1MZ8 - Header Asymmetric Unit

HEADER TOXIN,HYDROLASE/PROTEIN BINDING 07-OCT-02 1MZ8

TITLE CRYSTAL STRUCTURES OF THE NUCLEASE DOMAIN OF COLE7/IM7 IN TITLE 2 COMPLEX WITH A PHOSPHATE ION AND A ZINC ION

COMPND MOL_ID: 1; COMPND 2 MOLECULE: COLICIN E7 IMMUNITY PROTEIN; COMPND 3 CHAIN: A, C; COMPND 4 ENGINEERED: YES; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: COLICIN E7; COMPND 7 CHAIN: B, D; COMPND 8 FRAGMENT: NUCLEASE DOMAIN; COMPND 9 EC: 3.1.-.-; COMPND 10 ENGINEERED: YES

SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 GENE: CEI7; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: M15; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PQE70; SOURCE 10 MOL_ID: 2; SOURCE 11 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 12 ORGANISM_TAXID: 562; SOURCE 13 GENE: CEA7; SOURCE 14 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 15 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 16 EXPRESSION_SYSTEM_STRAIN: M15; SOURCE 17 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 18 EXPRESSION_SYSTEM_PLASMID: PQE30

KEYWDS H-N-H MOTIF, TOXIN,HYDROLASE/PROTEIN BINDING COMPLEX

EXPDTA X-RAY DIFFRACTION

AUTHOR M.J.SUI,L.C.TSAI,K.C.HSIA,L.G.DOUDEVA,W.Y.KU,G.W.HAN, AUTHOR 2 H.S.YUAN

REVDAT 2 24-FEB-09 1MZ8 1 VERSN REVDAT 1 23-DEC-02 1MZ8 0

JRNL AUTH M.J.SUI,L.C.TSAI,K.C.HSIA,L.G.DOUDEVA,W.Y.KU, JRNL AUTH 2 G.W.HAN,H.S.YUAN JRNL TITL METAL IONS AND PHOSPHATE BINDING IN THE H-N-H JRNL TITL 2 MOTIF: CRYSTAL STRUCTURES OF THE NUCLEASE DOMAIN JRNL TITL 3 OF COLE7/IM7 IN COMPLEX WITH A PHOSPHATE ION AND JRNL TITL 4 DIFFERENT DIVALENT METAL IONS JRNL REF PROTEIN SCI. V. 11 2947 2002 JRNL REFN ISSN 0961-8368 JRNL PMID 12441392 JRNL DOI 10.1110/PS.0220602

REMARK 1

REMARK 2 REMARK 2 RESOLUTION. 2.00 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 : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 27.97 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 635436.500 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 93.6 REMARK 3 NUMBER OF REFLECTIONS : 35838 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) : 0.183 REMARK 3 FREE R VALUE : 0.230 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.100 REMARK 3 FREE R VALUE TEST SET COUNT : 3616 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.004 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) : 2.00 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.13 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 84.60 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 4764 REMARK 3 BIN R VALUE (WORKING SET) : 0.2050 REMARK 3 BIN FREE R VALUE : 0.2590 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 10.10 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 536 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.011 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 3507 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 12 REMARK 3 SOLVENT ATOMS : 562 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 15.10 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 29.70 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -5.78000 REMARK 3 B22 (A**2) : 2.73000 REMARK 3 B33 (A**2) : 3.05000 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) : 0.20 REMARK 3 ESD FROM SIGMAA (A) : 0.13 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) : 0.26 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.19 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.014 REMARK 3 BOND ANGLES (DEGREES) : 1.60 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 22.10 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.04 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) : 1.790 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.390 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.640 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 3.670 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.39 REMARK 3 BSOL : 62.42 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 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 3 : ION.PARAM REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : WATER.TOP REMARK 3 TOPOLOGY FILE 3 : ION.TOP REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL

REMARK 4 REMARK 4 1MZ8 COMPLIES WITH FORMAT V. 3.15, 01-DEC-08

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 09-OCT-02. REMARK 100 THE RCSB ID CODE IS RCSB017322.

REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.3 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSRRC REMARK 200 BEAMLINE : BL17B2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.29004 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IV REMARK 200 INTENSITY-INTEGRATION SOFTWARE : R-AXIS REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 36897 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.000 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 (%) : 96.1 REMARK 200 DATA REDUNDANCY : 4.600 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.06100 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 21.7000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.00 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.07 REMARK 200 COMPLETENESS FOR SHELL (%) : 96.1 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.27800 REMARK 200 <I/SIGMA(I)> FOR SHELL : 5.500 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: 7CEI REMARK 200 REMARK 200 REMARK: NULL

REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 54.60 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.70 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG4000, SODIUM PHOSPHATE, AMMONIUM REMARK 280 ACETATE, PH 6.3, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE REMARK 280 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 59.86750 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 31.20500 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 59.86750 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 31.20500 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL

REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 THIS ENTRY CONTAINS THE CRYSTALLOGRAPHIC REMARK 300 ASYMMETRIC UNIT WHICH CONSISTS OF 4 CHAIN(S), THAT IS TWO REMARK 300 HETERODIMERS. SEE REMARK 350 FOR INFORMATION ON GENERATING THE REMARK 300 BIOLOGICAL MOLECULE(S).

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 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: C, D 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 954 LIES ON A SPECIAL POSITION. REMARK 375 HOH C 869 LIES ON A SPECIAL POSITION. REMARK 375 HOH D1071 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 LYS D 446

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 642 O HOH B 858 2.18 REMARK 500 O HOH A 644 O HOH A 798 2.19 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 ARG A 61 NE - CZ - NH1 ANGL. DEV. = 5.1 DEGREES REMARK 500 ARG A 61 NE - CZ - NH2 ANGL. DEV. = -4.5 DEGREES REMARK 500 ARG C 61 NE - CZ - NH1 ANGL. DEV. = 4.0 DEGREES REMARK 500 ARG C 61 NE - CZ - NH2 ANGL. DEV. = -5.0 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 GLN A 86 31.26 -85.52 REMARK 500 ASP B 471 -121.95 53.00 REMARK 500 SER B 550 26.55 -73.70 REMARK 500 GLN B 551 59.42 -175.64 REMARK 500 ASP D 471 -128.31 52.21 REMARK 500 GLN D 551 62.41 -154.02 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 D 875 DISTANCE = 5.32 ANGSTROMS REMARK 525 HOH B 966 DISTANCE = 7.19 ANGSTROMS REMARK 525 HOH A 952 DISTANCE = 5.78 ANGSTROMS REMARK 525 HOH D 921 DISTANCE = 6.12 ANGSTROMS REMARK 525 HOH A 955 DISTANCE = 5.04 ANGSTROMS REMARK 525 HOH A 974 DISTANCE = 8.79 ANGSTROMS REMARK 525 HOH D 934 DISTANCE = 8.35 ANGSTROMS REMARK 525 HOH A1014 DISTANCE = 5.74 ANGSTROMS REMARK 525 HOH A1042 DISTANCE = 6.56 ANGSTROMS REMARK 525 HOH A1046 DISTANCE = 6.12 ANGSTROMS REMARK 525 HOH A1049 DISTANCE = 5.48 ANGSTROMS REMARK 525 HOH C1142 DISTANCE = 6.94 ANGSTROMS REMARK 525 HOH B1099 DISTANCE = 7.46 ANGSTROMS REMARK 525 HOH B1115 DISTANCE = 5.19 ANGSTROMS REMARK 525 HOH D1071 DISTANCE = 11.35 ANGSTROMS REMARK 525 HOH D1154 DISTANCE = 6.45 ANGSTROMS REMARK 525 HOH D1156 DISTANCE = 5.25 ANGSTROMS REMARK 525 HOH D1157 DISTANCE = 7.49 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 HIS B 544 ND1 REMARK 620 2 HIS B 573 NE2 110.4 REMARK 620 3 PO4 B 601 O3 107.6 115.2 REMARK 620 4 HIS B 569 NE2 109.0 99.8 114.7 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN D 600 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS D 544 ND1 REMARK 620 2 HIS D 569 NE2 105.7 REMARK 620 3 HIS D 573 NE2 105.3 108.9 REMARK 620 4 PO4 D 601 O4 94.9 119.1 119.9 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 B 600 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 B 601 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN D 600 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 D 601

REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 7CEI RELATED DB: PDB REMARK 900 7CEI CONTAINS THE ENDONUCLEASE DOMAIN OF COLICIN E7 REMARK 900 COMPLEXED WITH ITS INHIBITOR IM7 PROTEIN

DBREF 1MZ8 A 1 87 UNP Q03708 IMM7_ECOLI 1 87 DBREF 1MZ8 C 1 87 UNP Q03708 IMM7_ECOLI 1 87 DBREF 1MZ8 B 446 576 UNP Q47112 CEA7_ECOLI 446 576 DBREF 1MZ8 D 446 576 UNP Q47112 CEA7_ECOLI 446 576

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 131 LYS ARG ASN LYS PRO GLY LYS ALA THR GLY LYS GLY LYS SEQRES 2 B 131 PRO VAL ASN ASN LYS TRP LEU ASN ASN ALA GLY LYS ASP SEQRES 3 B 131 LEU GLY SER PRO VAL PRO ASP ARG ILE ALA ASN LYS LEU SEQRES 4 B 131 ARG ASP LYS GLU PHE LYS SER PHE ASP ASP PHE ARG LYS SEQRES 5 B 131 LYS PHE TRP GLU GLU VAL SER LYS ASP PRO GLU LEU SER SEQRES 6 B 131 LYS GLN PHE SER ARG ASN ASN ASN ASP ARG MET LYS VAL SEQRES 7 B 131 GLY LYS ALA PRO LYS THR ARG THR GLN ASP VAL SER GLY SEQRES 8 B 131 LYS ARG THR SER PHE GLU LEU HIS HIS GLU LYS PRO ILE SEQRES 9 B 131 SER GLN ASN GLY GLY VAL TYR ASP MET ASP ASN ILE SER SEQRES 10 B 131 VAL VAL THR PRO LYS ARG HIS ILE ASP ILE HIS ARG GLY SEQRES 11 B 131 LYS SEQRES 1 C 87 MET GLU LEU LYS ASN SER ILE SER ASP TYR THR GLU ALA SEQRES 2 C 87 GLU PHE VAL GLN LEU LEU LYS GLU ILE GLU LYS GLU ASN SEQRES 3 C 87 VAL ALA ALA THR ASP ASP VAL LEU ASP VAL LEU LEU GLU SEQRES 4 C 87 HIS PHE VAL LYS ILE THR GLU HIS PRO ASP GLY THR ASP SEQRES 5 C 87 LEU ILE TYR TYR PRO SER ASP ASN ARG ASP ASP SER PRO SEQRES 6 C 87 GLU GLY ILE VAL LYS GLU ILE LYS GLU TRP ARG ALA ALA SEQRES 7 C 87 ASN GLY LYS PRO GLY PHE LYS GLN GLY SEQRES 1 D 131 LYS ARG ASN LYS PRO GLY LYS ALA THR GLY LYS GLY LYS SEQRES 2 D 131 PRO VAL ASN ASN LYS TRP LEU ASN ASN ALA GLY LYS ASP SEQRES 3 D 131 LEU GLY SER PRO VAL PRO ASP ARG ILE ALA ASN LYS LEU SEQRES 4 D 131 ARG ASP LYS GLU PHE LYS SER PHE ASP ASP PHE ARG LYS SEQRES 5 D 131 LYS PHE TRP GLU GLU VAL SER LYS ASP PRO GLU LEU SER SEQRES 6 D 131 LYS GLN PHE SER ARG ASN ASN ASN ASP ARG MET LYS VAL SEQRES 7 D 131 GLY LYS ALA PRO LYS THR ARG THR GLN ASP VAL SER GLY SEQRES 8 D 131 LYS ARG THR SER PHE GLU LEU HIS HIS GLU LYS PRO ILE SEQRES 9 D 131 SER GLN ASN GLY GLY VAL TYR ASP MET ASP ASN ILE SER SEQRES 10 D 131 VAL VAL THR PRO LYS ARG HIS ILE ASP ILE HIS ARG GLY SEQRES 11 D 131 LYS

HET ZN B 600 1 HET PO4 B 601 5 HET ZN D 600 1 HET PO4 D 601 5

HETNAM ZN ZINC ION HETNAM PO4 PHOSPHATE ION

FORMUL 5 ZN 2(ZN 2+) FORMUL 6 PO4 2(O4 P 3-) FORMUL 9 HOH *562(H2 O)

HELIX 1 1 SER A 6 TYR A 10 5 5 HELIX 2 2 THR A 11 VAL A 27 1 17 HELIX 3 3 ASP A 31 GLU A 46 1 16 HELIX 4 4 THR A 51 TYR A 56 1 6 HELIX 5 5 SER A 64 ASN A 79 1 16 HELIX 6 6 PRO B 477 ARG B 485 1 9 HELIX 7 7 SER B 491 ASP B 506 1 16 HELIX 8 8 ASP B 506 LYS B 511 1 6 HELIX 9 9 SER B 514 VAL B 523 1 10 HELIX 10 10 ARG B 530 VAL B 534 5 5 HELIX 11 11 PRO B 548 ASN B 552 5 5 HELIX 12 12 THR B 565 ARG B 574 1 10 HELIX 13 13 SER C 6 TYR C 10 5 5 HELIX 14 14 THR C 11 VAL C 27 1 17 HELIX 15 15 ASP C 31 GLU C 46 1 16 HELIX 16 16 THR C 51 TYR C 56 1 6 HELIX 17 17 SER C 64 ASN C 79 1 16 HELIX 18 18 PRO D 477 ARG D 485 1 9 HELIX 19 19 SER D 491 ASP D 506 1 16 HELIX 20 20 ASP D 506 LYS D 511 1 6 HELIX 21 21 SER D 514 VAL D 523 1 10 HELIX 22 22 ARG D 530 VAL D 534 5 5 HELIX 23 23 PRO D 548 ASN D 552 5 5 HELIX 24 24 THR D 565 ARG D 574 1 10

SHEET 1 A 2 GLY B 451 LYS B 452 0 SHEET 2 A 2 GLU B 488 PHE B 489 -1 O PHE B 489 N GLY B 451 SHEET 1 B 3 SER B 474 PRO B 475 0 SHEET 2 B 3 ILE B 561 VAL B 564 -1 O VAL B 563 N SER B 474 SHEET 3 B 3 GLU B 542 HIS B 545 -1 N GLU B 542 O VAL B 564 SHEET 1 C 2 GLY D 451 LYS D 452 0 SHEET 2 C 2 GLU D 488 PHE D 489 -1 O PHE D 489 N GLY D 451 SHEET 1 D 3 SER D 474 PRO D 475 0 SHEET 2 D 3 ILE D 561 VAL D 564 -1 O VAL D 563 N SER D 474 SHEET 3 D 3 GLU D 542 HIS D 545 -1 N GLU D 542 O VAL D 564

LINK ZN ZN B 600 ND1 HIS B 544 1555 1555 1.98 LINK ZN ZN B 600 NE2 HIS B 573 1555 1555 2.07 LINK ZN ZN B 600 O3 PO4 B 601 1555 1555 2.04 LINK ZN ZN D 600 ND1 HIS D 544 1555 1555 2.09 LINK ZN ZN D 600 NE2 HIS D 569 1555 1555 2.10 LINK ZN ZN D 600 NE2 HIS D 573 1555 1555 2.15 LINK ZN ZN D 600 O4 PO4 D 601 1555 1555 2.07 LINK ZN ZN B 600 NE2 HIS B 569 1555 1555 2.22

SITE 1 AC1 4 HIS B 544 HIS B 569 HIS B 573 PO4 B 601 SITE 1 AC2 6 ARG B 447 HIS B 544 HIS B 545 HIS B 569 SITE 2 AC2 6 HIS B 573 ZN B 600 SITE 1 AC3 4 HIS D 544 HIS D 569 HIS D 573 PO4 D 601 SITE 1 AC4 7 ARG D 447 HIS D 544 HIS D 545 HIS D 569 SITE 2 AC4 7 HIS D 573 ZN D 600 HOH D1033

CRYST1 119.735 62.410 74.137 90.00 90.00 90.00 P 21 21 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 0.008352 0.000000 0.000000 0.00000

SCALE2 0.000000 0.016023 0.000000 0.00000

SCALE3 0.000000 0.000000 0.013489 0.00000