HEADER HYDROLASE 18-SEP-98 1BVT TITLE METALLO-BETA-LACTAMASE FROM BACILLUS CEREUS 569/H/9 COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROTEIN (BETA-LACTAMASE); COMPND 3 CHAIN: A; COMPND 4 SYNONYM: CLASS B BETA-LACTAMASE; COMPND 5 EC: 3.5.2.6; COMPND 6 ENGINEERED: YES; COMPND 7 OTHER_DETAILS: 100 MICROMOLAR ZN IN THE BUFFER SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BACILLUS CEREUS; SOURCE 3 ORGANISM_TAXID: 1396; SOURCE 4 STRAIN: DH1; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: DH1; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PRTWHO12 KEYWDS HYDROLASE (BETA-LACTAMASE), METALLO BETA-LACTAMASE, ZINC, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR A.CARFI,E.DUEE,O.DIDEBERG REVDAT 8 03-APR-24 1BVT 1 REMARK REVDAT 7 07-FEB-24 1BVT 1 REMARK REVDAT 6 11-APR-18 1BVT 1 REMARK REVDAT 5 04-APR-18 1BVT 1 REMARK REVDAT 4 24-FEB-09 1BVT 1 VERSN REVDAT 3 12-APR-00 1BVT 1 SPRSDE REVDAT 2 29-DEC-99 1BVT 4 HEADER COMPND REMARK JRNL REVDAT 2 2 4 ATOM SOURCE SEQRES REVDAT 1 23-SEP-98 1BVT 0 SPRSDE 12-APR-00 1BVT 1BME JRNL AUTH A.CARFI,E.DUEE,M.GALLENI,J.M.FRERE,O.DIDEBERG JRNL TITL 1.85 A RESOLUTION STRUCTURE OF THE ZINC (II) BETA-LACTAMASE JRNL TITL 2 FROM BACILLUS CEREUS. JRNL REF ACTA CRYSTALLOGR.,SECT.D V. 54 313 1998 JRNL REFN ISSN 0907-4449 JRNL PMID 9761898 JRNL DOI 10.1107/S0907444997010627 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH A.CARFI,S.PARES,E.DUEE,M.GALLENI,C.DUEZ,J.M.FRERE,O.DIDEBERG REMARK 1 TITL THE 3-D STRUCTURE OF A ZINC METALLO-BETA-LACTAMASE FROM REMARK 1 TITL 2 BACILLUS CEREUS REVEALS A NEW TYPE OF PROTEIN FOLD REMARK 1 REF EMBO J. V. 14 4914 1995 REMARK 1 REFN ISSN 0261-4189 REMARK 2 REMARK 2 RESOLUTION. 1.85 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.1 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.85 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 94.1 REMARK 3 NUMBER OF REFLECTIONS : 17705 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.222 REMARK 3 FREE R VALUE : 0.269 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : NULL 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 : 1710 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 6 REMARK 3 SOLVENT ATOMS : 205 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL 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) : 0.20 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) : 0.020 REMARK 3 BOND ANGLES (DEGREES) : 1.700 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL 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 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: REMARK 3 FINAL RMS COORD. SHIFT 0.015 ANGSTROMS MEAN B VALUE (MAIN CHAIN, A* REMARK 3 *2): 13. REMARK 3 MEAN B VALUE (SIDE CHAIN, A**2): 15. MEAN B VALUE (SOLVENT, A**2): REMARK 3 26. MEAN B REMARK 3 VALUE (ZINC IONS, A**2): 24. REMARK 4 REMARK 4 1BVT COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB. REMARK 100 THE DEPOSITION ID IS D_1000008336. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-FEB-96 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5.6 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : BM02 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.982 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : CCP4 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 15240 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.850 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 80.9 REMARK 200 DATA REDUNDANCY : 2.600 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 7.00000 REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.85 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.92 REMARK 200 COMPLETENESS FOR SHELL (%) : 79.3 REMARK 200 DATA REDUNDANCY IN SHELL : 2.00 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 10.0000 REMARK 200 FOR SHELL : NULL 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: B.CEREUS EMBO J. REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 38.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.33 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: SEE IN ACTA CRYSTALLOG PAPER, PH 5.6 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1 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 26.50000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 30.67500 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 26.50000 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 30.67500 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: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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 SER A 1 REMARK 465 GLN A 2 REMARK 465 LYS A 3 REMARK 465 VAL A 4 REMARK 465 GLU A 5 REMARK 465 LYS A 6 REMARK 475 REMARK 475 ZERO OCCUPANCY RESIDUES REMARK 475 THE FOLLOWING RESIDUES WERE MODELED WITH ZERO OCCUPANCY. REMARK 475 THE LOCATION AND PROPERTIES OF THESE RESIDUES MAY NOT REMARK 475 BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 475 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE) REMARK 475 M RES C SSEQI REMARK 475 ASN A 11 REMARK 475 GLU A 12 REMARK 475 THR A 13 REMARK 475 GLY A 14 REMARK 475 GLY A 32 REMARK 475 SER A 33 REMARK 475 PHE A 34 REMARK 475 ASN A 35 REMARK 475 GLY A 36 REMARK 475 GLU A 37 REMARK 475 ALA A 38 REMARK 480 REMARK 480 ZERO OCCUPANCY ATOM REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 480 M RES C SSEQI ATOMS REMARK 480 THR A 7 N CB OG1 CG2 REMARK 480 VAL A 8 CB CG1 CG2 REMARK 480 ILE A 9 CB CG1 CG2 CD1 REMARK 480 LYS A 10 O CB CG CD CE NZ REMARK 480 THR A 15 N REMARK 480 LYS A 23 CB CG CD CE NZ REMARK 480 LYS A 62 CG CD CE NZ REMARK 480 ASN A 137 OD1 ND2 REMARK 480 LYS A 139 NZ REMARK 480 LYS A 198 CG CD CE NZ 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 THR A 15 N - CA - C ANGL. DEV. = 22.5 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 THR A 13 111.24 36.41 REMARK 500 THR A 15 125.52 -20.93 REMARK 500 ASN A 35 -123.02 58.26 REMARK 500 GLU A 37 -36.07 -170.43 REMARK 500 ASP A 56 147.55 75.68 REMARK 500 SER A 57 -126.71 -93.83 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 228 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 86 NE2 REMARK 620 2 HIS A 88 ND1 100.1 REMARK 620 3 HIS A 149 NE2 113.9 103.9 REMARK 620 4 HOH A 516 O 162.6 83.1 81.5 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN A 229 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 90 OD2 REMARK 620 2 CYS A 168 SG 99.4 REMARK 620 3 HIS A 210 NE2 85.3 103.7 REMARK 620 N 1 2 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: ZN1 REMARK 800 EVIDENCE_CODE: AUTHOR REMARK 800 SITE_DESCRIPTION: WATER 301 LINK TO ZN 228 , THIS SITE IS THE REMARK 800 CATALYTIC SITE REMARK 800 REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 229 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BCT A 230 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 228 DBREF 1BVT A 1 227 UNP P04190 BLA2_BACCE 31 257 SEQRES 1 A 227 SER GLN LYS VAL GLU LYS THR VAL ILE LYS ASN GLU THR SEQRES 2 A 227 GLY THR ILE SER ILE SER GLN LEU ASN LYS ASN VAL TRP SEQRES 3 A 227 VAL HIS THR GLU LEU GLY SER PHE ASN GLY GLU ALA VAL SEQRES 4 A 227 PRO SER ASN GLY LEU VAL LEU ASN THR SER LYS GLY LEU SEQRES 5 A 227 VAL LEU VAL ASP SER SER TRP ASP ASP LYS LEU THR LYS SEQRES 6 A 227 GLU LEU ILE GLU MET VAL GLU LYS LYS PHE GLN LYS ARG SEQRES 7 A 227 VAL THR ASP VAL ILE ILE THR HIS ALA HIS ALA ASP ARG SEQRES 8 A 227 ILE GLY GLY ILE LYS THR LEU LYS GLU ARG GLY ILE LYS SEQRES 9 A 227 ALA HIS SER THR ALA LEU THR ALA GLU LEU ALA LYS LYS SEQRES 10 A 227 ASN GLY TYR GLU GLU PRO LEU GLY ASP LEU GLN THR VAL SEQRES 11 A 227 THR ASN LEU LYS PHE GLY ASN MET LYS VAL GLU THR PHE SEQRES 12 A 227 TYR PRO GLY LYS GLY HIS THR GLU ASP ASN ILE VAL VAL SEQRES 13 A 227 TRP LEU PRO GLN TYR ASN ILE LEU VAL GLY GLY CYS LEU SEQRES 14 A 227 VAL LYS SER THR SER ALA LYS ASP LEU GLY ASN VAL ALA SEQRES 15 A 227 ASP ALA TYR VAL ASN GLU TRP SER THR SER ILE GLU ASN SEQRES 16 A 227 VAL LEU LYS ARG TYR ARG ASN ILE ASN ALA VAL VAL PRO SEQRES 17 A 227 GLY HIS GLY GLU VAL GLY ASP LYS GLY LEU LEU LEU HIS SEQRES 18 A 227 THR LEU ASP LEU LEU LYS HET ZN A 229 1 HET BCT A 230 4 HET ZN A 228 1 HETNAM ZN ZINC ION HETNAM BCT BICARBONATE ION FORMUL 2 ZN 2(ZN 2+) FORMUL 3 BCT C H O3 1- FORMUL 5 HOH *205(H2 O) HELIX 1 1 ASP A 61 PHE A 75 1 15 HELIX 2 2 ALA A 89 ILE A 92 1 4 HELIX 3 3 ILE A 95 GLU A 100 1 6 HELIX 4 4 ALA A 109 LYS A 117 1 9 HELIX 5 5 GLY A 167 LEU A 169 5 3 HELIX 6 6 TRP A 189 ARG A 199 1 11 HELIX 7 7 LYS A 216 LEU A 225 5 10 SHEET 1 A 7 VAL A 8 ASN A 11 0 SHEET 2 A 7 ILE A 16 ASN A 22 -1 N ILE A 18 O ILE A 9 SHEET 3 A 7 VAL A 25 GLY A 32 -1 N THR A 29 O SER A 17 SHEET 4 A 7 VAL A 39 THR A 48 -1 N VAL A 45 O TRP A 26 SHEET 5 A 7 GLY A 51 VAL A 55 -1 N VAL A 55 O LEU A 44 SHEET 6 A 7 VAL A 79 ILE A 83 1 N THR A 80 O LEU A 52 SHEET 7 A 7 LYS A 104 HIS A 106 1 N LYS A 104 O VAL A 82 SHEET 1 B 5 VAL A 130 PHE A 135 0 SHEET 2 B 5 MET A 138 PHE A 143 -1 N THR A 142 O THR A 131 SHEET 3 B 5 VAL A 155 LEU A 158 -1 N TRP A 157 O GLU A 141 SHEET 4 B 5 ILE A 163 GLY A 167 -1 N VAL A 165 O VAL A 156 SHEET 5 B 5 ALA A 205 PRO A 208 1 N ALA A 205 O LEU A 164 LINK NE2 HIS A 86 ZN ZN A 228 1555 1555 2.19 LINK ND1 HIS A 88 ZN ZN A 228 1555 1555 2.15 LINK OD2 ASP A 90 ZN ZN A 229 1555 1555 2.28 LINK NE2 HIS A 149 ZN ZN A 228 1555 1555 2.18 LINK SG CYS A 168 ZN ZN A 229 1555 1555 2.38 LINK NE2 HIS A 210 ZN ZN A 229 1555 1555 2.21 LINK ZN ZN A 228 O HOH A 516 1555 1555 2.09 SITE 1 ZN1 1 ASP A 90 SITE 1 AC1 4 ASP A 90 CYS A 168 HIS A 210 BCT A 230 SITE 1 AC2 7 HIS A 149 CYS A 168 ASN A 180 HIS A 210 SITE 2 AC2 7 ZN A 229 HOH A 357 HOH A 516 SITE 1 AC3 4 HIS A 86 HIS A 88 HIS A 149 HOH A 516 CRYST1 53.000 61.350 69.450 90.00 92.93 90.00 C 1 2 1 4 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 0.018868 0.000000 0.000966 0.00000 SCALE2 0.000000 0.016300 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014418 0.00000