HEADER HYDROLASE (BETA-LACTAMASE) 10-MAY-97 1BME OBSLTE 12-APR-00 1BME 1BVT TITLE METALLO-BETA-LACTAMASE FROM BACILLUS CEREUS 569/H/9 COMPND MOL_ID: 1; COMPND 2 MOLECULE: METALLO-BETA-LACTAMASE; COMPND 3 CHAIN: NULL; COMPND 4 SYNONYM: CLASS B BETA-LACTAMASE; COMPND 5 EC: 3.5.2.6; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BACILLUS CEREUS; SOURCE 3 STRAIN: 569/H; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_STRAIN: DH1; SOURCE 6 EXPRESSION_SYSTEM_PLASMID: PRTWHO12 KEYWDS HYDROLASE (BETA-LACTAMASE), METALLO BETA-LACTAMASE, ZINC EXPDTA X-RAY DIFFRACTION AUTHOR A.CARFI,E.DUEE,O.DIDEBERG REVDAT 2 12-APR-00 1BME 1 OBSLTE REVDAT 1 07-JUL-97 1BME 0 JRNL AUTH A.CARFI,E.DUEE,M.GALLENI,J.-M.FRERE,O.DIDEBERG JRNL TITL 1.85 ANGSTROMS RESOLUTION STRUCTURE OF THE JRNL TITL 2 ZINC(II) BETA-LACTAMASE FROM BACILLUS CEREUS JRNL REF TO BE PUBLISHED JRNL REFN REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH A.CARFI,S.PARES,E.DUEE,M.GALLENI,C.DUEZ,J.M.FRERE, REMARK 1 AUTH 2 O.DIDEBERG REMARK 1 TITL THE 3-D STRUCTURE OF A ZINC METALLO-BETA-LACTAMASE REMARK 1 TITL 2 FROM BACILLUS CEREUS REVEALS A NEW TYPE OF PROTEIN REMARK 1 TITL 3 FOLD REMARK 1 REF EMBO J. V. 14 4914 1995 REMARK 1 REFN ASTM EMJODG UK 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 : NULL REMARK 3 R VALUE (WORKING SET) : 0.216 REMARK 3 FREE R VALUE : 0.272 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 : 1598 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 6 REMARK 3 SOLVENT ATOMS : 215 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) : 1.90 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: FINAL RMS COORD. SHIFT 0.015 REMARK 3 ANGSTROMS MEAN B VALUE (MAIN CHAIN, A**2) : 13. MEAN B VALUE REMARK 3 (SIDE CHAIN, A**2) : 15. MEAN B VALUE (SOLVENT, A**2) : 26. REMARK 3 MEAN B VALUE (ZINC IONS, A**2) : 24. REMARK 4 REMARK 4 1BME COMPLIES WITH FORMAT V. 2.3, 09-JULY-1998 REMARK 6 REMARK 6 DISORDERED RESIDUES (I.E. FOR WHICH NO COORDINATES ARE REMARK 6 REPORTED) ARE 1 - 6. REMARK 7 REMARK 7 DISORDERED RESIDUES (I.E. FOR WHICH NO COORDINATES ARE REMARK 7 REPORTED BUT THE OCCUPANCY IS SET TO ZERO) ARE 11 - 15, REMARK 7 32 - 38. REMARK 8 REMARK 8 THE FOLLOWING SIDE CHAIN ATOMS HAVE OCCUPANCY SET TO ZERO REMARK 8 DUE TO DISORDER. REMARK 8 (M=MODEL NUMBER; RES=RESIDUE NAME; C REMARK 8 CHAIN IDENTIFIER; SEQ=SEQUENCE NUMBER;. REMARK 8 I=INSERTION CODE): REMARK 8 M RES C SEQI ATOMS REMARK 8 THR 7 CB OG1 CG2 REMARK 8 VAL 8 CB CG1 CG2 REMARK 8 ILE 9 CB CG1 CG2 CD1 REMARK 8 LYS 10 CB CG CD CE NZ REMARK 8 LYS 23 CB CG CD CE NZ REMARK 8 LYS 62 CG CD CE NZ REMARK 8 ASN 137 OD1 ND2 REMARK 8 LYS 198 CG CD CE NZ REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : OCT-1995 REMARK 200 TEMPERATURE (KELVIN) : 100.0 REMARK 200 PH : 5.60 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : D2AM REMARK 200 X-RAY GENERATOR MODEL : RIGAKU REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : GRAPHITE REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : CCP4 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 12071 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.140 REMARK 200 RESOLUTION RANGE LOW (A) : 34.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.5 REMARK 200 DATA REDUNDANCY : 3.500 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.06000 REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.14 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.21 REMARK 200 COMPLETENESS FOR SHELL (%) : 91.2 REMARK 200 DATA REDUNDANCY IN SHELL : 2.50 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.12000 REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: X-PLOR REMARK 200 STARTING MODEL: TWO DATA SETS WERE MERGED REMARK 200 REMARK 200 REMARK: AVERAGE I/SIGMA(I) FOR THE DATA SET : 9.6 ; 6.9 AVERAGE REMARK 200 I/SIGMA(I) FOR THE SHELL : 6.2 ; 5.7 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: 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 1/2+X,1/2+Y,Z REMARK 290 4555 1/2-X,1/2+Y,-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 THIS ENTRY CONTAINS THE CRYSTALLOGRAPHIC ASYMMETRIC UNIT REMARK 300 WHICH CONSISTS OF 1 CHAIN(S). SEE REMARK 350 FOR REMARK 300 INFORMATION ON GENERATING THE BIOLOGICAL MOLECULE(S). REMARK 350 REMARK 350 GENERATING THE BIOMOLECULE 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 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 1 REMARK 465 GLN 2 REMARK 465 LYS 3 REMARK 465 VAL 4 REMARK 465 GLU 5 REMARK 465 LYS 6 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 REMARK 500 OG1 THR 15 O HOH 181 0.94 REMARK 500 CB THR 15 O HOH 181 1.01 REMARK 500 O ASN 11 O HOH 187 1.28 REMARK 500 C ASN 11 O HOH 187 1.56 REMARK 500 CG2 THR 15 O HOH 181 1.57 REMARK 500 CB ASN 11 O HOH 187 1.96 REMARK 500 CA ASN 11 O HOH 187 2.03 REMARK 500 CA THR 15 O HOH 181 2.10 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS 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,2(A3,1X,A1,I4,A1,1X,A4,3X),F6.3) REMARK 500 REMARK 500 EXPECTED VALUES: ENGH AND HUBER, 1991 REMARK 500 REMARK 500 M RES CSSEQI ATM1 RES CSSEQI ATM2 DEVIATION REMARK 500 LYS 10 C ASN 11 N 0.326 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: ENGH AND HUBER, 1991 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 ILE 16 C - N - CA ANGL. DEV. = 16.7 DEGREES REMARK 500 VAL 39 N - CA - C ANGL. DEV. = 12.8 DEGREES REMARK 500 VAL 55 N - CA - C ANGL. DEV. =-12.9 DEGREES 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 M RES CSSEQI PSI PHI REMARK 500 THR 13 111.24 36.41 REMARK 500 ALA 38 117.16 25.55 REMARK 500 ASP 56 148.79 75.35 REMARK 525 REMARK 525 SOLVENT REMARK 525 THE FOLLOWING SOLVENT MOLECULES LIE FARTHER THAN EXPECTED REMARK 525 FROM THE PROTEIN OR NUCLEIC ACID MOLECULE AND MAY BE REMARK 525 ASSOCIATED WITH A SYMMETRY RELATED MOLECULE (M=MODEL REMARK 525 NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH 108 DISTANCE = 5.96 ANGSTROMS REMARK 525 HOH 118 DISTANCE = 5.08 ANGSTROMS REMARK 525 HOH 178 DISTANCE = 7.62 ANGSTROMS REMARK 525 HOH 198 DISTANCE = 5.54 ANGSTROMS REMARK 999 REMARK 999 SEQUENCE REMARK 999 1BME SWS P04190 1 - 36 NOT IN ATOMS LIST DBREF 1BME 7 227 UNP P04190 BLA2_BACCE 37 257 SEQRES 1 227 SER GLN LYS VAL GLU LYS THR VAL ILE LYS ASN GLU THR SEQRES 2 227 GLY THR ILE SER ILE SER GLN LEU ASN LYS ASN VAL TRP SEQRES 3 227 VAL HIS THR GLU LEU GLY SER PHE ASN GLY GLU ALA VAL SEQRES 4 227 PRO SER ASN GLY LEU VAL LEU ASN THR SER LYS GLY LEU SEQRES 5 227 VAL LEU VAL ASP SER SER TRP ASP ASP LYS LEU THR LYS SEQRES 6 227 GLU LEU ILE GLU MET VAL GLU LYS LYS PHE GLN LYS ARG SEQRES 7 227 VAL THR ASP VAL ILE ILE THR HIS ALA HIS ALA ASP ARG SEQRES 8 227 ILE GLY GLY ILE LYS THR LEU LYS GLU ARG GLY ILE LYS SEQRES 9 227 ALA HIS SER THR ALA LEU THR ALA GLU LEU ALA LYS LYS SEQRES 10 227 ASN GLY TYR GLU GLU PRO LEU GLY ASP LEU GLN THR VAL SEQRES 11 227 THR ASN LEU LYS PHE GLY ASN MET LYS VAL GLU THR PHE SEQRES 12 227 TYR PRO GLY LYS GLY HIS THR GLU ASP ASN ILE VAL VAL SEQRES 13 227 TRP LEU PRO GLN TYR ASN ILE LEU VAL GLY GLY CYS LEU SEQRES 14 227 VAL LYS SER THR SER ALA LYS ASP LEU GLY ASN VAL ALA SEQRES 15 227 ASP ALA TYR VAL ASN GLU TRP SER THR SER ILE GLU ASN SEQRES 16 227 VAL LEU LYS ARG TYR ARG ASN ILE ASN ALA VAL VAL PRO SEQRES 17 227 GLY HIS GLY GLU VAL GLY ASP LYS GLY LEU LEU LEU HIS SEQRES 18 227 THR LEU ASP LEU LEU LYS HET ZN 228 1 HET ZN 229 1 HET BCT 230 4 HETNAM ZN ZINC ION HETNAM BCT BICARBONATE ION FORMUL 2 ZN 2(ZN 2+) FORMUL 4 BCT C H O3 1- FORMUL 5 HOH *215(H2 O1) HELIX 1 1 ASP 61 PHE 75 1 15 HELIX 2 2 ALA 89 ILE 92 1 4 HELIX 3 3 ILE 95 GLU 100 1 6 HELIX 4 4 ALA 109 LYS 117 1 9 HELIX 5 5 GLY 167 LEU 169 5 3 HELIX 6 6 TRP 189 ARG 199 1 11 HELIX 7 7 LYS 216 LEU 225 5 10 SHEET 1 A 7 VAL 8 ASN 11 0 SHEET 2 A 7 ILE 16 ASN 22 -1 N ILE 18 O ILE 9 SHEET 3 A 7 VAL 25 GLY 32 -1 N THR 29 O SER 17 SHEET 4 A 7 VAL 39 THR 48 -1 N VAL 45 O TRP 26 SHEET 5 A 7 GLY 51 VAL 55 -1 N VAL 55 O LEU 44 SHEET 6 A 7 VAL 79 ILE 83 1 N THR 80 O LEU 52 SHEET 7 A 7 LYS 104 HIS 106 1 N LYS 104 O VAL 82 SHEET 1 B 5 VAL 130 PHE 135 0 SHEET 2 B 5 MET 138 TYR 144 -1 N THR 142 O THR 131 SHEET 3 B 5 ILE 154 LEU 158 -1 N TRP 157 O GLU 141 SHEET 4 B 5 ILE 163 GLY 167 -1 N VAL 165 O VAL 156 SHEET 5 B 5 ALA 205 PRO 208 1 N ALA 205 O LEU 164 LINK ZN ZN 228 NE2 HIS 86 LINK ZN ZN 228 ND1 HIS 88 LINK ZN ZN 228 NE2 HIS 149 LINK ZN ZN 229 OD2 ASP 90 LINK ZN ZN 229 SG CYS 168 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