HEADER HYDROLASE 17-SEP-02 1MQO TITLE METALLO-BETA-LACTAMASE BCII CD SUBSTITUTED FROM BACILLUS CEREUS AT TITLE 2 1.35 ANGSTROMS RESOLUTION COMPND MOL_ID: 1; COMPND 2 MOLECULE: BETA-LACTAMASE II; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: PENICILLINASE, CEPHALOSPORINASE; COMPND 5 EC: 3.5.2.6; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BACILLUS CEREUS; SOURCE 3 ORGANISM_TAXID: 1396; SOURCE 4 GENE: BLM; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: DH1; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PRTWH012 KEYWDS ALPHA-BETA/BETA-ALPHA FOLD, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR I.GARCIA-SAEZ,L.CHANTALAT,O.DIDEBERG REVDAT 3 14-FEB-24 1MQO 1 REMARK LINK REVDAT 2 24-FEB-09 1MQO 1 VERSN REVDAT 1 18-MAY-04 1MQO 0 JRNL AUTH I.GARCIA-SAEZ,L.CHANTALAT,O.DIDEBERG JRNL TITL HIGH RESOLUTION STRUCTURE OF THE CD SUBSTITUTED BCII FROM JRNL TITL 2 BACILLUS CEREUS JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 1.35 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) : 1.35 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 97.6 REMARK 3 NUMBER OF REFLECTIONS : 45576 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) : 0.222 REMARK 3 FREE R VALUE : 0.248 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 2432 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 : 3 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.35 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.36 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : 0.2833 REMARK 3 BIN FREE R VALUE : 0.3095 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : 23 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 : 16 REMARK 3 SOLVENT ATOMS : 261 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 15.30 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) : 0.18 REMARK 3 ESD FROM SIGMAA (A) : 0.10 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) : 0.20 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.12 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.011 REMARK 3 BOND ANGLES (DEGREES) : 1.600 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : 1.090 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) : 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 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : 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 1MQO COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 25-SEP-02. REMARK 100 THE DEPOSITION ID IS D_1000017109. 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 : 4.9 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : ID14-2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : NULL REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 45576 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.350 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.4 REMARK 200 DATA REDUNDANCY : 3.300 REMARK 200 R MERGE (I) : 0.09900 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.35 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.40 REMARK 200 COMPLETENESS FOR SHELL (%) : 97.6 REMARK 200 DATA REDUNDANCY IN SHELL : 2.50 REMARK 200 R MERGE FOR SHELL (I) : 0.30900 REMARK 200 R SYM FOR SHELL (I) : NULL 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: AMORE REMARK 200 STARTING MODEL: PDB ENTRY 1BVT REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 45.89 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.27 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 13%PEG 8K, 10MM SODIUM CITRATE, 100 REMARK 280 MICROM DTT, 100MM MES BUFFER 4.9, AND 1MM CDSO4, VAPOR DIFFUSION, REMARK 280 HANGING DROP, TEMPERATURE 281.15K, PH 4.9 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 26.63000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 30.69000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 26.63000 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 30.69000 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 27 REMARK 465 GLN A 28 REMARK 465 LYS A 29 REMARK 465 VAL A 30 REMARK 465 GLU A 31 REMARK 465 LYS A 32 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 LYS A 36 CG CD CE NZ REMARK 480 THR A 39 N REMARK 480 LYS A 50 CG CD CE NZ REMARK 480 GLU A 64 CD OE1 OE2 REMARK 480 LYS A 90 CD CE NZ REMARK 480 LYS A 126 CE NZ REMARK 480 GLU A 144 CD OE1 OE2 REMARK 480 LYS A 147 NZ REMARK 480 LYS A 148 CE NZ REMARK 480 LYS A 181 CG CD CE NZ REMARK 480 ASN A 184 CB CG OD1 ND2 REMARK 480 LYS A 186 NZ REMARK 480 LYS A 291 CD CE NZ 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 NH1 ARG A 107 O HOH A 559 2.12 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 OE2 GLU A 241 O HOH A 557 2556 2.04 REMARK 500 OE2 GLU A 100 O HOH A 559 2555 2.07 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 ASP A 84 141.91 70.57 REMARK 500 SER A 85 -130.94 -100.64 REMARK 500 SER A 86 -167.99 -128.94 REMARK 500 ASP A 279 -156.78 -136.28 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 CD A 1 CD REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 116 NE2 REMARK 620 2 HIS A 118 ND1 94.0 REMARK 620 3 ASP A 120 OD1 74.9 126.3 REMARK 620 4 ASP A 120 OD2 107.9 90.1 47.8 REMARK 620 5 HIS A 196 NE2 87.5 97.8 132.9 162.2 REMARK 620 6 CIT A 300 O3 125.6 140.4 71.7 78.8 85.0 REMARK 620 7 CIT A 300 O4 173.3 86.4 110.3 78.8 85.8 54.3 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CD A 2 CD REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 221 SG REMARK 620 2 HIS A 263 NE2 106.1 REMARK 620 3 CIT A 300 O7 171.3 69.6 REMARK 620 4 CIT A 300 O6 103.0 92.2 70.1 REMARK 620 5 CIT A 300 O3 100.0 153.5 85.1 86.5 REMARK 620 6 HOH A 335 O 87.7 84.7 99.3 169.3 91.7 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CD A 3 CD REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 116 NE2 REMARK 620 2 ASP A 120 OD2 97.4 REMARK 620 3 ASP A 120 OD1 86.2 45.8 REMARK 620 4 HIS A 196 NE2 100.0 129.2 172.9 REMARK 620 5 CIT A 300 O3 164.8 68.2 80.1 93.2 REMARK 620 N 1 2 3 4 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CD A 1 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CD A 3 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CD A 2 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CIT A 300 DBREF 1MQO A 27 291 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 CD A 1 1 HET CD A 3 1 HET CD A 2 1 HET CIT A 300 13 HETNAM CD CADMIUM ION HETNAM CIT CITRIC ACID FORMUL 2 CD 3(CD 2+) FORMUL 5 CIT C6 H8 O7 FORMUL 6 HOH *261(H2 O) HELIX 1 1 ASP A 88 GLN A 105 1 17 HELIX 2 2 HIS A 118 GLY A 123 1 6 HELIX 3 3 GLY A 124 GLY A 133 1 9 HELIX 4 4 THR A 139 ASN A 149 1 11 HELIX 5 5 CYS A 221 VAL A 223 5 3 HELIX 6 6 TYR A 238 TYR A 253 1 16 HELIX 7 7 LYS A 280 LEU A 290 1 11 SHEET 1 A 7 VAL A 34 LYS A 36 0 SHEET 2 A 7 ILE A 42 ASN A 49 -1 O ILE A 44 N ILE A 35 SHEET 3 A 7 VAL A 52 PHE A 61 -1 O VAL A 54 N SER A 45 SHEET 4 A 7 GLU A 64 THR A 76 -1 O VAL A 67 N GLY A 59 SHEET 5 A 7 GLY A 79 VAL A 83 -1 O VAL A 81 N LEU A 74 SHEET 6 A 7 VAL A 109 ILE A 113 1 O THR A 110 N LEU A 80 SHEET 7 A 7 LYS A 135 HIS A 137 1 O HIS A 137 N VAL A 112 SHEET 1 B 5 VAL A 177 PHE A 182 0 SHEET 2 B 5 MET A 185 PHE A 190 -1 O VAL A 187 N LEU A 180 SHEET 3 B 5 VAL A 202 TRP A 204 -1 O TRP A 204 N GLU A 188 SHEET 4 B 5 ILE A 216 GLY A 220 -1 O VAL A 218 N VAL A 203 SHEET 5 B 5 ALA A 258 PRO A 261 1 O VAL A 260 N LEU A 217 LINK CD A CD A 1 NE2 HIS A 116 1555 1555 2.34 LINK CD A CD A 1 ND1 HIS A 118 1555 1555 2.27 LINK CD A CD A 1 OD1 ASP A 120 1555 1555 2.89 LINK CD A CD A 1 OD2 ASP A 120 1555 1555 2.33 LINK CD A CD A 1 NE2 HIS A 196 1555 1555 2.44 LINK CD A CD A 1 O3 CIT A 300 1555 1555 2.22 LINK CD A CD A 1 O4 CIT A 300 1555 1555 2.54 LINK CD CD A 2 SG CYS A 221 1555 1555 2.40 LINK CD CD A 2 NE2 HIS A 263 1555 1555 2.27 LINK CD CD A 2 O7 CIT A 300 1555 1555 2.61 LINK CD CD A 2 O6 CIT A 300 1555 1555 2.24 LINK CD CD A 2 O3 CIT A 300 1555 1555 2.35 LINK CD CD A 2 O HOH A 335 1555 1555 2.44 LINK CD B CD A 3 NE2 HIS A 116 1555 1555 2.04 LINK CD B CD A 3 OD2 ASP A 120 1555 1555 2.93 LINK CD B CD A 3 OD1 ASP A 120 1555 1555 2.62 LINK CD B CD A 3 NE2 HIS A 196 1555 1555 2.28 LINK CD B CD A 3 O3 CIT A 300 1555 1555 2.06 SITE 1 AC1 6 CD A 3 HIS A 116 HIS A 118 ASP A 120 SITE 2 AC1 6 HIS A 196 CIT A 300 SITE 1 AC2 8 CD A 1 CD A 2 HIS A 116 HIS A 118 SITE 2 AC2 8 ASP A 120 HIS A 196 CYS A 221 CIT A 300 SITE 1 AC3 5 CD A 3 CYS A 221 HIS A 263 CIT A 300 SITE 2 AC3 5 HOH A 335 SITE 1 AC4 13 CD A 1 CD A 2 CD A 3 HIS A 118 SITE 2 AC4 13 ASP A 120 HIS A 196 CYS A 221 GLY A 232 SITE 3 AC4 13 ASN A 233 HIS A 263 HOH A 330 HOH A 347 SITE 4 AC4 13 HOH A 391 CRYST1 53.260 61.380 69.650 90.00 93.24 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 0.018776 0.000000 0.001063 0.00000 SCALE2 0.000000 0.016292 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014380 0.00000