HEADER HYDROLASE/HYDROLASE INHIBITOR 09-JUL-14 4QTX TITLE CASPASE-3 Y195A COMPND MOL_ID: 1; COMPND 2 MOLECULE: CASPASE-3; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: CASP-3, APOPAIN, CYSTEINE PROTEASE CPP32, CPP-32, PROTEIN COMPND 5 YAMA, SREBP CLEAVAGE ACTIVITY 1, SCA-1, CASPASE-3 SUBUNIT P17, COMPND 6 CASPASE-3 SUBUNIT P12; COMPND 7 EC: 3.4.22.56; COMPND 8 ENGINEERED: YES; COMPND 9 MUTATION: YES; COMPND 10 MOL_ID: 2; COMPND 11 MOLECULE: ACE-ASP-GLU-VAL-ASP-CHLOROMETHYLKETONE INHIBITOR; COMPND 12 CHAIN: E; COMPND 13 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: CASP3, CPP32; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 MOL_ID: 2; SOURCE 9 SYNTHETIC: YES KEYWDS ALLOSTERIC NETWORKS, HYDROLASE-HYDROLASE INHIBITOR COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR C.CADE,P.D.SWARTZ,S.H.MACKENZIE,A.C.CLARK REVDAT 3 22-NOV-17 4QTX 1 REMARK REVDAT 2 24-DEC-14 4QTX 1 JRNL REVDAT 1 05-NOV-14 4QTX 0 JRNL AUTH C.CADE,P.SWARTZ,S.H.MACKENZIE,A.C.CLARK JRNL TITL MODIFYING CASPASE-3 ACTIVITY BY ALTERING ALLOSTERIC JRNL TITL 2 NETWORKS. JRNL REF BIOCHEMISTRY V. 53 7582 2014 JRNL REFN ISSN 0006-2960 JRNL PMID 25343534 JRNL DOI 10.1021/BI500874K REMARK 2 REMARK 2 RESOLUTION. 1.97 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (PHENIX.REFINE: 1.8.2_1309) 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) : 1.97 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 27.97 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.330 REMARK 3 COMPLETENESS FOR RANGE (%) : 94.2 REMARK 3 NUMBER OF REFLECTIONS : 18917 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.205 REMARK 3 R VALUE (WORKING SET) : 0.199 REMARK 3 FREE R VALUE : 0.259 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.020 REMARK 3 FREE R VALUE TEST SET COUNT : 1895 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 27.9694 - 4.7504 0.98 1363 151 0.1690 0.1951 REMARK 3 2 4.7504 - 3.7734 0.99 1301 144 0.1396 0.1838 REMARK 3 3 3.7734 - 3.2973 0.99 1288 141 0.1721 0.2422 REMARK 3 4 3.2973 - 2.9962 1.00 1299 142 0.2012 0.2498 REMARK 3 5 2.9962 - 2.7817 0.99 1282 144 0.1876 0.2770 REMARK 3 6 2.7817 - 2.6178 0.99 1268 143 0.1995 0.2655 REMARK 3 7 2.6178 - 2.4868 0.99 1265 141 0.1934 0.2953 REMARK 3 8 2.4868 - 2.3786 0.99 1258 140 0.2058 0.2985 REMARK 3 9 2.3786 - 2.2871 0.99 1257 140 0.2125 0.2768 REMARK 3 10 2.2871 - 2.2082 0.93 1177 130 0.3239 0.3867 REMARK 3 11 2.2082 - 2.1392 0.99 1282 144 0.2384 0.2577 REMARK 3 12 2.1392 - 2.0780 0.98 1240 137 0.2376 0.2986 REMARK 3 13 2.0780 - 2.0233 0.86 1088 125 0.3502 0.4239 REMARK 3 14 2.0233 - 1.9740 0.52 654 73 0.3811 0.4329 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) : 0.310 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 28.960 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL 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 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 : 0.007 2023 REMARK 3 ANGLE : 1.095 2722 REMARK 3 CHIRALITY : 0.075 291 REMARK 3 PLANARITY : 0.004 353 REMARK 3 DIHEDRAL : 13.434 760 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 4QTX COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 11-JUL-14. REMARK 100 THE DEPOSITION ID IS D_1000086508. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 13-MAR-10 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 22-BM 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 : BENDING MAGNET REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARMOSAIC 225 MM CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 18917 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.974 REMARK 200 RESOLUTION RANGE LOW (A) : 27.967 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 94.2 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL 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) : 2.16 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.21 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 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 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: PHENIX REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 43.34 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.17 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PROTEINS WERE DIALYZED IN A BUFFER OF REMARK 280 10 MM TRIS-HCL, PH 8.5, 1 MM DTT AND CONCENTRATED TO 10 MG/ML. REMARK 280 INHIBITOR, AC-DEVD-CMK RECONSTITUTED IN DMSO, WAS THEN ADDED AT REMARK 280 A 5:1 INHIBITOR:PEPTIDE RATIO (W/W). THE PROTEIN WAS DILUTED TO REMARK 280 A CONCENTRATION OF 8 MG/ML BY ADDING 10 MM TRIS-HCL, PH 8.5, REMARK 280 CONCENTRATED DTT, AND CONCENTRATED NAN3 SO THAT THE FINAL BUFFER REMARK 280 CONSISTED OF 10 MM TRIS-HCL, PH 8.5, 10 MM DTT, AND 3 MM NAN3. REMARK 280 CRYSTALS WERE OBTAINED AT 291K BY THE HANGING DROP VAPOR REMARK 280 DIFFUSION METHOD USING 4 L DROPS THAT CONTAINED EQUAL VOLUMES OF REMARK 280 PROTEIN AND RESERVOIR SOLUTIONS OVER A 0.5 ML RESERVOIR. THE REMARK 280 RESERVOIR SOLUTIONS FOR OPTIMAL CRYSTAL GROWTH CONSISTED OF 100 REMARK 280 MM SODIUM CITRATE, PH 5.0, 3 MM NAN3, 10 MM DTT, AND 10% 16% PEG REMARK 280 6000 (W/V). CRYSTALS APPEARED WITHIN 3.5 TO 6 WEEKS FOR ALL REMARK 280 MUTANTS, VAPOR DIFFUSION, HANGING DROP REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 2 2 2 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,Y,-Z REMARK 290 4555 X,-Y,-Z REMARK 290 5555 X+1/2,Y+1/2,Z+1/2 REMARK 290 6555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 7555 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 8555 X+1/2,-Y+1/2,-Z+1/2 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 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 34.32200 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 42.24650 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 48.24350 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 34.32200 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 42.24650 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 48.24350 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 34.32200 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 42.24650 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 48.24350 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 34.32200 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 42.24650 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 48.24350 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: TETRAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 6920 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 19170 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -16.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, E 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 BIOMT1 2 -1.000000 0.000000 0.000000 205.93200 REMARK 350 BIOMT2 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 400 REMARK 400 COMPOUND REMARK 400 REMARK 400 THE AC-ASP-GLU-VAL-ASP-CMK IS PEPTIDE-LIKE, A MEMBER OF INHIBITOR REMARK 400 CLASS. REMARK 400 REMARK 400 GROUP: 1 REMARK 400 NAME: AC-ASP-GLU-VAL-ASP-CMK REMARK 400 CHAIN: E REMARK 400 COMPONENT_1: PEPTIDE LIKE POLYMER REMARK 400 DESCRIPTION: NULL 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 MET A 1 REMARK 465 GLU A 2 REMARK 465 ASN A 3 REMARK 465 THR A 4 REMARK 465 GLU A 5 REMARK 465 ASN A 6 REMARK 465 SER A 7 REMARK 465 VAL A 8 REMARK 465 ASP A 9 REMARK 465 SER A 10 REMARK 465 LYS A 11 REMARK 465 SER A 12 REMARK 465 ILE A 13 REMARK 465 LYS A 14 REMARK 465 ASN A 15 REMARK 465 LEU A 16 REMARK 465 GLU A 17 REMARK 465 PRO A 18 REMARK 465 LYS A 19 REMARK 465 ILE A 20 REMARK 465 ILE A 21 REMARK 465 HIS A 22 REMARK 465 GLY A 23 REMARK 465 SER A 24 REMARK 465 GLU A 25 REMARK 465 SER A 26 REMARK 465 MET A 27 REMARK 465 ASP A 28 REMARK 465 THR A 174 REMARK 465 ASP A 175 REMARK 465 SER A 176 REMARK 465 GLY A 177 REMARK 465 VAL A 178 REMARK 465 ASP A 179 REMARK 465 ASP A 180 REMARK 465 ASP A 181 REMARK 465 MET A 182 REMARK 465 ALA A 183 REMARK 465 CYS A 184 REMARK 465 HIS A 277 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 TYR A 195 CG CD1 CD2 CE1 CE2 CZ OH 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 SER A 120 -174.53 -172.54 REMARK 500 ARG A 144 150.54 -46.84 REMARK 500 LYS A 229 -21.87 -140.37 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACT A 801 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR CHAIN E OF ACE-ASP-GLU-VAL-ASP REMARK 800 -CHLOROMETHYLKETONE INHIBITOR REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 4QTX RELATED DB: PDB REMARK 900 RELATED ID: 4QTY RELATED DB: PDB REMARK 900 RELATED ID: 4QU0 RELATED DB: PDB REMARK 900 RELATED ID: 4QU5 RELATED DB: PDB REMARK 900 RELATED ID: 4QU8 RELATED DB: PDB REMARK 900 RELATED ID: 4QU9 RELATED DB: PDB REMARK 900 RELATED ID: 4QUA RELATED DB: PDB REMARK 900 RELATED ID: 4QUB RELATED DB: PDB REMARK 900 RELATED ID: 4QUD RELATED DB: PDB REMARK 900 RELATED ID: 4QUE RELATED DB: PDB REMARK 900 RELATED ID: 4QUG RELATED DB: PDB REMARK 900 RELATED ID: 4QUH RELATED DB: PDB REMARK 900 RELATED ID: 4QUI RELATED DB: PDB REMARK 900 RELATED ID: 4QUJ RELATED DB: PDB REMARK 900 RELATED ID: 4QUL RELATED DB: PDB DBREF 4QTX A 1 277 UNP P42574 CASP3_HUMAN 1 277 DBREF 4QTX E 1 6 PDB 4QTX 4QTX 1 6 SEQADV 4QTX HIS A 266 UNP P42574 VAL 266 ENGINEERED MUTATION SEQRES 1 A 277 MET GLU ASN THR GLU ASN SER VAL ASP SER LYS SER ILE SEQRES 2 A 277 LYS ASN LEU GLU PRO LYS ILE ILE HIS GLY SER GLU SER SEQRES 3 A 277 MET ASP SER GLY ILE SER LEU ASP ASN SER TYR LYS MET SEQRES 4 A 277 ASP TYR PRO GLU MET GLY LEU CYS ILE ILE ILE ASN ASN SEQRES 5 A 277 LYS ASN PHE HIS LYS SER THR GLY MET THR SER ARG SER SEQRES 6 A 277 GLY THR ASP VAL ASP ALA ALA ASN LEU ARG GLU THR PHE SEQRES 7 A 277 ARG ASN LEU LYS TYR GLU VAL ARG ASN LYS ASN ASP LEU SEQRES 8 A 277 THR ARG GLU GLU ILE VAL GLU LEU MET ARG ASP VAL SER SEQRES 9 A 277 LYS GLU ASP HIS SER LYS ARG SER SER PHE VAL CYS VAL SEQRES 10 A 277 LEU LEU SER HIS GLY GLU GLU GLY ILE ILE PHE GLY THR SEQRES 11 A 277 ASN GLY PRO VAL ASP LEU LYS LYS ILE THR ASN PHE PHE SEQRES 12 A 277 ARG GLY ASP ARG CYS ARG SER LEU THR GLY LYS PRO LYS SEQRES 13 A 277 LEU PHE ILE ILE GLN ALA CYS ARG GLY THR GLU LEU ASP SEQRES 14 A 277 CYS GLY ILE GLU THR ASP SER GLY VAL ASP ASP ASP MET SEQRES 15 A 277 ALA CYS HIS LYS ILE PRO VAL GLU ALA ASP PHE LEU TYR SEQRES 16 A 277 ALA TYR SER THR ALA PRO GLY TYR TYR SER TRP ARG ASN SEQRES 17 A 277 SER LYS ASP GLY SER TRP PHE ILE GLN SER LEU CYS ALA SEQRES 18 A 277 MET LEU LYS GLN TYR ALA ASP LYS LEU GLU PHE MET HIS SEQRES 19 A 277 ILE LEU THR ARG VAL ASN ARG LYS VAL ALA THR GLU PHE SEQRES 20 A 277 GLU SER PHE SER PHE ASP ALA THR PHE HIS ALA LYS LYS SEQRES 21 A 277 GLN ILE PRO CYS ILE HIS SER MET LEU THR LYS GLU LEU SEQRES 22 A 277 TYR PHE TYR HIS SEQRES 1 E 6 ACE ASP GLU VAL ASP 0QE HET ACE E 1 3 HET 0QE E 6 1 HET ACT A 801 4 HETNAM ACE ACETYL GROUP HETNAM 0QE CHLOROMETHANE HETNAM ACT ACETATE ION HETSYN 0QE CHLORO METHYL GROUP FORMUL 2 ACE C2 H4 O FORMUL 2 0QE C H3 CL FORMUL 3 ACT C2 H3 O2 1- FORMUL 4 HOH *142(H2 O) HELIX 1 1 HIS A 56 GLY A 60 5 5 HELIX 2 2 GLY A 66 LEU A 81 1 16 HELIX 3 3 THR A 92 LYS A 105 1 14 HELIX 4 4 LEU A 136 PHE A 142 1 7 HELIX 5 5 CYS A 148 THR A 152 5 5 HELIX 6 6 TRP A 214 ALA A 227 1 14 HELIX 7 7 GLU A 231 PHE A 247 1 17 HELIX 8 8 ASP A 253 HIS A 257 5 5 SHEET 1 A 6 GLU A 84 ASN A 89 0 SHEET 2 A 6 GLU A 43 ASN A 51 1 N ASN A 51 O LYS A 88 SHEET 3 A 6 ARG A 111 LEU A 119 1 O VAL A 117 N ILE A 48 SHEET 4 A 6 LYS A 156 GLN A 161 1 O GLN A 161 N LEU A 118 SHEET 5 A 6 PHE A 193 TYR A 197 1 O ALA A 196 N PHE A 158 SHEET 6 A 6 CYS A 264 SER A 267 -1 O HIS A 266 N TYR A 195 SHEET 1 B 3 GLY A 122 GLU A 123 0 SHEET 2 B 3 ILE A 126 GLY A 129 -1 O ILE A 126 N GLU A 123 SHEET 3 B 3 GLY A 132 ASP A 135 -1 O VAL A 134 N ILE A 127 SHEET 1 C 2 GLY A 165 GLU A 167 0 SHEET 2 C 2 GLY A 202 TYR A 203 1 O GLY A 202 N GLU A 167 SHEET 1 D 3 GLY A 212 SER A 213 0 SHEET 2 D 3 TRP A 206 ASN A 208 -1 N ASN A 208 O GLY A 212 SHEET 3 D 3 GLU E 3 VAL E 4 -1 O GLU E 3 N ARG A 207 LINK C ACE E 1 N ASP E 2 1555 1555 1.44 LINK C ASP E 5 C1 0QE E 6 1555 1555 1.51 SITE 1 AC1 2 ASN A 89 HOH A1030 SITE 1 AC2 23 ARG A 64 SER A 120 HIS A 121 GLY A 122 SITE 2 AC2 23 GLN A 161 CYS A 163 TYR A 204 SER A 205 SITE 3 AC2 23 TRP A 206 ARG A 207 ASN A 208 SER A 209 SITE 4 AC2 23 SER A 249 PHE A 250 HOH A 992 HOH E 101 SITE 5 AC2 23 HOH E 102 HOH E 104 HOH E 105 HOH E 106 SITE 6 AC2 23 HOH E 107 HOH E 109 HOH E 111 CRYST1 68.644 84.493 96.487 90.00 90.00 90.00 I 2 2 2 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 0.014568 0.000000 0.000000 0.00000 SCALE2 0.000000 0.011835 0.000000 0.00000 SCALE3 0.000000 0.000000 0.010364 0.00000