PDB Short entry for 1UNS HEADER TOXIN 15-SEP-03 1UNS TITLE IDENTIFICATION OF A SECONDARY ZINC-BINDING SITE IN TITLE 2 STAPHYLOCOCCAL ENTEROTOXIN C2: IMPLICATIONS FOR TITLE 3 SUPERANTIGEN RECOGNITION COMPND MOL_ID: 1; COMPND 2 MOLECULE: ENTEROTOXIN TYPE C-2; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: STAPHYLOCOCCAL ENTEROTOXIN C2, SEC2 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: STAPHYLOCOCCUS AUREUS; SOURCE 3 ORGANISM_TAXID: 1280 KEYWDS SUPERANTIGEN, TOXIN, ENTEROTOXIN, ZINC-BINDING SITE EXPDTA X-RAY DIFFRACTION AUTHOR A.C.PAPAGEORGIOU,M.D.BAKER,J.D.MCLEOD,S.GODA,D.M.SANSOM, AUTHOR 2 H.S.TRANTER,K.R.ACHARYA REVDAT 3 24-FEB-09 1UNS 1 VERSN REVDAT 2 08-JAN-04 1UNS 1 JRNL REVDAT 1 13-NOV-03 1UNS 0 JRNL AUTH A.C.PAPAGEORGIOU,M.D.BAKER,J.D.MCLEOD,S.GODA, JRNL AUTH 2 C.N.MANZOTTI,D.M.SANSON,H.S.TRANTER,K.R.ACHARYA JRNL TITL IDENTIFICATION OF A SECONDARY ZINC-BINDING SITE IN JRNL TITL 2 STAPHYLOCOCCAL ENTEROTOXIN C2: IMPLICATIONS FOR JRNL TITL 3 SUPERANTIGEN RECOGNITION JRNL REF J.BIOL.CHEM. V. 279 1297 2004 JRNL REFN ISSN 0021-9258 JRNL PMID 14559915 JRNL DOI 10.1074/JBC.M307333200 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH A.C.PAPAGEORGIOU,K.R.ACHARYA,R.SHAPIRO, REMARK 1 AUTH 2 E.F.PASSALACQUA,R.D.BREHM,H.S.TRANTER REMARK 1 TITL STRUCTURE OF THE SUPERANTIGEN ENTEROTOXIN C2 FROM REMARK 1 TITL 2 STAPHYLOCOCCUS AUREUS REVEALS A ZINC-BINDING SITE REMARK 1 REF STRUCTURE V. 3 769 1995 REMARK 1 REFN ISSN 0969-2126 REMARK 1 PMID 7582894 REMARK 1 DOI 10.1016/S0969-2126(01)00212-X REMARK 1 REFERENCE 2 REMARK 1 AUTH H.TRANTER,R.D.BREHM,K.R.ACHARYA REMARK 1 TITL MOLECULAR TOPOLOGY IS IMPORTANT FOR THE FUNCTION REMARK 1 TITL 2 OF STAPHYLOCOCCAL SUPERANTIGENS REMARK 1 EDIT J.THIBODEAU,R.-P.SEKALY REMARK 1 REF BACTERIAL SUPERANTIGENS: 5 1995 REMARK 1 REF 2 STRUCTURE, FUNCTION AND REMARK 1 REF 3 THERAPEUTIC POTENTIAL REMARK 1 PUBL AUSTIN : R.G.LANDES REMARK 1 REFN ISBN 1-57059-264-0 REMARK 1 REFERENCE 3 REMARK 1 AUTH K.R.ACHARYA,E.F.PASSALACQUA,E.Y.JONES,K.HARLOS, REMARK 1 AUTH 2 D.I.STUART,R.D.BREHM,H.S.TRANTER REMARK 1 TITL STRUCTURAL BASIS OF SUPERANTIGEN ACTION INFERRED REMARK 1 TITL 2 FROM CRYSTAL STRUCTURE OF TOXIC-SHOCK SYNDROME REMARK 1 TITL 3 TOXIN-1 REMARK 1 REF NATURE V. 367 94 1994 REMARK 1 REFN ISSN 0028-0836 REMARK 1 PMID 8107781 REMARK 1 DOI 10.1038/367094A0 REMARK 1 REFERENCE 4 REMARK 1 AUTH E.F.PASSALACQUA,R.D.BREHM,K.R.ACHARYA,H.S.TRANTER REMARK 1 TITL CRYSTALLIZATION AND PRELIMINARY X-RAY ANALYSIS OF REMARK 1 TITL 2 A MICROBIAL SUPERANTIGEN STAPHYLOCOCCAL REMARK 1 TITL 3 ENTEROTOXIN C2 REMARK 1 REF J.MOL.BIOL. V. 233 170 1993 REMARK 1 REFN ISSN 0022-2836 REMARK 1 PMID 8377185 REMARK 1 DOI 10.1006/JMBI.1993.1493 REMARK 2 REMARK 2 RESOLUTION. 2.0 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 3.1 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 : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.0 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.0 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0. REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 97.9 REMARK 3 NUMBER OF REFLECTIONS : 18932 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) : 0.1982 REMARK 3 FREE R VALUE : 0.2254 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.0 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 : 1893 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 2 REMARK 3 SOLVENT ATOMS : 77 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 19.9 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) : 0.25 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) : 0.0059 REMARK 3 BOND ANGLES (DEGREES) : 1.18 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) : 1.5 ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.0 ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : 1.5 ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : 2.0 ; 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 PARAMETER FILE 2 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1UNS COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 16-SEP-03. REMARK 100 THE PDBE ID CODE IS EBI-13526. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : 289.0 REMARK 200 PH : 6.50 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SRS REMARK 200 BEAMLINE : PX9.5 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.88 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 16364 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.000 REMARK 200 RESOLUTION RANGE LOW (A) : 40.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 91.4 REMARK 200 DATA REDUNDANCY : 4.900 REMARK 200 R MERGE (I) : 0.07800 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: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: PDB ENTRY 1STE REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): NULL REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): NULL REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL 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 21.25000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 65.82500 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 22.27000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 65.82500 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 21.25000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 22.27000 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 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 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PQS 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 400 REMARK 400 COMPOUND REMARK 400 ZINC ION A1237 IS TETRAHEDRALLY COORDINATED TO HIS 118, HIS REMARK 400 122 ASP 83 AND ASP 9 FROM A SYMMETRY RELATED MOLECULE. ZINC REMARK 400 ION A1238 IS TETRAHEDRALLY COORDINATED TO HIS 47 AND GLU 7 REMARK 400 FROM ONE MOLECULE AND GLU 119, AND GLU 80 FROM A SYMMETRY REMARK 400 RELATED MOLECULE 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 LYS A 237 REMARK 465 ASN A 238 REMARK 465 GLY A 239 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 GLU A 1 CG CD OE1 OE2 REMARK 470 SER A 96 OG REMARK 470 SER A 97 OG REMARK 470 LYS A 98 CG CD CE NZ REMARK 470 ASP A 99 CG OD1 OD2 REMARK 470 ASN A 100 CG OD1 ND2 REMARK 470 VAL A 101 CG1 CG2 REMARK 470 LYS A 103 CG CD CE NZ REMARK 470 VAL A 104 CG1 CG2 REMARK 470 THR A 105 OG1 CG2 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; REMARK 475 C=CHAIN IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE) REMARK 475 M RES C SSEQI REMARK 475 GLY A 102 REMARK 475 GLY A 106 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; REMARK 480 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 480 I=INSERTION CODE): REMARK 480 M RES CSSEQI ATOMS REMARK 480 LYS A 98 N CA C O CB REMARK 480 ASP A 99 N CA C O CB REMARK 480 ASN A 100 N CA C O CB REMARK 480 VAL A 101 N CA C O CB REMARK 480 LYS A 103 N CA C O CB REMARK 480 VAL A 104 N CA C O CB REMARK 480 THR A 105 N CA C O CB 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 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 PHE A 44 -67.65 -90.57 REMARK 500 LEU A 58 -28.90 83.87 REMARK 500 PHE A 95 123.39 -178.91 REMARK 500 LYS A 108 -61.51 -160.16 REMARK 500 SER A 178 -151.60 -147.95 REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): 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 A1237 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 118 ND1 REMARK 620 2 ASP A 9 OD2 117.9 REMARK 620 3 ASP A 83 OD1 120.8 101.8 REMARK 620 4 HIS A 122 NE2 105.0 102.4 107.2 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN A1238 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 80 OE2 REMARK 620 2 HIS A 47 NE2 92.5 REMARK 620 3 GLU A 71 OE1 141.3 102.7 REMARK 620 4 GLU A 80 OE1 53.9 124.3 88.8 REMARK 620 5 GLU A 119 OE1 82.5 111.0 122.8 106.9 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 ZN A1237 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A1238 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1CQV RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF STAPHYLOCOCCAL ENTEROTOXIN REMARK 900 C2 AT 100K REMARK 900 RELATED ID: 1I4P RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF STAPHYLOCOCCAL ENTEROTOXIN REMARK 900 C2 AT 100KCRYSTALLIZED AT PH 5.5 REMARK 900 RELATED ID: 1I4Q RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF STAPHYLOCOCCAL ENTEROTOXIN REMARK 900 C2 AT 100KCRYSTALLIZED AT PH 6.0 REMARK 900 RELATED ID: 1I4R RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF STAPHYLOCOCCAL ENTEROTOXIN REMARK 900 C2 AT 100KCRYSTALLIZED AT PH 6.5 REMARK 900 RELATED ID: 1I4X RELATED DB: PDB REMARK 900 STAPHYLOCOCCAL ENTEROTOXIN C2, MONOCLINIC FORM REMARK 900 CRYSTALLIZEDAT PH 8.0 REMARK 900 RELATED ID: 1SE2 RELATED DB: PDB REMARK 900 STAPHYLOCOCCAL ENTEROTOXIN C2, MONOCLINIC FORM REMARK 900 RELATED ID: 1STE RELATED DB: PDB REMARK 900 STAPHYLOCOCCAL ENTEROTOXIN C2 FROM REMARK 900 STAPHYLOCOCCUS AUREUS DBREF 1UNS A 1 239 UNP P34071 ETC2_STAAU 28 266 SEQRES 1 A 239 GLU SER GLN PRO ASP PRO THR PRO ASP GLU LEU HIS LYS SEQRES 2 A 239 SER SER GLU PHE THR GLY THR MET GLY ASN MET LYS TYR SEQRES 3 A 239 LEU TYR ASP ASP HIS TYR VAL SER ALA THR LYS VAL MET SEQRES 4 A 239 SER VAL ASP LYS PHE LEU ALA HIS ASP LEU ILE TYR ASN SEQRES 5 A 239 ILE SER ASP LYS LYS LEU LYS ASN TYR ASP LYS VAL LYS SEQRES 6 A 239 THR GLU LEU LEU ASN GLU ASP LEU ALA LYS LYS TYR LYS SEQRES 7 A 239 ASP GLU VAL VAL ASP VAL TYR GLY SER ASN TYR TYR VAL SEQRES 8 A 239 ASN CYS TYR PHE SER SER LYS ASP ASN VAL GLY LYS VAL SEQRES 9 A 239 THR GLY GLY LYS THR CYS MET TYR GLY GLY ILE THR LYS SEQRES 10 A 239 HIS GLU GLY ASN HIS PHE ASP ASN GLY ASN LEU GLN ASN SEQRES 11 A 239 VAL LEU ILE ARG VAL TYR GLU ASN LYS ARG ASN THR ILE SEQRES 12 A 239 SER PHE GLU VAL GLN THR ASP LYS LYS SER VAL THR ALA SEQRES 13 A 239 GLN GLU LEU ASP ILE LYS ALA ARG ASN PHE LEU ILE ASN SEQRES 14 A 239 LYS LYS ASN LEU TYR GLU PHE ASN SER SER PRO TYR GLU SEQRES 15 A 239 THR GLY TYR ILE LYS PHE ILE GLU ASN ASN GLY ASN THR SEQRES 16 A 239 PHE TRP TYR ASP MET MET PRO ALA PRO GLY ASP LYS PHE SEQRES 17 A 239 ASP GLN SER LYS TYR LEU MET MET TYR ASN ASP ASN LYS SEQRES 18 A 239 THR VAL ASP SER LYS SER VAL LYS ILE GLU VAL HIS LEU SEQRES 19 A 239 THR THR LYS ASN GLY HET ZN A1237 1 HET ZN A1238 1 HETNAM ZN ZINC ION FORMUL 2 ZN 2(ZN 2+) FORMUL 4 HOH *77(H2 O1) HELIX 1 1 LYS A 13 GLU A 16 5 4 HELIX 2 2 MET A 21 ASP A 29 1 9 HELIX 3 3 ASN A 70 ASP A 79 1 10 HELIX 4 4 PHE A 123 ASN A 127 5 5 HELIX 5 5 ALA A 156 ASN A 172 1 17 HELIX 6 6 ASP A 209 MET A 215 1 7 HELIX 7 7 MET A 216 ASN A 220 5 5 SHEET 1 AA 3 VAL A 33 VAL A 38 0 SHEET 2 AA 3 VAL A 82 GLY A 86 -1 O VAL A 82 N VAL A 38 SHEET 3 AA 3 ILE A 115 LYS A 117 -1 O THR A 116 N ASP A 83 SHEET 1 AB 3 ASP A 48 TYR A 51 0 SHEET 2 AB 3 VAL A 64 GLU A 67 -1 O VAL A 64 N TYR A 51 SHEET 3 AB 3 THR A 109 TYR A 112 1 O THR A 109 N LYS A 65 SHEET 1 AC 5 ARG A 140 THR A 149 0 SHEET 2 AC 5 GLN A 129 GLU A 137 -1 O GLN A 129 N THR A 149 SHEET 3 AC 5 LYS A 229 THR A 235 1 O ILE A 230 N ARG A 134 SHEET 4 AC 5 THR A 183 ILE A 189 -1 O THR A 183 N THR A 235 SHEET 5 AC 5 THR A 195 ASP A 199 -1 O PHE A 196 N PHE A 188 SHEET 1 AD 2 SER A 153 THR A 155 0 SHEET 2 AD 2 THR A 222 ASP A 224 -1 O VAL A 223 N VAL A 154 SSBOND 1 CYS A 93 CYS A 110 1555 1555 2.03 LINK ZN ZN A1237 ND1 HIS A 118 1555 1555 2.09 LINK ZN ZN A1237 OD2 ASP A 9 1555 1655 1.96 LINK ZN ZN A1237 OD1 ASP A 83 1555 1555 1.91 LINK ZN ZN A1237 NE2 HIS A 122 1555 1555 2.02 LINK ZN ZN A1238 NE2 HIS A 47 1555 1555 2.03 LINK ZN ZN A1238 OE1 GLU A 71 1555 1555 2.08 LINK ZN ZN A1238 OE1 GLU A 80 1555 4455 1.98 LINK ZN ZN A1238 OE1 GLU A 119 1555 4455 2.08 LINK ZN ZN A1238 OE2 GLU A 80 1555 4455 2.68 SITE 1 AC1 4 ASP A 9 ASP A 83 HIS A 118 HIS A 122 SITE 1 AC2 4 HIS A 47 GLU A 71 GLU A 80 GLU A 119 CRYST1 42.500 44.540 131.650 90.00 90.00 90.00 P 21 21 21 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 0.023529 0.000000 0.000000 0.00000 SCALE2 0.000000 0.022452 0.000000 0.00000 SCALE3 0.000000 0.000000 0.007596 0.00000