HEADER TRANSCRIPTION 15-JUL-03 1Q08 TITLE CRYSTAL STRUCTURE OF THE ZN(II) FORM OF E. COLI ZNTR, A ZINC-SENSING TITLE 2 TRANSCRIPTIONAL REGULATOR, AT 1.9 A RESOLUTION (SPACE GROUP P212121) COMPND MOL_ID: 1; COMPND 2 MOLECULE: ZN(II)-RESPONSIVE REGULATOR OF ZNTA; COMPND 3 CHAIN: A, B; COMPND 4 FRAGMENT: ZNTR DIMERIZATION AND METAL-BINDING DOMAINS; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 GENE: ZNTR; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET11C KEYWDS MERR FAMILY TRANSCRIPTIONAL REGULATOR, ZN(II)-RESPONSIVE REGULATOR OF KEYWDS 2 ZNTA, TRANSCRIPTION EXPDTA X-RAY DIFFRACTION AUTHOR A.CHANGELA,K.CHEN,Y.XUE,J.HOLSCHEN,C.E.OUTTEN,T.V.O'HALLORAN, AUTHOR 2 A.MONDRAGON REVDAT 3 14-FEB-24 1Q08 1 REMARK LINK REVDAT 2 24-FEB-09 1Q08 1 VERSN REVDAT 1 16-SEP-03 1Q08 0 JRNL AUTH A.CHANGELA,K.CHEN,Y.XUE,J.HOLSCHEN,C.E.OUTTEN, JRNL AUTH 2 T.V.O'HALLORAN,A.MONDRAGON JRNL TITL MOLECULAR BASIS OF METAL-ION SELECTIVITY AND ZEPTOMOLAR JRNL TITL 2 SENSITIVITY BY CUER JRNL REF SCIENCE V. 301 1383 2003 JRNL REFN ISSN 0036-8075 JRNL PMID 12958362 JRNL DOI 10.1126/SCIENCE.1085950 REMARK 2 REMARK 2 RESOLUTION. 1.90 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) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 28.83 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 1125381.480 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 98.6 REMARK 3 NUMBER OF REFLECTIONS : 18866 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 : 0.214 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.900 REMARK 3 FREE R VALUE TEST SET COUNT : 917 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.007 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) : 1.90 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.02 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 98.60 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 2927 REMARK 3 BIN R VALUE (WORKING SET) : 0.2170 REMARK 3 BIN FREE R VALUE : 0.2560 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 4.80 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 149 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.021 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1453 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 15 REMARK 3 SOLVENT ATOMS : 236 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 15.00 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 24.00 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 3.70000 REMARK 3 B22 (A**2) : 4.26000 REMARK 3 B33 (A**2) : -7.96000 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) : 0.19 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) : 0.22 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.16 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.004 REMARK 3 BOND ANGLES (DEGREES) : 1.200 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 16.70 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.650 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) : 1.170 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.680 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.380 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 3.780 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.40 REMARK 3 BSOL : 55.39 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 : ION.PARAM REMARK 3 PARAMETER FILE 3 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : ION.TOP REMARK 3 TOPOLOGY FILE 3 : WATER.TOP REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1Q08 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 17-JUL-03. REMARK 100 THE DEPOSITION ID IS D_1000019752. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 18-MAY-01 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRL REMARK 200 BEAMLINE : BL9-1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : CCP4 (SCALA) REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 18897 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.900 REMARK 200 RESOLUTION RANGE LOW (A) : 29.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.2 REMARK 200 DATA REDUNDANCY : 2.700 REMARK 200 R MERGE (I) : 0.08100 REMARK 200 R SYM (I) : 0.06600 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 8.4000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.90 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.95 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.0 REMARK 200 DATA REDUNDANCY IN SHELL : 2.70 REMARK 200 R MERGE FOR SHELL (I) : 0.35400 REMARK 200 R SYM FOR SHELL (I) : 0.28500 REMARK 200 <I/SIGMA(I)> FOR SHELL : 2.600 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SIRAS REMARK 200 SOFTWARE USED: SHARP REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 53.09 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.62 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: SODIUM PHOSPHATE DIBASIC, MES, SODIUM REMARK 280 CHLORIDE, MAGNESIUM CHLORIDE, PH 6.5, VAPOR DIFFUSION, HANGING REMARK 280 DROP, TEMPERATURE 291K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 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 20.99450 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 59.46350 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 23.34050 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 59.46350 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 20.99450 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 23.34050 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1 REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON REMARK 300 BURIED SURFACE AREA. REMARK 350 REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS REMARK 350 GIVEN BELOW. BOTH NON-CRYSTALLOGRAPHIC AND REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN. REMARK 350 REMARK 350 BIOMOLECULE: 1 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 5470 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 10450 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -204.0 KCAL/MOL 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 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 VAL A 137 REMARK 465 LYS A 138 REMARK 465 SER A 139 REMARK 465 GLY A 140 REMARK 465 CYS A 141 REMARK 465 SER B 43 REMARK 465 ASP B 44 REMARK 465 ALA B 134 REMARK 465 SER B 135 REMARK 465 GLY B 136 REMARK 465 VAL B 137 REMARK 465 LYS B 138 REMARK 465 SER B 139 REMARK 465 GLY B 140 REMARK 465 CYS B 141 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 THR A 117 -168.14 -117.82 REMARK 500 THR B 117 -167.25 -117.00 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 B 403 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 79 SG REMARK 620 2 CYS B 114 SG 109.2 REMARK 620 3 CYS B 124 SG 106.9 111.4 REMARK 620 4 PO4 B 302 O3 108.2 112.6 108.4 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN B 404 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 79 SG REMARK 620 2 CYS B 115 SG 114.4 REMARK 620 3 HIS B 119 ND1 106.2 109.6 REMARK 620 4 PO4 B 302 O2 108.8 105.1 112.9 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN A 401 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 114 SG REMARK 620 2 CYS A 124 SG 110.1 REMARK 620 3 PO4 A 301 O4 110.4 110.5 REMARK 620 4 CYS B 79 SG 111.5 106.4 107.9 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN A 402 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 115 SG REMARK 620 2 HIS A 119 ND1 106.9 REMARK 620 3 PO4 A 301 O2 103.6 114.1 REMARK 620 4 CYS B 79 SG 115.4 108.6 108.4 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG A 501 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 502 O REMARK 620 2 HOH A 503 O 174.1 REMARK 620 3 HOH A 504 O 91.8 93.3 REMARK 620 4 HOH A 505 O 86.5 88.0 170.8 REMARK 620 5 HOH A 506 O 90.1 86.9 88.8 82.1 REMARK 620 6 HOH A 507 O 97.8 84.8 94.1 95.1 171.4 REMARK 620 N 1 2 3 4 5 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 A 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 B 302 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 401 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 402 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN B 403 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN B 404 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 501 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1Q09 RELATED DB: PDB REMARK 900 THE ZN(II) FORM OF E. COLI ZNTR (SPACE GROUP I4122) REMARK 900 RELATED ID: 1Q0A RELATED DB: PDB REMARK 900 THE ZN(II) FORM OF E. COLI ZNTR (SPACE GROUP C222) DBREF 1Q08 A 43 141 UNP P0ACS5 ZNTR_ECOLI 43 141 DBREF 1Q08 B 43 141 UNP P0ACS5 ZNTR_ECOLI 43 141 SEQRES 1 A 99 SER ASP LEU GLN ARG LEU LYS PHE ILE ARG HIS ALA ARG SEQRES 2 A 99 GLN LEU GLY PHE SER LEU GLU SER ILE ARG GLU LEU LEU SEQRES 3 A 99 SER ILE ARG ILE ASP PRO GLU HIS HIS THR CYS GLN GLU SEQRES 4 A 99 SER LYS GLY ILE VAL GLN GLU ARG LEU GLN GLU VAL GLU SEQRES 5 A 99 ALA ARG ILE ALA GLU LEU GLN SER MET GLN ARG SER LEU SEQRES 6 A 99 GLN ARG LEU ASN ASP ALA CYS CYS GLY THR ALA HIS SER SEQRES 7 A 99 SER VAL TYR CYS SER ILE LEU GLU ALA LEU GLU GLN GLY SEQRES 8 A 99 ALA SER GLY VAL LYS SER GLY CYS SEQRES 1 B 99 SER ASP LEU GLN ARG LEU LYS PHE ILE ARG HIS ALA ARG SEQRES 2 B 99 GLN LEU GLY PHE SER LEU GLU SER ILE ARG GLU LEU LEU SEQRES 3 B 99 SER ILE ARG ILE ASP PRO GLU HIS HIS THR CYS GLN GLU SEQRES 4 B 99 SER LYS GLY ILE VAL GLN GLU ARG LEU GLN GLU VAL GLU SEQRES 5 B 99 ALA ARG ILE ALA GLU LEU GLN SER MET GLN ARG SER LEU SEQRES 6 B 99 GLN ARG LEU ASN ASP ALA CYS CYS GLY THR ALA HIS SER SEQRES 7 B 99 SER VAL TYR CYS SER ILE LEU GLU ALA LEU GLU GLN GLY SEQRES 8 B 99 ALA SER GLY VAL LYS SER GLY CYS HET PO4 A 301 5 HET ZN A 401 1 HET ZN A 402 1 HET MG A 501 1 HET PO4 B 302 5 HET ZN B 403 1 HET ZN B 404 1 HETNAM PO4 PHOSPHATE ION HETNAM ZN ZINC ION HETNAM MG MAGNESIUM ION FORMUL 3 PO4 2(O4 P 3-) FORMUL 4 ZN 4(ZN 2+) FORMUL 6 MG MG 2+ FORMUL 10 HOH *236(H2 O) HELIX 1 1 SER A 43 LEU A 57 1 15 HELIX 2 2 SER A 60 ASP A 73 1 14 HELIX 3 3 PRO A 74 HIS A 77 5 4 HELIX 4 4 THR A 78 CYS A 114 1 37 HELIX 5 5 SER A 120 TYR A 123 5 4 HELIX 6 6 CYS A 124 GLY A 133 1 10 HELIX 7 7 LEU B 45 LEU B 57 1 13 HELIX 8 8 SER B 60 ASP B 73 1 14 HELIX 9 9 PRO B 74 HIS B 77 5 4 HELIX 10 10 THR B 78 CYS B 114 1 37 HELIX 11 11 SER B 120 TYR B 123 5 4 HELIX 12 12 CYS B 124 GLY B 133 1 10 LINK SG CYS A 79 ZN ZN B 403 1555 1555 2.43 LINK SG CYS A 79 ZN ZN B 404 1555 1555 2.43 LINK SG CYS A 114 ZN ZN A 401 1555 1555 2.34 LINK SG CYS A 115 ZN ZN A 402 1555 1555 2.37 LINK ND1 HIS A 119 ZN ZN A 402 1555 1555 2.23 LINK SG CYS A 124 ZN ZN A 401 1555 1555 2.43 LINK O4 PO4 A 301 ZN ZN A 401 1555 1555 2.13 LINK O2 PO4 A 301 ZN ZN A 402 1555 1555 2.13 LINK ZN ZN A 401 SG CYS B 79 1555 1555 2.43 LINK ZN ZN A 402 SG CYS B 79 1555 1555 2.44 LINK MG MG A 501 O HOH A 502 1555 1555 2.10 LINK MG MG A 501 O HOH A 503 1555 1555 2.15 LINK MG MG A 501 O HOH A 504 1555 1555 2.12 LINK MG MG A 501 O HOH A 505 1555 1555 2.06 LINK MG MG A 501 O HOH A 506 1555 1555 2.12 LINK MG MG A 501 O HOH A 507 1555 1555 2.17 LINK SG CYS B 114 ZN ZN B 403 1555 1555 2.34 LINK SG CYS B 115 ZN ZN B 404 1555 1555 2.34 LINK ND1 HIS B 119 ZN ZN B 404 1555 1555 2.28 LINK SG CYS B 124 ZN ZN B 403 1555 1555 2.47 LINK O3 PO4 B 302 ZN ZN B 403 1555 1555 2.14 LINK O2 PO4 B 302 ZN ZN B 404 1555 1555 2.16 SITE 1 AC1 13 ALA A 113 CYS A 114 CYS A 115 HIS A 119 SITE 2 AC1 13 TYR A 123 CYS A 124 SER A 125 ZN A 401 SITE 3 AC1 13 ZN A 402 HOH A 503 HOH A 508 CYS B 79 SITE 4 AC1 13 HIS B 119 SITE 1 AC2 13 CYS A 79 HIS A 119 HOH A 503 ALA B 113 SITE 2 AC2 13 CYS B 114 CYS B 115 HIS B 119 TYR B 123 SITE 3 AC2 13 CYS B 124 SER B 125 ZN B 403 ZN B 404 SITE 4 AC2 13 HOH B 408 SITE 1 AC3 5 CYS A 114 CYS A 124 PO4 A 301 ZN A 402 SITE 2 AC3 5 CYS B 79 SITE 1 AC4 5 CYS A 115 HIS A 119 PO4 A 301 ZN A 401 SITE 2 AC4 5 CYS B 79 SITE 1 AC5 5 CYS A 79 CYS B 114 CYS B 124 PO4 B 302 SITE 2 AC5 5 ZN B 404 SITE 1 AC6 5 CYS A 79 CYS B 115 HIS B 119 PO4 B 302 SITE 2 AC6 5 ZN B 403 SITE 1 AC7 6 HOH A 502 HOH A 503 HOH A 504 HOH A 505 SITE 2 AC7 6 HOH A 506 HOH A 507 CRYST1 41.989 46.681 118.927 90.00 90.00 90.00 P 21 21 21 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 0.023816 0.000000 0.000000 0.00000 SCALE2 0.000000 0.021422 0.000000 0.00000 SCALE3 0.000000 0.000000 0.008409 0.00000