HEADER METAL BINDING PROTEIN/INHIBITOR 22-APR-14 4PE1 TITLE CRYSTAL STRUCTURE OF CALCIUM-LOADED S100B BOUND TO SC124 COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROTEIN S100-B; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: S-100 PROTEIN BETA CHAIN,S-100 PROTEIN SUBUNIT BETA,S100 COMPND 5 CALCIUM-BINDING PROTEIN B; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BOS TAURUS; SOURCE 3 ORGANISM_COMMON: BOVINE; SOURCE 4 ORGANISM_TAXID: 9913; SOURCE 5 GENE: S100B; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS MALIGNANT MELANOMA, CALCIUM BINDING, COMPLEX, COVALENT INHIBITOR, KEYWDS 2 METAL BINDING PROTEIN-INHIBITOR COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR M.C.CAVALIER,A.D.PIERCE,P.T.WILDER,D.NEAU,E.A.TOTH,D.J.WEBER REVDAT 6 27-SEP-23 4PE1 1 REMARK LINK REVDAT 5 04-DEC-19 4PE1 1 REMARK REVDAT 4 22-NOV-17 4PE1 1 REMARK REVDAT 3 13-SEP-17 4PE1 1 SOURCE JRNL REMARK REVDAT 2 05-NOV-14 4PE1 1 JRNL REVDAT 1 15-OCT-14 4PE1 0 JRNL AUTH M.C.CAVALIER,A.D.PIERCE,P.T.WILDER,M.J.ALASADY,K.G.HARTMAN, JRNL AUTH 2 D.B.NEAU,T.L.FOLEY,A.JADHAV,D.J.MALONEY,A.SIMEONOV,E.A.TOTH, JRNL AUTH 3 D.J.WEBER JRNL TITL COVALENT SMALL MOLECULE INHIBITORS OF CA(2+)-BOUND S100B. JRNL REF BIOCHEMISTRY V. 53 6628 2014 JRNL REFN ISSN 0006-2960 JRNL PMID 25268459 JRNL DOI 10.1021/BI5005552 REMARK 2 REMARK 2 RESOLUTION. 1.58 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (PHENIX.REFINE: 1.8.1_1168) REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.58 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 35.35 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.350 REMARK 3 COMPLETENESS FOR RANGE (%) : 97.6 REMARK 3 NUMBER OF REFLECTIONS : 23592 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.215 REMARK 3 R VALUE (WORKING SET) : 0.213 REMARK 3 FREE R VALUE : 0.253 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.090 REMARK 3 FREE R VALUE TEST SET COUNT : 1201 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 35.3562 - 3.2780 0.98 2542 157 0.1876 0.2072 REMARK 3 2 3.2780 - 2.6021 0.98 2548 122 0.2087 0.2670 REMARK 3 3 2.6021 - 2.2732 0.99 2512 142 0.2156 0.2548 REMARK 3 4 2.2732 - 2.0654 1.00 2542 129 0.2166 0.2642 REMARK 3 5 2.0654 - 1.9174 0.99 2533 133 0.2364 0.2975 REMARK 3 6 1.9174 - 1.8044 1.00 2530 137 0.2601 0.3690 REMARK 3 7 1.8044 - 1.7140 0.99 2525 133 0.2642 0.3362 REMARK 3 8 1.7140 - 1.6394 0.99 2536 126 0.2758 0.3150 REMARK 3 9 1.6394 - 1.5763 0.86 2123 122 0.2897 0.3248 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.11 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.220 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 31.220 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 28.92 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 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : 0.020 1506 REMARK 3 ANGLE : 1.046 2033 REMARK 3 CHIRALITY : 0.072 215 REMARK 3 PLANARITY : 0.003 256 REMARK 3 DIHEDRAL : 16.704 564 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 4PE1 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 25-APR-14. REMARK 100 THE DEPOSITION ID IS D_1000201229. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 25-APR-13 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRL REMARK 200 BEAMLINE : BL7-1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.1271 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 200 DATA SCALING SOFTWARE : SCALA 3.3.20 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 23617 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.576 REMARK 200 RESOLUTION RANGE LOW (A) : 35.347 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.8 REMARK 200 DATA REDUNDANCY : 3.500 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.02900 REMARK 200 FOR THE DATA SET : 22.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.58 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.66 REMARK 200 COMPLETENESS FOR SHELL (%) : 89.1 REMARK 200 DATA REDUNDANCY IN SHELL : 2.90 REMARK 200 R MERGE FOR SHELL (I) : 0.32500 REMARK 200 R SYM FOR SHELL (I) : 0.32500 REMARK 200 FOR SHELL : 2.400 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: 1MHO REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 42.22 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.13 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 40% 2-METHYL-2,4-PENTANEDIOL, 0.1M REMARK 280 HEPES,7.5MM CACL2, 4MM SC124, PH 7.0, VAPOR DIFFUSION, SITTING REMARK 280 DROP, TEMPERATURE 295K 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 28.23150 REMARK 290 SMTRY3 2 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 3670 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 9650 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -78.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, 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 GLU A 89 REMARK 465 HIS A 90 REMARK 465 GLU A 91 REMARK 465 HIS B 90 REMARK 465 GLU B 91 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 O HOH B 203 O HOH B 283 1.83 REMARK 500 O HOH B 231 O HOH B 234 1.86 REMARK 500 O HOH B 203 O HOH B 238 1.90 REMARK 500 O HOH B 245 O HOH B 248 1.92 REMARK 500 O GLY A 64 O HOH A 201 1.95 REMARK 500 O HOH B 225 O HOH B 230 1.95 REMARK 500 O HOH A 286 O HOH A 290 2.06 REMARK 500 O HOH B 260 O HOH B 263 2.18 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 O HOH A 221 O HOH B 211 1656 2.05 REMARK 500 O HOH A 218 O HOH B 238 2857 2.08 REMARK 500 O HOH A 240 O HOH B 237 1556 2.09 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 CA A 102 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 SER A 18 O REMARK 620 2 GLU A 21 O 103.1 REMARK 620 3 ASP A 23 O 84.8 83.7 REMARK 620 4 LYS A 26 O 86.3 161.3 81.1 REMARK 620 5 GLU A 31 OE1 100.5 119.7 153.4 73.3 REMARK 620 6 GLU A 31 OE2 79.8 79.1 153.6 118.8 52.0 REMARK 620 7 HOH A 247 O 166.2 83.9 84.2 83.8 85.8 113.5 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 103 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 61 OD1 REMARK 620 2 ASP A 63 OD1 87.1 REMARK 620 3 ASP A 65 OD1 83.4 77.4 REMARK 620 4 GLU A 67 O 87.2 156.1 78.9 REMARK 620 5 GLU A 72 OE1 112.7 126.3 150.2 77.1 REMARK 620 6 GLU A 72 OE2 90.3 80.7 157.5 122.5 51.4 REMARK 620 7 HOH A 249 O 158.4 82.3 76.0 94.9 88.7 106.3 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA B 102 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 SER B 18 O REMARK 620 2 GLU B 21 O 88.7 REMARK 620 3 ASP B 23 O 94.4 58.1 REMARK 620 4 LYS B 26 O 102.8 160.5 134.9 REMARK 620 5 GLU B 31 OE1 91.8 96.0 153.1 68.3 REMARK 620 6 GLU B 31 OE2 70.6 53.4 109.6 115.4 48.6 REMARK 620 7 HOH B 273 O 163.4 80.1 69.3 91.5 101.4 111.0 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA B 103 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP B 61 OD1 REMARK 620 2 ASP B 63 OD1 81.0 REMARK 620 3 ASP B 65 OD1 82.9 77.3 REMARK 620 4 GLU B 67 O 84.7 155.3 80.9 REMARK 620 5 GLU B 72 OE1 113.3 124.8 153.1 79.5 REMARK 620 6 GLU B 72 OE2 91.8 76.7 154.0 124.0 51.1 REMARK 620 7 HOH B 249 O 156.1 85.7 74.9 100.0 90.5 104.4 REMARK 620 N 1 2 3 4 5 6 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue DCD A 101 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue CA A 102 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue CA A 103 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue DCD B 101 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue CA B 102 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue CA B 103 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 4PDZ RELATED DB: PDB REMARK 900 RELATED ID: 4PE0 RELATED DB: PDB REMARK 900 RELATED ID: 4PE4 RELATED DB: PDB REMARK 900 RELATED ID: 4PE7 RELATED DB: PDB DBREF 4PE1 A 0 91 UNP P02638 S100B_BOVIN 1 92 DBREF 4PE1 B 0 91 UNP P02638 S100B_BOVIN 1 92 SEQRES 1 A 92 MET SER GLU LEU GLU LYS ALA VAL VAL ALA LEU ILE ASP SEQRES 2 A 92 VAL PHE HIS GLN TYR SER GLY ARG GLU GLY ASP LYS HIS SEQRES 3 A 92 LYS LEU LYS LYS SER GLU LEU LYS GLU LEU ILE ASN ASN SEQRES 4 A 92 GLU LEU SER HIS PHE LEU GLU GLU ILE LYS GLU GLN GLU SEQRES 5 A 92 VAL VAL ASP LYS VAL MET GLU THR LEU ASP SER ASP GLY SEQRES 6 A 92 ASP GLY GLU CYS ASP PHE GLN GLU PHE MET ALA PHE VAL SEQRES 7 A 92 ALA MET ILE THR THR ALA CYS HIS GLU PHE PHE GLU HIS SEQRES 8 A 92 GLU SEQRES 1 B 92 MET SER GLU LEU GLU LYS ALA VAL VAL ALA LEU ILE ASP SEQRES 2 B 92 VAL PHE HIS GLN TYR SER GLY ARG GLU GLY ASP LYS HIS SEQRES 3 B 92 LYS LEU LYS LYS SER GLU LEU LYS GLU LEU ILE ASN ASN SEQRES 4 B 92 GLU LEU SER HIS PHE LEU GLU GLU ILE LYS GLU GLN GLU SEQRES 5 B 92 VAL VAL ASP LYS VAL MET GLU THR LEU ASP SER ASP GLY SEQRES 6 B 92 ASP GLY GLU CYS ASP PHE GLN GLU PHE MET ALA PHE VAL SEQRES 7 B 92 ALA MET ILE THR THR ALA CYS HIS GLU PHE PHE GLU HIS SEQRES 8 B 92 GLU HET DCD A 101 8 HET CA A 102 1 HET CA A 103 1 HET DCD B 101 8 HET CA B 102 1 HET CA B 103 1 HETNAM DCD DIETHYLCARBAMODITHIOIC ACID HETNAM CA CALCIUM ION FORMUL 3 DCD 2(C5 H11 N S2) FORMUL 4 CA 4(CA 2+) FORMUL 9 HOH *173(H2 O) HELIX 1 AA1 SER A 1 GLY A 19 1 19 HELIX 2 AA2 LYS A 28 LEU A 40 1 13 HELIX 3 AA3 GLU A 49 ASP A 61 1 13 HELIX 4 AA4 ASP A 69 PHE A 88 1 20 HELIX 5 AA5 SER B 1 GLY B 19 1 19 HELIX 6 AA6 LYS B 28 LEU B 40 1 13 HELIX 7 AA7 GLU B 49 ASP B 61 1 13 HELIX 8 AA8 ASP B 69 GLU B 89 1 21 SSBOND 1 CYS A 84 DCD A 101 1555 1555 2.00 SSBOND 2 CYS B 84 DCD B 101 1555 1555 2.00 LINK O SER A 18 CA CA A 102 1555 1555 2.34 LINK O GLU A 21 CA CA A 102 1555 1555 2.33 LINK O ASP A 23 CA CA A 102 1555 1555 2.36 LINK O LYS A 26 CA CA A 102 1555 1555 2.46 LINK OE1 GLU A 31 CA CA A 102 1555 1555 2.44 LINK OE2 GLU A 31 CA CA A 102 1555 1555 2.56 LINK OD1 ASP A 61 CA CA A 103 1555 1555 2.36 LINK OD1 ASP A 63 CA CA A 103 1555 1555 2.36 LINK OD1 ASP A 65 CA CA A 103 1555 1555 2.41 LINK O GLU A 67 CA CA A 103 1555 1555 2.37 LINK OE1 GLU A 72 CA CA A 103 1555 1555 2.45 LINK OE2 GLU A 72 CA CA A 103 1555 1555 2.58 LINK CA CA A 102 O HOH A 247 1555 1555 2.29 LINK CA CA A 103 O HOH A 249 1555 1555 2.43 LINK O SER B 18 CA CA B 102 1555 1555 2.28 LINK O GLU B 21 CA CA B 102 1555 1555 2.96 LINK O ASP B 23 CA CA B 102 1555 1555 2.02 LINK O LYS B 26 CA CA B 102 1555 1555 2.14 LINK OE1 GLU B 31 CA CA B 102 1555 1555 2.54 LINK OE2 GLU B 31 CA CA B 102 1555 1555 2.72 LINK OD1 ASP B 61 CA CA B 103 1555 1555 2.34 LINK OD1 ASP B 63 CA CA B 103 1555 1555 2.29 LINK OD1 ASP B 65 CA CA B 103 1555 1555 2.38 LINK O GLU B 67 CA CA B 103 1555 1555 2.37 LINK OE1 GLU B 72 CA CA B 103 1555 1555 2.39 LINK OE2 GLU B 72 CA CA B 103 1555 1555 2.61 LINK CA CA B 102 O HOH B 273 1555 1555 2.33 LINK CA CA B 103 O HOH B 249 1555 1555 2.36 SITE 1 AC1 3 PHE A 43 CYS A 84 PHE A 87 SITE 1 AC2 6 SER A 18 GLU A 21 ASP A 23 LYS A 26 SITE 2 AC2 6 GLU A 31 HOH A 247 SITE 1 AC3 6 ASP A 61 ASP A 63 ASP A 65 GLU A 67 SITE 2 AC3 6 GLU A 72 HOH A 249 SITE 1 AC4 3 CYS B 84 PHE B 88 HOH B 239 SITE 1 AC5 7 SER B 18 GLU B 21 ASP B 23 LYS B 24 SITE 2 AC5 7 LYS B 26 GLU B 31 HOH B 273 SITE 1 AC6 6 ASP B 61 ASP B 63 ASP B 65 GLU B 67 SITE 2 AC6 6 GLU B 72 HOH B 249 CRYST1 34.649 56.463 48.269 90.00 110.10 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 0.028861 0.000000 0.010563 0.00000 SCALE2 0.000000 0.017711 0.000000 0.00000 SCALE3 0.000000 0.000000 0.022061 0.00000