HEADER HYDROLASE (ACTING IN CYCLIC AMIDES) 16-JUN-95 1BMC TITLE STRUCTURE OF A ZINC METALLO-BETA-LACTAMASE FROM BACILLUS CEREUS COMPND MOL_ID: 1; COMPND 2 MOLECULE: METALLO-BETA-LACTAMASE; COMPND 3 CHAIN: A; COMPND 4 EC: 3.5.2.6 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BACILLUS CEREUS; SOURCE 3 ORGANISM_TAXID: 1396; SOURCE 4 STRAIN: 569-H KEYWDS HYDROLASE (ACTING IN CYCLIC AMIDES), ANTIBIOTIC RESISTANCE EXPDTA X-RAY DIFFRACTION AUTHOR A.CARFI,S.PARES,E.DUEE,O.DIDEBERG REVDAT 4 07-FEB-24 1BMC 1 REMARK LINK REVDAT 3 18-APR-18 1BMC 1 REMARK REVDAT 2 24-FEB-09 1BMC 1 VERSN REVDAT 1 28-AUG-96 1BMC 0 JRNL AUTH A.CARFI,S.PARES,E.DUEE,M.GALLENI,C.DUEZ,J.M.FRERE,O.DIDEBERG JRNL TITL THE 3-D STRUCTURE OF A ZINC METALLO-BETA-LACTAMASE FROM JRNL TITL 2 BACILLUS CEREUS REVEALS A NEW TYPE OF PROTEIN FOLD. JRNL REF EMBO J. V. 14 4914 1995 JRNL REFN ISSN 0261-4189 JRNL PMID 7588620 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH B.J.SUTTON,P.J.ARTYMIUK,A.E.CORDERO-BORBOA,C.LITTLE, REMARK 1 AUTH 2 D.C.PHILLIPS,S.G.WALEY REMARK 1 TITL AN X-RAY-CRYSTALLOGRAPHIC STUDY OF BETA-LACTAMASE II FROM REMARK 1 TITL 2 BACILLUS CEREUS AT 0.35 NM RESOLUTION REMARK 1 REF BIOCHEM.J. V. 248 181 1987 REMARK 1 REFN ISSN 0264-6021 REMARK 1 REFERENCE 2 REMARK 1 AUTH R.P.AMBLER,M.DANIEL,J.FLEMING,J.M.HERMOSO,C.PANG,S.G.WALEY REMARK 1 TITL THE AMINO ACID SEQUENCE OF THE ZINC-REQUIRING BETA-LACTAMASE REMARK 1 TITL 2 II FROM THE BACTERIUM BACILLUS CEREUS 569 REMARK 1 REF FEBS LETT. V. 189 207 1985 REMARK 1 REFN ISSN 0014-5793 REMARK 2 REMARK 2 RESOLUTION. 2.50 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.50 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) (%) : 81.5 REMARK 3 NUMBER OF REFLECTIONS : 6685 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING SET) : 0.220 REMARK 3 FREE R VALUE : 0.330 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 : 1656 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 1 REMARK 3 SOLVENT ATOMS : 10 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) : NULL 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) : 0.016 REMARK 3 BOND ANGLES (DEGREES) : 1.500 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: NULL REMARK 4 REMARK 4 1BMC COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000171908. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : JUL-94 REMARK 200 TEMPERATURE (KELVIN) : NULL REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : NULL 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 RUH2R REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : GRAPHITE(002) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : DIFFRACTOMETER REMARK 200 DETECTOR MANUFACTURER : ENRAF-NONIUS FAST REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MADNES REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 6911 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.500 REMARK 200 RESOLUTION RANGE LOW (A) : 25.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 86.0 REMARK 200 DATA REDUNDANCY : 2.000 REMARK 200 R MERGE (I) : 0.03000 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 37.70 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.33 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL 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 26.89500 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 30.99000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 26.89500 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 30.99000 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 GLY A 32 REMARK 465 SER A 33 REMARK 465 PHE A 34 REMARK 465 ASN A 35 REMARK 465 GLY A 36 REMARK 465 GLU A 37 REMARK 465 ALA A 38 REMARK 465 VAL A 39 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 LYS A 227 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 ASN A 137 CB CG OD1 ND2 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 GLY A 14 N - CA - C ANGL. DEV. = -15.8 DEGREES REMARK 500 ILE A 16 N - CA - C ANGL. DEV. = -16.5 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 ASN A 11 -123.24 -72.96 REMARK 500 THR A 13 141.19 60.92 REMARK 500 THR A 15 152.54 -47.98 REMARK 500 LEU A 21 -146.86 -103.01 REMARK 500 ASN A 22 173.59 -54.37 REMARK 500 ASN A 24 -24.23 77.24 REMARK 500 LYS A 50 35.65 -93.72 REMARK 500 ASP A 56 139.69 71.72 REMARK 500 SER A 57 -123.97 -87.92 REMARK 500 ALA A 87 29.15 -70.62 REMARK 500 PRO A 123 -175.09 -66.41 REMARK 500 ASN A 202 88.92 69.87 REMARK 500 ASP A 215 -153.95 -117.92 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 100.8 REMARK 620 3 HIS A 149 NE2 105.5 106.2 REMARK 620 N 1 2 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: ZN REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: ZINC BINDING SITE. REMARK 800 REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 228 DBREF 1BMC A 7 227 UNP P04190 BLA2_BACCE 37 257 SEQRES 1 A 221 THR VAL ILE LYS ASN GLU THR GLY THR ILE SER ILE SER SEQRES 2 A 221 GLN LEU ASN LYS ASN VAL TRP VAL HIS THR GLU LEU GLY SEQRES 3 A 221 SER PHE ASN GLY GLU ALA VAL PRO SER ASN GLY LEU VAL SEQRES 4 A 221 LEU ASN THR SER LYS GLY LEU VAL LEU VAL ASP SER SER SEQRES 5 A 221 TRP ASP ASP LYS LEU THR LYS GLU LEU ILE GLU MET VAL SEQRES 6 A 221 GLU LYS LYS PHE GLN LYS ARG VAL THR ASP VAL ILE ILE SEQRES 7 A 221 THR HIS ALA HIS ALA ASP ARG ILE GLY GLY ILE LYS THR SEQRES 8 A 221 LEU LYS GLU ARG GLY ILE LYS ALA HIS SER THR ALA LEU SEQRES 9 A 221 THR ALA GLU LEU ALA LYS LYS ASN GLY TYR GLU GLU PRO SEQRES 10 A 221 LEU GLY ASP LEU GLN THR VAL THR ASN LEU LYS PHE GLY SEQRES 11 A 221 ASN MET LYS VAL GLU THR PHE TYR PRO GLY LYS GLY HIS SEQRES 12 A 221 THR GLU ASP ASN ILE VAL VAL TRP LEU PRO GLN TYR ASN SEQRES 13 A 221 ILE LEU VAL GLY GLY CYS LEU VAL LYS SER THR SER ALA SEQRES 14 A 221 LYS ASP LEU GLY ASN VAL ALA ASP ALA TYR VAL ASN GLU SEQRES 15 A 221 TRP SER THR SER ILE GLU ASN VAL LEU LYS ARG TYR ARG SEQRES 16 A 221 ASN ILE ASN ALA VAL VAL PRO GLY HIS GLY GLU VAL GLY SEQRES 17 A 221 ASP LYS GLY LEU LEU LEU HIS THR LEU ASP LEU LEU LYS HET ZN A 228 1 HETNAM ZN ZINC ION FORMUL 2 ZN ZN 2+ FORMUL 3 HOH *10(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 ARG A 101 1 7 HELIX 4 4 ALA A 109 ASN A 118 1 10 HELIX 5 5 VAL A 186 TYR A 200 1 15 HELIX 6 6 LYS A 216 LEU A 226 5 11 SHEET 1 A 7 VAL A 8 LYS A 10 0 SHEET 2 A 7 ILE A 16 GLN A 20 -1 N ILE A 18 O ILE A 9 SHEET 3 A 7 VAL A 25 GLU A 30 -1 N THR A 29 O SER A 17 SHEET 4 A 7 SER A 41 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 2.47 LINK ND1 HIS A 88 ZN ZN A 228 1555 1555 2.38 LINK NE2 HIS A 149 ZN ZN A 228 1555 1555 2.37 SITE 1 ZN 3 HIS A 86 HIS A 88 HIS A 149 SITE 1 AC1 3 HIS A 86 HIS A 88 HIS A 149 CRYST1 53.790 61.980 69.970 90.00 93.67 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 0.018591 0.000000 0.001192 0.00000 SCALE2 0.000000 0.016134 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014321 0.00000