HEADER TOXIN 21-FEB-01 1I4H TITLE CRYSTAL STRUCTURE OF ZN2+ SOAKED STAPHYLOCOCCAL ENTEROTOXIN A MUTANT TITLE 2 H187A COMPND MOL_ID: 1; COMPND 2 MOLECULE: ENTEROTOXIN TYPE A; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: SEA; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: STAPHYLOCOCCUS AUREUS; SOURCE 3 ORGANISM_TAXID: 1280; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: UL635; SOURCE 7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PKP889 KEYWDS BETA-GRASP, BETA-BARREL, TOXIN EXPDTA X-RAY DIFFRACTION AUTHOR M.HAKANSSON,P.ANTONSSON,P.BJORK,L.A.SVENSSON REVDAT 8 06-NOV-24 1I4H 1 REMARK REVDAT 7 09-AUG-23 1I4H 1 REMARK REVDAT 6 27-OCT-21 1I4H 1 REMARK SEQADV LINK REVDAT 5 04-OCT-17 1I4H 1 REMARK REVDAT 4 24-FEB-09 1I4H 1 VERSN REVDAT 3 05-APR-05 1I4H 1 JRNL REVDAT 2 21-MAR-01 1I4H 1 TITLE REVDAT 1 28-FEB-01 1I4H 0 JRNL AUTH M.HAKANSSON,P.ANTONSSON,P.BJORK,L.A.SVENSSON JRNL TITL COOPERATIVE ZINC BINDING IN A STAPHYLOCOCCAL ENTEROTOXIN A JRNL TITL 2 MUTANT MIMICS THE SEA-MHC CLASS II INTERACTION JRNL REF J.BIOL.INORG.CHEM. V. 6 757 2001 JRNL REFN ISSN 0949-8257 JRNL PMID 11713682 JRNL DOI 10.1007/S007750100251 REMARK 2 REMARK 2 RESOLUTION. 2.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 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) : 2.90 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) (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 10658 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) : 0.208 REMARK 3 FREE R VALUE : 0.281 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 450 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 : 3689 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 2 REMARK 3 SOLVENT ATOMS : 0 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 58.90 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 40.90 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) : 0.33 REMARK 3 ESD FROM SIGMAA (A) : 0.42 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) : 0.51 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.60 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.007 REMARK 3 BOND ANGLES (DEGREES) : NULL REMARK 3 DIHEDRAL ANGLES (DEGREES) : 24.90 REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : ISOTROPIC 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 1I4H COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 22-FEB-01. REMARK 100 THE DEPOSITION ID IS D_1000012892. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 19-DEC-96 REMARK 200 TEMPERATURE (KELVIN) : 298 REMARK 200 PH : 6.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 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 RU200 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 : TRUNCATE, XDS REMARK 200 DATA SCALING SOFTWARE : XDS, CCP4 (TRUNCATE) REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 10658 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.900 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 84.5 REMARK 200 DATA REDUNDANCY : 4.100 REMARK 200 R MERGE (I) : 0.08700 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 13.2000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.90 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 3.00 REMARK 200 COMPLETENESS FOR SHELL (%) : 88.1 REMARK 200 DATA REDUNDANCY IN SHELL : 4.00 REMARK 200 R MERGE FOR SHELL (I) : 0.26900 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 3.200 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: PDB ENTRY 1I4G REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 46.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.52 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 8000, LITHIUM SULPHATE, PIPES, REMARK 280 ZINC CHLORIDE, PH 6.0, EVAPORATION, TEMPERATURE 298K 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 37.05500 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 43.27000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 42.53000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 43.27000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 37.05500 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 42.53000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 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 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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 SER A 1 REMARK 465 GLU A 2 REMARK 465 LYS A 3 REMARK 465 SER A 4 REMARK 465 GLU A 5 REMARK 465 GLU A 6 REMARK 465 ILE A 7 REMARK 465 ASN A 8 REMARK 465 GLU A 9 REMARK 465 SER B 1 REMARK 465 GLU B 2 REMARK 465 LYS B 3 REMARK 465 SER B 4 REMARK 465 GLU B 5 REMARK 465 GLU B 6 REMARK 465 ILE B 7 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 11 26.58 82.17 REMARK 500 SER A 43 139.40 -174.01 REMARK 500 PHE A 47 -64.09 -135.41 REMARK 500 THR A 59 -3.75 -143.12 REMARK 500 ASP A 60 11.54 -142.53 REMARK 500 TRP A 63 -76.01 -80.31 REMARK 500 ASN A 65 -58.99 -123.55 REMARK 500 ASP A 115 120.92 -39.79 REMARK 500 PHE A 175 43.21 -80.18 REMARK 500 SER A 206 -71.79 -50.58 REMARK 500 ASN A 207 -29.04 -31.50 REMARK 500 ASN A 223 72.06 42.41 REMARK 500 GLU B 9 -71.81 64.47 REMARK 500 GLN B 19 -153.97 -63.45 REMARK 500 ASN B 40 92.03 41.33 REMARK 500 SER B 43 145.01 -173.01 REMARK 500 GLN B 46 133.81 -175.86 REMARK 500 PHE B 47 -90.62 -67.25 REMARK 500 HIS B 50 35.92 -98.52 REMARK 500 THR B 59 -115.44 -80.16 REMARK 500 TYR B 88 105.71 -161.46 REMARK 500 ALA B 97 98.49 -59.16 REMARK 500 GLU B 191 157.82 136.55 REMARK 500 GLU B 222 -76.43 -21.58 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 301 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 44 NE2 REMARK 620 2 HIS A 225 NE2 104.6 REMARK 620 3 ASP A 227 OD2 102.5 121.1 REMARK 620 N 1 2 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN B 302 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS B 225 NE2 REMARK 620 2 ASP B 227 OD2 99.3 REMARK 620 N 1 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN B 302 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1SXT RELATED DB: PDB REMARK 900 WILD-TYP SEA BINDING ZN2+ REMARK 900 RELATED ID: 1EFS RELATED DB: PDB REMARK 900 WILD-TYPE SEA BINDING CD2+ REMARK 900 RELATED ID: 1I4G RELATED DB: PDB REMARK 900 SEA MUTANT H187A, LOW ZN2+ CONTENT DBREF 1I4H A 1 233 UNP P0A0L2 ETXA_STAAU 25 257 DBREF 1I4H B 1 233 UNP P0A0L2 ETXA_STAAU 25 257 SEQADV 1I4H ALA A 187 UNP P0A0L2 HIS 211 ENGINEERED MUTATION SEQADV 1I4H ALA B 187 UNP P0A0L2 HIS 211 ENGINEERED MUTATION SEQRES 1 A 233 SER GLU LYS SER GLU GLU ILE ASN GLU LYS ASP LEU ARG SEQRES 2 A 233 LYS LYS SER GLU LEU GLN GLY THR ALA LEU GLY ASN LEU SEQRES 3 A 233 LYS GLN ILE TYR TYR TYR ASN GLU LYS ALA LYS THR GLU SEQRES 4 A 233 ASN LYS GLU SER HIS ASP GLN PHE LEU GLN HIS THR ILE SEQRES 5 A 233 LEU PHE LYS GLY PHE PHE THR ASP HIS SER TRP TYR ASN SEQRES 6 A 233 ASP LEU LEU VAL ASP PHE ASP SER LYS ASP ILE VAL ASP SEQRES 7 A 233 LYS TYR LYS GLY LYS LYS VAL ASP LEU TYR GLY ALA TYR SEQRES 8 A 233 TYR GLY TYR GLN CYS ALA GLY GLY THR PRO ASN LYS THR SEQRES 9 A 233 ALA CYS MET TYR GLY GLY VAL THR LEU HIS ASP ASN ASN SEQRES 10 A 233 ARG LEU THR GLU GLU LYS LYS VAL PRO ILE ASN LEU TRP SEQRES 11 A 233 LEU ASP GLY LYS GLN ASN THR VAL PRO LEU GLU THR VAL SEQRES 12 A 233 LYS THR ASN LYS LYS ASN VAL THR VAL GLN GLU LEU ASP SEQRES 13 A 233 LEU GLN ALA ARG ARG TYR LEU GLN GLU LYS TYR ASN LEU SEQRES 14 A 233 TYR ASN SER ASP VAL PHE ASP GLY LYS VAL GLN ARG GLY SEQRES 15 A 233 LEU ILE VAL PHE ALA THR SER THR GLU PRO SER VAL ASN SEQRES 16 A 233 TYR ASP LEU PHE GLY ALA GLN GLY GLN TYR SER ASN THR SEQRES 17 A 233 LEU LEU ARG ILE TYR ARG ASP ASN LYS THR ILE ASN SER SEQRES 18 A 233 GLU ASN MET HIS ILE ASP ILE TYR LEU TYR THR SER SEQRES 1 B 233 SER GLU LYS SER GLU GLU ILE ASN GLU LYS ASP LEU ARG SEQRES 2 B 233 LYS LYS SER GLU LEU GLN GLY THR ALA LEU GLY ASN LEU SEQRES 3 B 233 LYS GLN ILE TYR TYR TYR ASN GLU LYS ALA LYS THR GLU SEQRES 4 B 233 ASN LYS GLU SER HIS ASP GLN PHE LEU GLN HIS THR ILE SEQRES 5 B 233 LEU PHE LYS GLY PHE PHE THR ASP HIS SER TRP TYR ASN SEQRES 6 B 233 ASP LEU LEU VAL ASP PHE ASP SER LYS ASP ILE VAL ASP SEQRES 7 B 233 LYS TYR LYS GLY LYS LYS VAL ASP LEU TYR GLY ALA TYR SEQRES 8 B 233 TYR GLY TYR GLN CYS ALA GLY GLY THR PRO ASN LYS THR SEQRES 9 B 233 ALA CYS MET TYR GLY GLY VAL THR LEU HIS ASP ASN ASN SEQRES 10 B 233 ARG LEU THR GLU GLU LYS LYS VAL PRO ILE ASN LEU TRP SEQRES 11 B 233 LEU ASP GLY LYS GLN ASN THR VAL PRO LEU GLU THR VAL SEQRES 12 B 233 LYS THR ASN LYS LYS ASN VAL THR VAL GLN GLU LEU ASP SEQRES 13 B 233 LEU GLN ALA ARG ARG TYR LEU GLN GLU LYS TYR ASN LEU SEQRES 14 B 233 TYR ASN SER ASP VAL PHE ASP GLY LYS VAL GLN ARG GLY SEQRES 15 B 233 LEU ILE VAL PHE ALA THR SER THR GLU PRO SER VAL ASN SEQRES 16 B 233 TYR ASP LEU PHE GLY ALA GLN GLY GLN TYR SER ASN THR SEQRES 17 B 233 LEU LEU ARG ILE TYR ARG ASP ASN LYS THR ILE ASN SER SEQRES 18 B 233 GLU ASN MET HIS ILE ASP ILE TYR LEU TYR THR SER HET ZN A 301 1 HET ZN B 302 1 HETNAM ZN ZINC ION FORMUL 3 ZN 2(ZN 2+) HELIX 1 1 LYS A 14 LEU A 18 5 5 HELIX 2 2 GLN A 19 TYR A 31 1 13 HELIX 3 3 SER A 73 LYS A 81 1 9 HELIX 4 4 PRO A 139 THR A 142 5 4 HELIX 5 5 VAL A 152 ASN A 168 1 17 HELIX 6 6 TYR A 205 LEU A 210 1 6 HELIX 7 7 ARG A 211 ARG A 214 5 4 HELIX 8 8 LYS B 14 LEU B 18 5 5 HELIX 9 9 GLY B 20 TYR B 32 1 13 HELIX 10 10 SER B 73 ASP B 78 1 6 HELIX 11 11 VAL B 152 ASN B 168 1 17 HELIX 12 12 SER B 172 ASP B 176 5 5 HELIX 13 13 TYR B 205 LEU B 210 1 6 HELIX 14 14 ILE B 212 ASN B 216 5 5 SHEET 1 A 3 ALA A 36 GLU A 42 0 SHEET 2 A 3 LYS A 84 GLY A 89 -1 N VAL A 85 O LYS A 41 SHEET 3 A 3 VAL A 111 LEU A 113 -1 O THR A 112 N ASP A 86 SHEET 1 B 4 THR A 51 PHE A 54 0 SHEET 2 B 4 ASP A 66 ASP A 70 -1 O LEU A 67 N PHE A 54 SHEET 3 B 4 THR A 104 TYR A 108 1 O ALA A 105 N LEU A 68 SHEET 4 B 4 TYR A 91 TYR A 92 -1 O TYR A 92 N CYS A 106 SHEET 1 C 2 ARG A 118 LYS A 124 0 SHEET 2 C 2 LYS A 144 LYS A 147 -1 O THR A 145 N LYS A 123 SHEET 1 D 5 LYS A 134 ASN A 136 0 SHEET 2 D 5 ILE A 127 LEU A 131 -1 O LEU A 129 N ASN A 136 SHEET 3 D 5 HIS A 225 TYR A 231 1 O ILE A 226 N ASN A 128 SHEET 4 D 5 ARG A 181 ALA A 187 -1 O ARG A 181 N TYR A 231 SHEET 5 D 5 VAL A 194 ASP A 197 -1 O VAL A 194 N PHE A 186 SHEET 1 E 2 ASN A 149 THR A 151 0 SHEET 2 E 2 THR A 218 ASN A 220 -1 N ILE A 219 O VAL A 150 SHEET 1 F 3 ALA B 36 LYS B 41 0 SHEET 2 F 3 VAL B 85 GLY B 89 -1 N VAL B 85 O LYS B 41 SHEET 3 F 3 VAL B 111 LEU B 113 -1 O THR B 112 N ASP B 86 SHEET 1 G 4 THR B 51 PHE B 54 0 SHEET 2 G 4 ASP B 66 ASP B 70 -1 O LEU B 67 N PHE B 54 SHEET 3 G 4 THR B 104 TYR B 108 1 O ALA B 105 N LEU B 68 SHEET 4 G 4 TYR B 91 TYR B 92 -1 O TYR B 92 N CYS B 106 SHEET 1 H 2 ARG B 118 LYS B 124 0 SHEET 2 H 2 LYS B 144 LYS B 147 -1 O THR B 145 N LYS B 123 SHEET 1 I 5 LYS B 134 ASN B 136 0 SHEET 2 I 5 ILE B 127 LEU B 131 -1 O LEU B 129 N ASN B 136 SHEET 3 I 5 MET B 224 TYR B 231 1 O ILE B 226 N ASN B 128 SHEET 4 I 5 ARG B 181 THR B 188 -1 O ARG B 181 N TYR B 231 SHEET 5 I 5 VAL B 194 ASP B 197 -1 O VAL B 194 N PHE B 186 SHEET 1 J 2 ASN B 149 THR B 151 0 SHEET 2 J 2 THR B 218 ASN B 220 -1 N ILE B 219 O VAL B 150 SSBOND 1 CYS A 96 CYS A 106 1555 1555 2.05 SSBOND 2 CYS B 96 CYS B 106 1555 1555 2.02 LINK NE2 HIS A 44 ZN ZN A 301 3546 1555 2.18 LINK NE2 HIS A 225 ZN ZN A 301 1555 1555 2.22 LINK OD2 ASP A 227 ZN ZN A 301 1555 1555 1.89 LINK NE2 HIS B 225 ZN ZN B 302 1555 1555 2.22 LINK OD2 ASP B 227 ZN ZN B 302 1555 1555 1.94 CISPEP 1 THR B 100 PRO B 101 0 0.51 SITE 1 AC1 3 HIS A 44 HIS A 225 ASP A 227 SITE 1 AC2 2 HIS B 225 ASP B 227 CRYST1 74.110 85.060 86.540 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 0.013493 0.000000 0.000000 0.00000 SCALE2 0.000000 0.011756 0.000000 0.00000 SCALE3 0.000000 0.000000 0.011555 0.00000