANGSTROMS REMARK 525 HOH B 739 DISTANCE = 5.41 ANGSTROMS REMARK 525 HOH B 740 DISTANCE = 5.94 ANGSTROMS REMARK 525 HOH B 747 DISTANCE = 5.78 ANGSTROMS REMARK 525 HOH B 762 DISTANCE = 9.52 ANGSTROMS REMARK 525 HOH B 764 DISTANCE = 5.13 ANGSTROMS REMARK 525 HOH B 765 DISTANCE = 6.88 ANGSTROMS REMARK 525 HOH B 766 DISTANCE = 7.72 ANGSTROMS REMARK 525 HOH B 768 DISTANCE = 5.19 ANGSTROMS REMARK 525 HOH B 770 DISTANCE = 6.34 ANGSTROMS REMARK 525 HOH B 773 DISTANCE = 6.82 ANGSTROMS REMARK 525 HOH B 774 DISTANCE = 5.76 ANGSTROMS REMARK 525 HOH B 776 DISTANCE = 7.99 ANGSTROMS REMARK 525 HOH B 778 DISTANCE = 6.72 ANGSTROMS REMARK 525 HOH B 779 DISTANCE = 5.96 ANGSTROMS REMARK 525 HOH B 780 DISTANCE = 5.85 ANGSTROMS REMARK 525 HOH B 782 DISTANCE = 8.83 ANGSTROMS REMARK 525 HOH B 783 DISTANCE = 7.17 ANGSTROMS REMARK 525 HOH B 784 DISTANCE = 7.21 ANGSTROMS REMARK 525 HOH B 785 DISTANCE = 7.10 ANGSTROMS REMARK 525 HOH B 786 DISTANCE = 8.43 ANGSTROMS REMARK 525 HOH B 792 DISTANCE = 5.35 ANGSTROMS REMARK 525 HOH B 793 DISTANCE = 5.35 ANGSTROMS REMARK 525 HOH B 807 DISTANCE = 6.11 ANGSTROMS REMARK 525 HOH B 812 DISTANCE = 7.35 ANGSTROMS REMARK 525 HOH B 813 DISTANCE = 10.04 ANGSTROMS REMARK 525 HOH B 814 DISTANCE = 11.18 ANGSTROMS REMARK 525 HOH B 815 DISTANCE = 9.20 ANGSTROMS REMARK 525 HOH B 818 DISTANCE = 7.42 ANGSTROMS REMARK 525 HOH B 819 DISTANCE = 8.88 ANGSTROMS REMARK 525 HOH B 820 DISTANCE = 10.03 ANGSTROMS REMARK 525 HOH B 821 DISTANCE = 7.91 ANGSTROMS REMARK 525 HOH B 822 DISTANCE = 9.69 ANGSTROMS 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 B 600 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH B 863 O REMARK 620 2 HIS B 544 ND1 91.2 REMARK 620 3 HIS B 569 NE2 123.7 88.5 REMARK 620 4 HIS B 573 NE2 142.5 125.3 71.1 REMARK 620 N 1 2 3 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: ZNB REMARK 800 EVIDENCE_CODE: AUTHOR REMARK 800 SITE_DESCRIPTION: THE ZINC ION BINDS TO THREE HISTIDINES AND A REMARK 800 WATER. THE WATER IS PROBABLY IONIZED AND MAY ACT AS A NUCLEOPHILE REMARK 800 TO ATTACK THE DNA. REMARK 800 REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN B 600 DBREF 7CEI A 1 87 UNP Q03708 IMM7_ECOLI 1 87 DBREF 7CEI B 371 576 UNP Q47112 CEA7_ECOLI 1 206 SEQRES 1 A 87 MET GLU LEU LYS ASN SER ILE SER ASP TYR THR GLU ALA SEQRES 2 A 87 GLU PHE VAL GLN LEU LEU LYS GLU ILE GLU LYS GLU ASN SEQRES 3 A 87 VAL ALA ALA THR ASP ASP VAL LEU ASP VAL LEU LEU GLU SEQRES 4 A 87 HIS PHE VAL LYS ILE THR GLU HIS PRO ASP GLY THR ASP SEQRES 5 A 87 LEU ILE TYR TYR PRO SER ASP ASN ARG ASP ASP SER PRO SEQRES 6 A 87 GLU GLY ILE VAL LYS GLU ILE LYS GLU TRP ARG ALA ALA SEQRES 7 A 87 ASN GLY LYS PRO GLY PHE LYS GLN GLY SEQRES 1 B 206 GLU ARG PHE ALA ARG GLU PRO MET ALA ALA GLY HIS ARG SEQRES 2 B 206 MET TRP GLN MET ALA GLY LEU LYS ALA GLN ARG ALA GLN SEQRES 3 B 206 THR ASP VAL ASN ASN LYS LYS ALA ALA PHE ASP ALA ALA SEQRES 4 B 206 ALA LYS GLU LYS SER ASP ALA ASP VAL ALA LEU SER SER SEQRES 5 B 206 ALA LEU GLU ARG ARG LYS GLN LYS GLU ASN LYS GLU LYS SEQRES 6 B 206 ASP ALA LYS ALA LYS LEU ASP LYS GLU SER LYS ARG ASN SEQRES 7 B 206 LYS PRO GLY LYS ALA THR GLY LYS GLY LYS PRO VAL ASN SEQRES 8 B 206 ASN LYS TRP LEU ASN ASN ALA GLY LYS ASP LEU GLY SER SEQRES 9 B 206 PRO VAL PRO ASP ARG ILE ALA ASN LYS LEU ARG ASP LYS SEQRES 10 B 206 GLU PHE LYS SER PHE ASP ASP PHE ARG LYS LYS PHE TRP SEQRES 11 B 206 GLU GLU VAL SER LYS ASP PRO GLU LEU SER LYS GLN PHE SEQRES 12 B 206 SER ARG ASN ASN ASN ASP ARG MET LYS VAL GLY LYS ALA SEQRES 13 B 206 PRO LYS THR ARG THR GLN ASP VAL SER GLY LYS ARG THR SEQRES 14 B 206 SER PHE GLU LEU HIS HIS GLU LYS PRO ILE SER GLN ASN SEQRES 15 B 206 GLY GLY VAL TYR ASP MET ASP ASN ILE SER VAL VAL THR SEQRES 16 B 206 PRO LYS ARG HIS ILE ASP ILE HIS ARG GLY LYS HET ZN B 600 1 HETNAM ZN ZINC ION FORMUL 3 ZN ZN 2+ FORMUL 4 HOH *162(H2 O) HELIX 1 H1A GLU A 12 ASN A 26 5 15 HELIX 2 H2A LEU A 34 THR A 45 5 12 HELIX 3 H3A ASP A 52 TYR A 55 5 4 HELIX 4 H4A PRO A 65 ALA A 77 5 13 HELIX 5 H1B ASP B 478 LEU B 484 5 7 HELIX 6 H2B PHE B 492 LYS B 505 5 14 HELIX 7 H3B PRO B 507 GLN B 512 5 6 HELIX 8 H4B ARG B 515 LYS B 522 5 8 HELIX 9 H5B PRO B 566 ASP B 571 5 6 SHEET 1 SA 1 GLY B 451 LYS B 452 0 SHEET 1 SB 1 SER B 474 PRO B 475 0 SHEET 1 SC 1 GLU B 488 PHE B 489 0 SHEET 1 SD 1 GLU B 542 HIS B 545 0 SHEET 1 SE 1 ILE B 561 VAL B 564 0 LINK ZN ZN B 600 O HOH B 863 1555 1555 2.16 LINK ZN ZN B 600 ND1 HIS B 544 1555 1555 2.06 LINK ZN ZN B 600 NE2 HIS B 569 1555 1555 1.92 LINK ZN ZN B 600 NE2 HIS B 573 1555 1555 2.57 SITE 1 ZNB 4 HIS B 544 HIS B 569 HIS B 573 ZN B 600 SITE 1 AC1 4 HIS B 544 HIS B 569 HIS B 573 HOH B 863 CRYST1 65.440 76.020 119.990 90.00 90.00 90.00 I 2 2 2 8 ORIGX1 1.000000 0.000000 0.000000 0.00000 ORIGX2 0.000000 1.000000 0.000000 0.00000 ORIGX3 0.000000 0.000000 1.000000 0.00000 SCALE1 0.015281 0.000000 0.000000 0.00000 SCALE2 0.000000 0.013154 0.000000 0.00000 SCALE3 0.000000 0.000000 0.008334 0.00000