PDB Short entry for 2CNN HEADER HYDROLASE/HYDROLASE INHIBITOR 22-MAY-06 2CNN TITLE CRYSTAL STRUCTURES OF CASPASE-3 IN COMPLEX WITH AZA-PEPTIDE EPOXIDE TITLE 2 INHIBITORS. COMPND MOL_ID: 1; COMPND 2 MOLECULE: CASPASE-3 SUBUNIT P17; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: ALPHA SUBUNIT; COMPND 5 EC: 3.4.22.-; COMPND 6 ENGINEERED: YES; COMPND 7 MOL_ID: 2; COMPND 8 MOLECULE: CASPASE-3 SUBUNIT P12; COMPND 9 CHAIN: B; COMPND 10 FRAGMENT: BETA SUBUNIT; COMPND 11 ENGINEERED: YES; COMPND 12 MOL_ID: 3; COMPND 13 MOLECULE: AZA-PEPTIDE EXPOXIDE; COMPND 14 CHAIN: I; COMPND 15 FRAGMENT: CBZ-ILE-GLU-THR-AASP-EP-CO-ALA-NH-CH2-PH; COMPND 16 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21(DE3) (STRATAGENE); SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET11D (NOVAGEN); SOURCE 10 MOL_ID: 2; SOURCE 11 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 12 ORGANISM_COMMON: HUMAN; SOURCE 13 ORGANISM_TAXID: 9606; SOURCE 14 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 15 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 16 MOL_ID: 3; SOURCE 17 SYNTHETIC: YES; SOURCE 18 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT; SOURCE 19 ORGANISM_TAXID: 32630 KEYWDS THIOL PROTEASE, PHOSPHORYLATION, CYSTEINE-PROTEASE, PROTEASE- KEYWDS 2 INHIBITOR COMPLEX, PROTEASE, EPOXIDES, TETRAMER, APOPTOSIS, AZA- KEYWDS 3 PEPTIDE, EPOXYSUCCINYL, ICE, YAMA, CPP32, CLAN CD, AZA-ASP, ZYMOGEN, KEYWDS 4 HYDROLASE-HYDROLASE INHIBITOR COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR R.GANESAN,S.JELAKOVIC,A.J.CAMPBELL,Z.Z.LI,J.L.ASGIAN,J.C.POWERS, AUTHOR 2 M.G.GRUTTER REVDAT 5 28-JUN-17 2CNN 1 REMARK REVDAT 4 08-FEB-17 2CNN 1 SOURCE REVDAT 3 13-JUL-11 2CNN 1 VERSN REVDAT 2 24-FEB-09 2CNN 1 VERSN REVDAT 1 22-MAY-07 2CNN 0 JRNL AUTH R.GANESAN,S.JELAKOVIC,A.J.CAMPBELL,Z.Z.LI,J.L.ASGIAN, JRNL AUTH 2 J.C.POWERS M,G.GRUETTER JRNL TITL EXPLORING THE S4 AND S1 PRIME SUBSITE SPECIFICITIES IN JRNL TITL 2 CASPASE-3 WITH AZA-PEPTIDE EPOXIDE INHIBITORS JRNL REF BIOCHEMISTRY V. 45 9059 2006 JRNL REFN ISSN 0006-2960 JRNL PMID 16866351 JRNL DOI 10.1021/BI060364P REMARK 2 REMARK 2 RESOLUTION. 1.70 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.1 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) : 1.70 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 19.90 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 1705479.480 REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 99.2 REMARK 3 NUMBER OF REFLECTIONS : 30129 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) : 0.183 REMARK 3 FREE R VALUE : 0.206 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.000 REMARK 3 FREE R VALUE TEST SET COUNT : 3017 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.004 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.67 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.77 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 62.50 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 2988 REMARK 3 BIN R VALUE (WORKING SET) : 0.2730 REMARK 3 BIN FREE R VALUE : 0.3180 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 9.70 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 320 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.018 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2056 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 348 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 18.00 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 20.40 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.90000 REMARK 3 B22 (A**2) : 1.83000 REMARK 3 B33 (A**2) : -2.73000 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 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.17 REMARK 3 ESD FROM SIGMAA (A) : 0.12 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.21 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.16 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.005 REMARK 3 BOND ANGLES (DEGREES) : 1.300 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 23.40 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.660 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.110 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.690 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.100 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 3.030 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.36 REMARK 3 BSOL : 67.54 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 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: CLONING ARTIFACT. ADDITIONAL AMINO ACID REMARK 3 CHAIN B, ALA 175 REMARK 4 REMARK 4 2CNN COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 22-MAY-06. REMARK 100 THE DEPOSITION ID IS D_1290028849. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 30-SEP-04 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 4.75 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : ENRAF-NONIUS FR591 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 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 : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 30129 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.690 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 4.300 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.8 REMARK 200 DATA REDUNDANCY : 4.600 REMARK 200 R MERGE (I) : 0.07000 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 19.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.69 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.78 REMARK 200 COMPLETENESS FOR SHELL (%) : 85.5 REMARK 200 DATA REDUNDANCY IN SHELL : 4.30 REMARK 200 R MERGE FOR SHELL (I) : 0.28000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 4.300 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: OTHER REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: NONE REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 45.36 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.34 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG6000, 100 MM SODIUM CITRATE PH 4.75 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 33.95650 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 41.87150 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 48.10550 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 33.95650 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 41.87150 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 48.10550 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 33.95650 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 41.87150 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 48.10550 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 33.95650 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 41.87150 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 48.10550 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: HEXAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: HEXAMERIC REMARK 350 SOFTWARE USED: PQS REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, I 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 67.91300 REMARK 350 BIOMT2 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 96.21100 REMARK 400 REMARK 400 COMPOUND REMARK 400 THE STARTING INHIBITOR COMPOUND AZA-PEPTIDE EPOXIDE CBZ-LET-AZAASP- REMARK 400 EPCO-ALA-NHCH2PH BINDS TO ACTIVE SITE CYSTEINE CYS 163 RESULTING IN REMARK 400 A COVALENT THIOETHER BOND AND OXIRANE RING OPENING. THE INHIBITOR REMARK 400 IS INVOLVED IN THE ACTIVATION CASCADE OF CASPASES RESPONSIBLE FOR REMARK 400 APOPTOSIS EXECUTION. REMARK 400 REMARK 400 THE CBZ-ILE-GLU-THR-AZAASP-EP-CO-ALA-NH-CH2-PH IS PEPTIDE-LIKE, A REMARK 400 MEMBER OF ENZYME INHIBITOR CLASS. REMARK 400 REMARK 400 GROUP: 1 REMARK 400 NAME: CBZ-ILE-GLU-THR-AZAASP-EP-CO-ALA-NH-CH2-PH REMARK 400 CHAIN: I REMARK 400 COMPONENT_1: PEPTIDE LIKE POLYMER REMARK 400 DESCRIPTION: NULL 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 ASP A 175 CA C O CB CG OD1 OD2 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 O2 PHQ I 901 N ILE I 902 1.65 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 OE2 GLU A 123 OE2 GLU A 123 2665 1.97 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 ASP A 34 62.35 -113.65 REMARK 500 SER A 120 -173.97 -174.04 REMARK 500 ARG A 144 151.31 -49.81 REMARK 500 SER B 209 -8.38 -57.83 REMARK 500 LYS B 229 -36.51 -134.40 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 525 REMARK 525 M RES CSSEQI REMARK 525 HOH B2002 DISTANCE = 6.08 ANGSTROMS REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR CHAIN I OF AZA-PEPTIDE EXPOXIDE REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1CP3 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE COMPLEX OF APOPAIN WITH THE TETRAPEPTIDE REMARK 900 INHIBITOR ACE-DVAD- FMC REMARK 900 RELATED ID: 1GFW RELATED DB: PDB REMARK 900 THE 2.8 ANGSTROM CRYSTAL STRUCTURE OF CASPASE-3 (APOPAIN ORCPP32)IN REMARK 900 COMPLEX WITH AN ISATIN SULFONAMIDE INHIBITOR. REMARK 900 RELATED ID: 1I3O RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE COMPLEX OF XIAP- BIR2 AND CASPASE 3 REMARK 900 RELATED ID: 1NME RELATED DB: PDB REMARK 900 STRUCTURE OF CASP-3 WITH TETHERED SALICYLATE REMARK 900 RELATED ID: 1NMQ RELATED DB: PDB REMARK 900 EXTENDEND TETHERING: IN SITU ASSEMBLY OF INHIBITORS REMARK 900 RELATED ID: 1NMS RELATED DB: PDB REMARK 900 CASPASE-3 TETHERED TO IRREVERSIBLE INHIBITOR REMARK 900 RELATED ID: 1PAU RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE COMPLEX OF APOPAIN WITH THE TETRAPEPTIDE REMARK 900 ALDEHYDE INHIBITOR AC -DEVD-CHO REMARK 900 RELATED ID: 1QX3 RELATED DB: PDB REMARK 900 CONFORMATIONAL RESTRICTIONS IN THE ACTIVE SITE OFUNLIGANDED HUMAN REMARK 900 CASPASE-3 REMARK 900 RELATED ID: 1RE1 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF CASPASE-3 WITH A NICOTINIC ACIDALDEHYDE REMARK 900 INHIBITOR REMARK 900 RELATED ID: 1RHJ RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE COMPLEX OF CASPASE -3 WITH APRYAZINONE REMARK 900 INHIBITOR REMARK 900 RELATED ID: 1RHK RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE COMPLEX OF CASPASE -3 WITH A PHENYL-PROPYL- REMARK 900 KETONE INHIBITOR REMARK 900 RELATED ID: 1RHM RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE COMPLEX OF CASPASE -3 WITH ANICOTINIC ACID REMARK 900 ALDEHYDE INHIBITOR REMARK 900 RELATED ID: 1RHQ RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE COMPLEX OF CASPASE -3 WITH REMARK 900 ABROMOMETHOXYPHENYL INHIBITOR REMARK 900 RELATED ID: 1RHR RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE COMPLEX OF CASPASE -3 WITH ACINNAMIC ACID REMARK 900 METHYL ESTER INHIBITOR REMARK 900 RELATED ID: 1RHU RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE COMPLEX OF CASPASE -3 WITH A 5,6, REMARK 900 7TRICYCLIC PEPTIDOMIMETIC INHIBITOR REMARK 900 RELATED ID: 2C1E RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURES OF CASPASE-3 IN COMPLEX WITH AZA-PEPTIDE MICHAEL REMARK 900 ACCEPTOR INHIBITORS. REMARK 900 RELATED ID: 2C2K RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURES OF CASPASE-3 IN COMPLEX WITH AZA-PEPTIDE MICHAEL REMARK 900 ACCEPTOR INHIBITORS. REMARK 900 RELATED ID: 2C2M RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURES OF CASPASE-3 IN COMPLEX WITH AZA-PEPTIDE MICHAEL REMARK 900 ACCEPTOR INHIBITORS. REMARK 900 RELATED ID: 2C2O RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURES OF CASPASE-3 IN COMPLEX WITH AZA-PEPTIDE MICHAEL REMARK 900 ACCEPTOR INHIBITORS. REMARK 900 RELATED ID: 2CDR RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURES OF CASPASE-3 IN COMPLEX WITH AZA-PEPTIDE EPOXIDE REMARK 900 INHIBITORS. REMARK 900 RELATED ID: 2CJX RELATED DB: PDB REMARK 900 EXTENDED SUBSTRATE RECOGNITION IN CASPASE-3 REVEALED BY HIGH REMARK 900 RESOLUTION X-RAY STRUCTURE ANALYSIS REMARK 900 RELATED ID: 2CJY RELATED DB: PDB REMARK 900 EXTENDED SUBSTRATE RECOGNITION IN CASPASE-3 REVEALED BY HIGH REMARK 900 RESOLUTION X-RAY STRUCTURE ANALYSIS REMARK 900 RELATED ID: 2CNK RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURES OF CASPASE-3 IN COMPLEX WITH AZA-PEPTIDE EPOXIDE REMARK 900 INHIBITORS. REMARK 900 RELATED ID: 2CNL RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURES OF CASPASE-3 IN COMPLEX WITH AZA-PEPTIDE EPOXIDE REMARK 900 INHIBITORS. REMARK 900 RELATED ID: 2CNO RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURES OF CASPASE-3 IN COMPLEX WITH AZA-PEPTIDE EPOXIDE REMARK 900 INHIBITORS DBREF 2CNN A 29 175 UNP P42574 CASP3_HUMAN 29 175 DBREF 2CNN B 175 175 PDB 2CNN 2CNN 175 175 DBREF 2CNN B 176 277 UNP P42574 CASP3_HUMAN 176 277 DBREF 2CNN I 901 905 PDB 2CNN 2CNN 901 905 SEQRES 1 A 147 SER GLY ILE SER LEU ASP ASN SER TYR LYS MET ASP TYR SEQRES 2 A 147 PRO GLU MET GLY LEU CYS ILE ILE ILE ASN ASN LYS ASN SEQRES 3 A 147 PHE HIS LYS SER THR GLY MET THR SER ARG SER GLY THR SEQRES 4 A 147 ASP VAL ASP ALA ALA ASN LEU ARG GLU THR PHE ARG ASN SEQRES 5 A 147 LEU LYS TYR GLU VAL ARG ASN LYS ASN ASP LEU THR ARG SEQRES 6 A 147 GLU GLU ILE VAL GLU LEU MET ARG ASP VAL SER LYS GLU SEQRES 7 A 147 ASP HIS SER LYS ARG SER SER PHE VAL CYS VAL LEU LEU SEQRES 8 A 147 SER HIS GLY GLU GLU GLY ILE ILE PHE GLY THR ASN GLY SEQRES 9 A 147 PRO VAL ASP LEU LYS LYS ILE THR ASN PHE PHE ARG GLY SEQRES 10 A 147 ASP ARG CYS ARG SER LEU THR GLY LYS PRO LYS LEU PHE SEQRES 11 A 147 ILE ILE GLN ALA CYS ARG GLY THR GLU LEU ASP CYS GLY SEQRES 12 A 147 ILE GLU THR ASP SEQRES 1 B 103 ALA SER GLY VAL ASP ASP ASP MET ALA CYS HIS LYS ILE SEQRES 2 B 103 PRO VAL GLU ALA ASP PHE LEU TYR ALA TYR SER THR ALA SEQRES 3 B 103 PRO GLY TYR TYR SER TRP ARG ASN SER LYS ASP GLY SER SEQRES 4 B 103 TRP PHE ILE GLN SER LEU CYS ALA MET LEU LYS GLN TYR SEQRES 5 B 103 ALA ASP LYS LEU GLU PHE MET HIS ILE LEU THR ARG VAL SEQRES 6 B 103 ASN ARG LYS VAL ALA THR GLU PHE GLU SER PHE SER PHE SEQRES 7 B 103 ASP ALA THR PHE HIS ALA LYS LYS GLN ILE PRO CYS ILE SEQRES 8 B 103 VAL SER MET LEU THR LYS GLU LEU TYR PHE TYR HIS SEQRES 1 I 5 PHQ ILE GLU THR MY5 HET PHQ I 901 10 HET MY5 I 905 26 HETNAM PHQ BENZYL CHLOROCARBONATE HETNAM MY5 {1-[(3S)-4-{[(1S)-2-(BENZYLAMINO)-1-METHYL-2- HETNAM 2 MY5 OXOETHYL]AMINO}-3-HYDROXY-4- HETNAM 3 MY5 OXOBUTANOYL]HYDRAZINO}ACETIC ACID FORMUL 3 PHQ C8 H7 CL O2 FORMUL 3 MY5 C16 H22 N4 O6 FORMUL 4 HOH *348(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 B 214 ALA B 227 1 14 HELIX 7 7 GLU B 231 PHE B 247 1 17 HELIX 8 8 ASP B 253 HIS B 257 5 5 SHEET 1 AA 6 GLU A 84 ASN A 89 0 SHEET 2 AA 6 GLU A 43 ASN A 51 1 O GLY A 45 N GLU A 84 SHEET 3 AA 6 ARG A 111 LEU A 119 1 N SER A 112 O GLU A 43 SHEET 4 AA 6 LYS A 156 GLN A 161 1 O LEU A 157 N CYS A 116 SHEET 5 AA 6 PHE B 193 TYR B 197 1 O LEU B 194 N PHE A 158 SHEET 6 AA 6 CYS B 264 SER B 267 -1 O CYS B 264 N TYR B 197 SHEET 1 AB 3 GLY A 122 GLU A 123 0 SHEET 2 AB 3 ILE A 126 GLY A 129 -1 O ILE A 126 N GLU A 123 SHEET 3 AB 3 GLY A 132 ASP A 135 -1 O GLY A 132 N GLY A 129 SHEET 1 BA 2 ARG B 207 ASN B 208 0 SHEET 2 BA 2 GLY B 212 SER B 213 -1 O GLY B 212 N ASN B 208 LINK C1 PHQ I 901 N ILE I 902 1555 1555 1.32 LINK SG CYS A 163 C9 MY5 I 905 1555 1555 1.82 LINK C THR I 904 N2 MY5 I 905 1555 1555 1.30 SITE 1 AC1 27 THR A 59 MET A 61 SER A 63 ARG A 64 SITE 2 AC1 27 SER A 65 GLU A 84 SER A 120 HIS A 121 SITE 3 AC1 27 GLY A 122 PHE A 128 GLN A 161 ALA A 162 SITE 4 AC1 27 CYS A 163 THR A 166 TYR B 204 SER B 205 SITE 5 AC1 27 TRP B 206 ARG B 207 TRP B 214 PHE B 250 SITE 6 AC1 27 PHE B 252 HOH I2001 HOH I2002 HOH I2003 SITE 7 AC1 27 HOH I2004 HOH I2005 HOH I2006 CRYST1 67.913 83.743 96.211 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 0.014725 0.000000 0.000000 0.00000 SCALE2 0.000000 0.011941 0.000000 0.00000 SCALE3 0.000000 0.000000 0.010394 0.00000