PDB Short entry for 1ESF HEADER ENTEROTOXIN 25-MAY-95 1ESF TITLE STAPHYLOCOCCAL ENTEROTOXIN A COMPND MOL_ID: 1; COMPND 2 MOLECULE: STAPHYLOCOCCAL ENTEROTOXIN A; COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: 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 KEYWDS ENTEROTOXIN, STAPHYLOCOCCAL ENTEROTOXIN TYPE A EXPDTA X-RAY DIFFRACTION AUTHOR E.M.SCHAD,L.A.SVENSSON REVDAT 3 24-FEB-09 1ESF 1 VERSN REVDAT 2 30-SEP-03 1ESF 1 DBREF REVDAT 1 11-JUL-96 1ESF 0 JRNL AUTH E.M.SCHAD,I.ZAITSEVA,V.N.ZAITSEV,M.DOHLSTEN, JRNL AUTH 2 T.KALLAND,P.M.SCHLIEVERT,D.H.OHLENDORF,L.A.SVENSSON JRNL TITL CRYSTAL STRUCTURE OF THE SUPERANTIGEN JRNL TITL 2 STAPHYLOCOCCAL ENTEROTOXIN TYPE A. JRNL REF EMBO J. V. 14 3292 1995 JRNL REFN ISSN 0261-4189 JRNL PMID 7628431 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH L.ABRAHMSEN,M.DOHLSTEN,S.SEGREN,P.BJORK,E.JONSSON, REMARK 1 AUTH 2 T.KALLAND REMARK 1 TITL CHARACTERIZATION OF TWO DISTINCT MHC CLASS II REMARK 1 TITL 2 BINDING SITES IN THE SUPERANTIGEN STAPHYLOCOCCAL REMARK 1 TITL 3 ENTEROTOXIN A REMARK 1 REF EMBO J. V. 14 2978 1995 REMARK 1 REFN ISSN 0261-4189 REMARK 1 REFERENCE 2 REMARK 1 AUTH T.S.JARDETZKY,J.H.BROWN,J.C.GORGA,L.J.STERN, REMARK 1 AUTH 2 R.G.URBAN,Y.I.CHI,C.STAUFFACHER,J.L.STROMINGER, REMARK 1 AUTH 3 D.C.WILEY REMARK 1 TITL THREE-DIMENSIONAL STRUCTURE OF A HUMAN CLASS II REMARK 1 TITL 2 HISTOCOMPATIBILITY MOLECULE COMPLEXED WITH REMARK 1 TITL 3 SUPERANTIGEN REMARK 1 REF NATURE V. 368 711 1994 REMARK 1 REFN ISSN 0028-0836 REMARK 1 REFERENCE 3 REMARK 1 AUTH G.S.PRASAD,C.A.EARHART,D.L.MURRAY,R.P.NOVICK, REMARK 1 AUTH 2 P.M.SCHLIEVERT,D.H.OHLENDORF REMARK 1 TITL STRUCTURE OF TOXIC SHOCK SYNDROME TOXIN 1 REMARK 1 REF BIOCHEMISTRY V. 32 13761 1993 REMARK 1 REFN ISSN 0006-2960 REMARK 1 REFERENCE 4 REMARK 1 AUTH J.D.FRASER,R.G.URBAN,J.L.STROMINGER,H.ROBINSON REMARK 1 TITL ZINC REGULATES THE FUNCTION OF TWO SUPERANTIGENS REMARK 1 REF PROC.NATL.ACAD.SCI.USA V. 89 5507 1992 REMARK 1 REFN ISSN 0027-8424 REMARK 1 REFERENCE 5 REMARK 1 AUTH S.SWAMINATHAN,W.FUREY,J.PLETCHER,M.SAX REMARK 1 TITL CRYSTAL STRUCTURE OF STAPHYLOCOCCAL ENTEROTOXIN B, REMARK 1 TITL 2 A SUPERANTIGEN REMARK 1 REF NATURE V. 359 801 1992 REMARK 1 REFN ISSN 0028-0836 REMARK 2 REMARK 2 RESOLUTION. 1.90 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) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 10.00 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) (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 37509 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) : 0.204 REMARK 3 FREE R VALUE : 0.277 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.000 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 : 3747 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 4 REMARK 3 SOLVENT ATOMS : 169 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 30.60 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) : 0.020 REMARK 3 BOND ANGLES (DEGREES) : 2.06 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 26.87 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.74 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 1ESF COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 18-AUG-93 REMARK 200 TEMPERATURE (KELVIN) : 277 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SRS REMARK 200 BEAMLINE : PX9.6 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0 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 : 37509 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.900 REMARK 200 RESOLUTION RANGE LOW (A) : 29.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.7 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : 0.04400 REMARK 200 R SYM (I) : 0.06400 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: MIR REMARK 200 SOFTWARE USED: X-PLOR 3.1 REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 46.64 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.31 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 31.25000 REMARK 290 SMTRY3 2 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 ASP A 60 REMARK 465 HIS A 61 REMARK 465 SER A 62 REMARK 465 TRP A 63 REMARK 465 THR B 59 REMARK 465 ASP B 60 REMARK 465 HIS B 61 REMARK 465 SER B 62 REMARK 465 TRP B 63 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 PHE A 47 N - CA - C ANGL. DEV. = -16.4 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 TYR A 31 -44.37 -130.73 REMARK 500 PHE A 47 -96.26 -122.23 REMARK 500 GLN A 95 8.02 80.45 REMARK 500 ASN A 102 -8.36 76.71 REMARK 500 TYR B 31 -41.78 -130.62 REMARK 500 PHE B 47 -73.05 -100.18 REMARK 500 ASN B 102 -11.37 79.64 REMARK 500 ASN B 223 75.81 44.06 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 TYR A 205 0.07 SIDE_CHAIN REMARK 500 TYR B 64 0.08 SIDE_CHAIN 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 240 CD REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 752 O REMARK 620 2 SER A 1 N 73.8 REMARK 620 3 SER A 1 OG 71.3 73.0 REMARK 620 4 HIS A 187 ND1 93.9 88.9 159.0 REMARK 620 5 HIS A 225 NE2 86.5 160.2 98.8 94.8 REMARK 620 6 ASP A 227 OD1 130.3 109.2 63.3 135.0 81.7 REMARK 620 7 ASP A 227 OD2 169.5 97.2 101.2 91.3 102.1 46.8 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CD B 240 CD REMARK 620 N RES CSSEQI ATOM REMARK 620 1 SER B 1 OG REMARK 620 2 HIS B 187 ND1 160.1 REMARK 620 3 HIS B 225 NE2 98.9 97.0 REMARK 620 4 ASP B 227 OD2 91.6 97.8 98.7 REMARK 620 5 SER B 1 N 69.5 92.3 163.2 93.9 REMARK 620 N 1 2 3 4 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: CD1 REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: CD 2+ BINDING SITE I. REMARK 800 SITE_IDENTIFIER: CD2 REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: CD 2+ BINDING SITE II. REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CD A 240 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CD B 240 DBREF 1ESF A 1 233 UNP P0A0L2 ETXA_STAAU 25 257 DBREF 1ESF B 1 233 UNP P0A0L2 ETXA_STAAU 25 257 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 HIS 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 HIS 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 CD A 240 1 HET CD B 240 1 HETNAM CD CADMIUM ION FORMUL 3 CD 2(CD 2+) FORMUL 5 HOH *168(H2 O) HELIX 1 1 SER A 4 GLU A 9 1 6 HELIX 2 2 LYS A 15 GLU A 17 5 3 HELIX 3 3 ALA A 22 TYR A 31 1 10 HELIX 4 4 LYS A 74 TYR A 80 1 7 HELIX 5 5 VAL A 152 TYR A 167 1 16 HELIX 6 6 ASP A 173 PHE A 175 5 3 HELIX 7 7 SER A 206 TYR A 213 1 8 HELIX 8 8 SER B 4 GLU B 9 1 6 HELIX 9 9 LYS B 15 GLU B 17 5 3 HELIX 10 10 ALA B 22 TYR B 31 1 10 HELIX 11 11 LYS B 74 LYS B 79 1 6 HELIX 12 12 LEU B 140 THR B 142 5 3 HELIX 13 13 VAL B 152 TYR B 167 1 16 HELIX 14 14 ASP B 173 PHE B 175 5 3 HELIX 15 15 SER B 206 TYR B 213 1 8 SHEET 1 A 3 LYS A 35 THR A 38 0 SHEET 2 A 3 VAL A 85 ALA A 90 -1 N GLY A 89 O ALA A 36 SHEET 3 A 3 VAL A 111 LEU A 113 -1 N THR A 112 O ASP A 86 SHEET 1 B 3 THR A 51 PHE A 54 0 SHEET 2 B 3 ASP A 66 ASP A 70 -1 N VAL A 69 O ILE A 52 SHEET 3 B 3 THR A 104 TYR A 108 1 N ALA A 105 O ASP A 66 SHEET 1 C 5 LYS A 134 ASN A 136 0 SHEET 2 C 5 ILE A 127 LEU A 131 -1 N LEU A 131 O LYS A 134 SHEET 3 C 5 HIS A 225 TYR A 231 1 N ILE A 226 O ASN A 128 SHEET 4 C 5 ARG A 181 HIS A 187 -1 N HIS A 187 O HIS A 225 SHEET 5 C 5 VAL A 194 ASP A 197 -1 N TYR A 196 O ILE A 184 SHEET 1 D 2 ASN A 149 THR A 151 0 SHEET 2 D 2 THR A 218 ASN A 220 -1 N ILE A 219 O VAL A 150 SHEET 1 E 3 LYS B 35 THR B 38 0 SHEET 2 E 3 VAL B 85 ALA B 90 -1 N GLY B 89 O ALA B 36 SHEET 3 E 3 VAL B 111 LEU B 113 -1 N THR B 112 O ASP B 86 SHEET 1 F 3 THR B 51 PHE B 54 0 SHEET 2 F 3 ASP B 66 ASP B 70 -1 N VAL B 69 O ILE B 52 SHEET 3 F 3 THR B 104 TYR B 108 1 N ALA B 105 O ASP B 66 SHEET 1 G 2 LYS B 123 VAL B 125 0 SHEET 2 G 2 VAL B 143 THR B 145 -1 N THR B 145 O LYS B 123 SHEET 1 H 5 LYS B 134 ASN B 136 0 SHEET 2 H 5 ILE B 127 LEU B 131 -1 N LEU B 131 O LYS B 134 SHEET 3 H 5 MET B 224 TYR B 231 1 N ILE B 226 O ASN B 128 SHEET 4 H 5 ARG B 181 THR B 188 -1 N HIS B 187 O HIS B 225 SHEET 5 H 5 VAL B 194 ASP B 197 -1 N TYR B 196 O ILE B 184 SHEET 1 I 2 ASN B 149 THR B 151 0 SHEET 2 I 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 2.01 SSBOND 2 CYS B 96 CYS B 106 1555 1555 2.18 LINK CD CD A 240 O HOH A 752 1555 1555 3.10 LINK CD CD A 240 N SER A 1 1555 1555 2.49 LINK CD CD A 240 OG SER A 1 1555 1555 2.36 LINK CD CD A 240 ND1 HIS A 187 1555 1555 2.38 LINK CD CD A 240 NE2 HIS A 225 1555 1555 2.33 LINK CD CD A 240 OD1 ASP A 227 1555 1555 2.95 LINK CD CD A 240 OD2 ASP A 227 1555 1555 2.42 LINK CD CD B 240 OG SER B 1 1555 1555 2.41 LINK CD CD B 240 ND1 HIS B 187 1555 1555 2.27 LINK CD CD B 240 NE2 HIS B 225 1555 1555 2.26 LINK CD CD B 240 OD2 ASP B 227 1555 1555 2.38 LINK CD CD B 240 N SER B 1 1555 1555 2.27 SITE 1 CD1 6 CD A 240 SER A 1 HIS A 187 HIS A 225 SITE 2 CD1 6 ASP A 227 HOH A 752 SITE 1 CD2 5 CD B 240 SER B 1 HIS B 187 HIS B 225 SITE 2 CD2 5 ASP B 227 SITE 1 AC1 4 SER A 1 HIS A 187 HIS A 225 ASP A 227 SITE 1 AC2 4 SER B 1 HIS B 187 HIS B 225 ASP B 227 CRYST1 53.600 62.500 75.100 90.00 96.00 90.00 P 1 21 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 0.018657 0.000000 0.001961 0.00000 SCALE2 0.000000 0.016000 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013389 0.00000 MTRIX1 1 0.997839 -0.064848 0.010615 23.42651 1 MTRIX2 1 -0.064725 -0.997836 -0.011541 27.24720 1 MTRIX3 1 0.011341 0.010829 -0.999877 37.36518 1