HEADER HYDROLASE/HYDROLASE INHIBITOR 02-APR-12 4EHH TITLE ALLOSTERIC MODULATION OF CASPASE-3 THROUGH MUTAGENESIS 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: B; 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; SOURCE 10 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT; SOURCE 11 ORGANISM_TAXID: 32630 KEYWDS CASPASE, APOPTOSIS, ALLOSTERIC INHIBITION, PROTEIN ENSEMBLES, KEYWDS 2 HYDROLASE-HYDROLASE INHIBITOR COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR J.WALTERS,J.L.SCHIPPER,P.D.SWARTZ,C.MATTOS,A.C.CLARK REVDAT 3 15-NOV-17 4EHH 1 SOURCE REMARK REVDAT 2 18-JUL-12 4EHH 1 JRNL REVDAT 1 06-JUN-12 4EHH 0 JRNL AUTH J.WALTERS,J.L.SCHIPPER,P.SWARTZ,C.MATTOS,A.C.CLARK JRNL TITL ALLOSTERIC MODULATION OF CASPASE 3 THROUGH MUTAGENESIS. JRNL REF BIOSCI.REP. V. 32 401 2012 JRNL REFN ISSN 0144-8463 JRNL PMID 22607239 JRNL DOI 10.1042/BSR20120037 REMARK 2 REMARK 2 RESOLUTION. 1.78 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (PHENIX.REFINE: 1.7.3_928) 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) : 1.78 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.01 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.330 REMARK 3 COMPLETENESS FOR RANGE (%) : 93.5 REMARK 3 NUMBER OF REFLECTIONS : 25638 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.240 REMARK 3 R VALUE (WORKING SET) : 0.238 REMARK 3 FREE R VALUE : 0.281 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 6.180 REMARK 3 FREE R VALUE TEST SET COUNT : 1584 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 30.0126 - 3.9560 0.98 2434 160 0.1693 0.1818 REMARK 3 2 3.9560 - 3.1410 0.73 1732 114 0.1835 0.2249 REMARK 3 3 3.1410 - 2.7443 1.00 2345 155 0.1991 0.2407 REMARK 3 4 2.7443 - 2.4935 1.00 2322 153 0.2072 0.2606 REMARK 3 5 2.4935 - 2.3149 0.97 2284 150 0.2455 0.2803 REMARK 3 6 2.3149 - 2.1784 0.89 2071 136 0.3756 0.4944 REMARK 3 7 2.1784 - 2.0694 0.99 2275 149 0.2408 0.3203 REMARK 3 8 2.0694 - 1.9793 0.99 2294 152 0.2541 0.3191 REMARK 3 9 1.9793 - 1.9031 0.95 2194 144 0.4484 0.4995 REMARK 3 10 1.9031 - 1.8375 0.79 1817 120 0.4493 0.4708 REMARK 3 11 1.8375 - 1.7800 1.00 2286 151 0.2648 0.2891 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.10 REMARK 3 SHRINKAGE RADIUS : 0.86 REMARK 3 K_SOL : 0.31 REMARK 3 B_SOL : 27.07 REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.180 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 28.980 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) : -1.74530 REMARK 3 B22 (A**2) : 5.96020 REMARK 3 B33 (A**2) : -4.21490 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 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 2048 REMARK 3 ANGLE : 1.104 2774 REMARK 3 CHIRALITY : 0.077 301 REMARK 3 PLANARITY : 0.004 358 REMARK 3 DIHEDRAL : 13.865 787 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 4EHH COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 09-APR-12. REMARK 100 THE DEPOSITION ID IS D_1000071623. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 12-OCT-07 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-ID 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 : CRYSTAL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARMOSAIC 300 MM CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 33437 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.580 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 85.7 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) : 1.99 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.14 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.6 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 (%): 44.79 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.23 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PROTEIN SOLUTION: 8 MG/ML PROTEIN IN REMARK 280 10 MM TRIS-HCL, PH 8.5, 10 MM DTT, AND 3 MM NAN3. RESERVOIR REMARK 280 SOLUTION: 100 MM SODIUM CITRATE, PH 5.0, 3 MM NAN3, 10 MM DTT, REMARK 280 AND 10% 16% PEG 6000. DROP: 4UL PROTEIN SOLUTION: 4 UL RESERVOIR REMARK 280 SOLUTION, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 291K 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 34.51200 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 42.37250 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 48.13100 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 34.51200 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 42.37250 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 48.13100 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 34.51200 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 42.37250 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 48.13100 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 34.51200 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 42.37250 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 48.13100 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 1180 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 11090 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: 2.0 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 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 6520 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 18010 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -17.0 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 350 BIOMT1 2 -1.000000 0.000000 0.000000 69.02400 REMARK 350 BIOMT2 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 192.52400 REMARK 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 HOH A 540 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 563 LIES ON A SPECIAL POSITION. 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: B 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 SER A 29 REMARK 465 GLY A 30 REMARK 465 ILE A 31 REMARK 465 SER A 32 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 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 LEU A 33 CG CD1 CD2 REMARK 470 LYS A 57 CG CD CE NZ REMARK 470 GLU A 173 CG CD OE1 OE2 REMARK 470 HIS A 185 CG ND1 CD2 CE1 NE2 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 A 584 O HOH A 585 2.07 REMARK 500 O HOH A 479 O HOH A 565 2.16 REMARK 500 O HOH A 619 O HOH A 620 2.17 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS 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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) 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 RES CSSEQI ATM2 DEVIATION REMARK 500 VAL B 4 C ASP B 5 N 0.139 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 ARG A 144 151.70 -49.52 REMARK 500 LYS A 229 -45.22 -133.02 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 CHAIN B OF ACE-ASP-GLU-VAL-ASP REMARK 800 -CHLOROMETHYLKETONE INHIBITOR REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 4EHA RELATED DB: PDB REMARK 900 RELATED ID: 4EHD RELATED DB: PDB REMARK 900 RELATED ID: 4EHF RELATED DB: PDB REMARK 900 RELATED ID: 4EHK RELATED DB: PDB REMARK 900 RELATED ID: 4EHL RELATED DB: PDB REMARK 900 RELATED ID: 4EHN RELATED DB: PDB DBREF 4EHH A 1 277 UNP P42574 CASP3_HUMAN 1 277 DBREF 4EHH B 1 6 PDB 4EHH 4EHH 1 6 SEQADV 4EHH ALA A 124 UNP P42574 GLU 124 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 ALA 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 VAL SER MET LEU THR LYS GLU LEU SEQRES 22 A 277 TYR PHE TYR HIS SEQRES 1 B 6 ACE ASP GLU VAL ASP 0QE HET ACE B 1 3 HET 0QE B 6 2 HETNAM ACE ACETYL GROUP HETNAM 0QE CHLOROMETHANE HETSYN 0QE CHLORO METHYL GROUP FORMUL 2 ACE C2 H4 O FORMUL 2 0QE C H3 CL FORMUL 3 HOH *239(H2 O) HELIX 1 1 HIS A 56 GLY A 60 5 5 HELIX 2 2 GLY A 66 ASN A 80 1 15 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 ILE A 159 N LEU A 118 SHEET 5 A 6 PHE A 193 TYR A 197 1 O LEU A 194 N PHE A 158 SHEET 6 A 6 CYS A 264 SER A 267 -1 O VAL 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 ARG A 207 ASN A 208 0 SHEET 2 C 2 GLY A 212 SER A 213 -1 O GLY A 212 N ASN A 208 LINK C ACE B 1 N ASP B 2 1555 1555 1.42 LINK C ASP B 5 C1 0QE B 6 1555 1555 1.51 SITE 1 AC1 26 SER A 58 ARG A 64 SER A 120 HIS A 121 SITE 2 AC1 26 GLY A 122 GLN A 161 CYS A 163 TYR A 204 SITE 3 AC1 26 SER A 205 TRP A 206 ARG A 207 ASN A 208 SITE 4 AC1 26 SER A 209 TRP A 214 SER A 249 PHE A 250 SITE 5 AC1 26 HOH A 401 HOH A 627 HOH B 101 HOH B 102 SITE 6 AC1 26 HOH B 103 HOH B 104 HOH B 105 HOH B 106 SITE 7 AC1 26 HOH B 110 HOH B 111 CRYST1 69.024 84.745 96.262 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 0.014488 0.000000 0.000000 0.00000 SCALE2 0.000000 0.011800 0.000000 0.00000 SCALE3 0.000000 0.000000 0.010388 0.00000