PDB Short entry for 2C2O
HEADER    HYDROLASE/HYDROLASE INHIBITOR           29-SEP-05   2C2O              
TITLE     CRYSTAL STRUCTURES OF CASPASE-3 IN COMPLEX WITH AZA-PEPTIDE MICHAEL   
TITLE    2 ACCEPTOR INHIBITORS.                                                 
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: CASPASE-3 SUBUNIT P17;                                     
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: ALPHA SUBUNIT, RESIDUES 29-175;                            
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, RESIDUES 176-277;                            
COMPND  11 EC: 3.4.22.-;                                                        
COMPND  12 ENGINEERED: YES;                                                     
COMPND  13 MOL_ID: 3;                                                           
COMPND  14 MOLECULE: AZA-PEPTIDE INHIBITOR (5S, 8R, 11S)-14-{4-[BENZYL(METHYL)  
COMPND  15 AMINO]-4-OXOBUTANOYL}-8-(2-CARBOXYETHYL)-5-(CARBOXYMETHYL)-11-(1-    
COMPND  16 METHYLETHYL)-3,6,9,12-TETRAOXO-1-PHENYL-2-OXA-4,7,10,13,14-          
COMPND  17 PENTAAZAHEXADECAN-16-OIC ACID;                                       
COMPND  18 CHAIN: C;                                                            
COMPND  19 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    APOPTOSIS, HYDROLASE-HYDROLASE INHIBITOR COMPLEX, CYSTEINE-PROTEASE,  
KEYWDS   2 ICE, TETRAMER, THIOL PROTEASE, ZYMOGEN, CPP32, YAMA, AZA-PEPTIDE,    
KEYWDS   3 MICHAEL ACCEPTOR, AZA-ASP, CLAN CD                                   
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    R.GANESAN,S.JELAKOVIC,O.D.EKICI,Z.Z.LI,K.E.JAMES,J.L.ASGIAN,          
AUTHOR   2 A.CAMPBELL,J.MIKOLAJCZYK,G.S.SALVESEN,M.G.GRUETTER,J.C.POWERS        
REVDAT   6   15-NOV-23 2C2O    1       LINK   ATOM                              
REVDAT   5   28-JUN-17 2C2O    1       REMARK                                   
REVDAT   4   08-FEB-17 2C2O    1       SOURCE                                   
REVDAT   3   13-JUL-11 2C2O    1       VERSN                                    
REVDAT   2   24-FEB-09 2C2O    1       VERSN                                    
REVDAT   1   20-SEP-06 2C2O    0                                                
JRNL        AUTH   O.D.EKICI,Z.Z.LI,A.J.CAMPBELL,K.E.JAMES,J.L.ASGIAN,          
JRNL        AUTH 2 J.MIKOLAJCZYK,G.S.SALVESEN,R.GANESAN,S.JELAKOVIC,            
JRNL        AUTH 3 M.G.GRUTTER,J.C.POWERS                                       
JRNL        TITL   DESIGN, SYNTHESIS, AND EVALUATION OF AZA-PEPTIDE MICHAEL     
JRNL        TITL 2 ACCEPTORS AS SELECTIVE AND POTENT INHIBITORS OF CASPASES-2,  
JRNL        TITL 3 -3, -6, -7, -8, -9, AND - 10.                                
JRNL        REF    J.MED.CHEM.                   V.  49  5728 2006              
JRNL        REFN                   ISSN 0022-2623                               
JRNL        PMID   16970398                                                     
JRNL        DOI    10.1021/JM0601405                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.45 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) : 2.45                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 19.55                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 1590597.210                    
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 99.4                           
REMARK   3   NUMBER OF REFLECTIONS             : 10094                          
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) : 0.168                           
REMARK   3   FREE R VALUE                     : 0.215                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 10.300                          
REMARK   3   FREE R VALUE TEST SET COUNT      : 1040                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.007                           
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) : 2.45                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.60                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 96.20                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 1457                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2020                       
REMARK   3   BIN FREE R VALUE                    : 0.2630                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 9.00                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 144                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.022                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2051                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 0                                       
REMARK   3   SOLVENT ATOMS            : 149                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 22.00                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 21.00                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 1.05000                                              
REMARK   3    B22 (A**2) : 4.11000                                              
REMARK   3    B33 (A**2) : -5.15000                                             
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) : 0.21                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.21                            
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) : 0.29                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.30                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.006                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.200                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 22.90                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 0.620                           
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) : 1.200 ; 1.500                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 1.930 ; 2.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 2.160 ; 2.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 3.070 ; 2.500                
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : FLAT MODEL                                           
REMARK   3   KSOL        : 0.36                                                 
REMARK   3   BSOL        : 37.18                                                
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  : WATER.PARAM                                    
REMARK   3  PARAMETER FILE  3  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : PROTEIN.TOP                                    
REMARK   3  TOPOLOGY FILE  2   : NULL                                           
REMARK   3  TOPOLOGY FILE  3   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: MISSING RESIDUE CHAIN A, ASP 175          
REMARK   3  CLONING ARTIFACT ADDITIONAL AMINO ACID CHAIN B, ALA 175             
REMARK   4                                                                      
REMARK   4 2C2O COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 29-SEP-05.                  
REMARK 100 THE DEPOSITION ID IS D_1290025821.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 04-JAN-05                          
REMARK 200  TEMPERATURE           (KELVIN) : 100.0                              
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   : 10094                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.450                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 20.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.2                               
REMARK 200  DATA REDUNDANCY                : 5.800                              
REMARK 200  R MERGE                    (I) : 0.08000                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 19.6000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.45                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.58                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 95.8                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 5.40                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.24000                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 7.000                              
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: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 46.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.28                     
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       33.20100            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       41.74550            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000       48.17800            
REMARK 290   SMTRY1   6 -1.000000  0.000000  0.000000       33.20100            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       41.74550            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       48.17800            
REMARK 290   SMTRY1   7 -1.000000  0.000000  0.000000       33.20100            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       41.74550            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000       48.17800            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000       33.20100            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000       41.74550            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000       48.17800            
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, C                               
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       66.40200            
REMARK 350   BIOMT2   2  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000       96.35600            
REMARK 400                                                                      
REMARK 400 COMPOUND                                                             
REMARK 400 THE INITIAL LIGAND USED IN THE EXPERIMENT WAS CBZ-DEVAD-CH=CH-       
REMARK 400 CON(CH3)BZL, INDICATED AS 18O IN THE PRIMARY PUBLICATION. UPON       
REMARK 400 REACTION, THE DOUBLE BOND OPENED UP AND FORMED A COVALENT BOND       
REMARK 400 BETWEEN ATOM C10 OF RESIDUE MX3 5 OF CHAIN C AND ATOM SG OF CYS 163  
REMARK 400 OF CHAIN A.                                                          
REMARK 400                                                                      
REMARK 400 THE CBZ-ASP-GLU-VAL-AASP-CHCH-CON(CH3)CH2PH IS PEPTIDE-LIKE, A       
REMARK 400 MEMBER OF INHIBITOR CLASS.                                           
REMARK 400                                                                      
REMARK 400  GROUP: 1                                                            
REMARK 400   NAME: CBZ-ASP-GLU-VAL-AASP-CHCH-CON(CH3)CH2PH                      
REMARK 400   CHAIN: C                                                           
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                                             
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     2.18            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
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    VAL C   4   O   -  C   -  N   ANGL. DEV. = -14.0 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    LYS A  82       30.86     75.25                                   
REMARK 500    SER A 120     -175.73   -174.68                                   
REMARK 500    ASP B 192       31.12     72.68                                   
REMARK 500    LYS B 229      -31.82   -141.53                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: MAIN CHAIN PLANARITY                                       
REMARK 500                                                                      
REMARK 500 THE FOLLOWING RESIDUES HAVE A PSEUDO PLANARITY                       
REMARK 500 TORSION ANGLE, C(I) - CA(I) - N(I+1) - O(I), GREATER                 
REMARK 500 10.0 DEGREES. (M=MODEL NUMBER; RES=RESIDUE NAME;                     
REMARK 500 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;                            
REMARK 500 I=INSERTION CODE).                                                   
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        ANGLE                                           
REMARK 500    VAL C   4         18.96                                           
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 C OF AZA-PEPTIDE            
REMARK 800  INHIBITOR (5S,8R,11S)-14-{4-[BENZYL(METHYL)AMINO]-4-OXOBUTANOYL}-   
REMARK 800  8-(2-CARBOXYETHYL)-5-(CARBOXYMETHYL)-11-(1-METHYLETHYL)-3,6,9,12-   
REMARK 800  TETRAOXO-1-PHENYL-2-OXA-4,7,10,13,14-PENTAAZAHEXADECAN-16-OIC       
REMARK 800  ACID                                                                
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: 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: 2CNN   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.                                                          
REMARK 900 RELATED ID: 2J30   RELATED DB: PDB                                   
REMARK 900 THE ROLE OF LOOP BUNDLE HYDROGEN BONDS IN THE MATURATION AND         
REMARK 900 ACTIVITY OF (PRO) CASPASE-3                                          
REMARK 900 RELATED ID: 2J31   RELATED DB: PDB                                   
REMARK 900 THE ROLE OF LOOP BUNDLE HYDROGEN BONDS IN THE MATURATION AND         
REMARK 900 ACTIVITY OF(PRO)CASPASE -3                                           
REMARK 900 RELATED ID: 2J32   RELATED DB: PDB                                   
REMARK 900 THE ROLE OF LOOP BUNDLE HYDROGEN BONDS IN THE MATURATION AND         
REMARK 900 ACTIVITY OF(PRO)CASPASE -3                                           
REMARK 900 RELATED ID: 2J33   RELATED DB: PDB                                   
REMARK 900 THE ROLE OF LOOP BUNDLE HYDROGEN BONDS IN THE MATURATION AND         
REMARK 900 ACTIVITY OF (PRO) CASPASE-3                                          
DBREF  2C2O A   29   175  UNP    P42574   CASP3_HUMAN     29    175             
DBREF  2C2O B  175   175  PDB    2C2O     2C2O           175    175             
DBREF  2C2O B  176   277  UNP    P42574   CASP3_HUMAN    176    277             
DBREF  2C2O C    1     5  PDB    2C2O     2C2O             1      5             
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 C    5  PHQ ASP GLU VAL MX3                                          
HET    PHQ  C   1      10                                                       
HET    MX3  C   5      21                                                       
HETNAM     PHQ BENZYL CHLOROCARBONATE                                           
HETNAM     MX3 (1-{4-[BENZYL(METHYL)AMINO]-4-OXOBUTANOYL}HYDRAZINO)             
HETNAM   2 MX3  ACETIC ACID                                                     
HETSYN     MX3 AZA-ASPARTATE-N-BENZYL-N-METHYL-ACRYLAMIDE                       
FORMUL   3  PHQ    C8 H7 CL O2                                                  
FORMUL   3  MX3    C14 H19 N3 O4                                                
FORMUL   4  HOH   *149(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  PHE A 128 -1  O  ILE A 126   N  GLU A 123           
SHEET    3  AB 3 PRO A 133  ASP A 135 -1  O  VAL A 134   N  ILE A 127           
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         SG  CYS A 163                 C10 MX3 C   5     1555   1555  1.91  
LINK         C1  PHQ C   1                 N   ASP C   2     1555   1555  1.33  
LINK         C   VAL C   4                 N   MX3 C   5     1555   1555  1.31  
SITE     1 AC1 23 ARG A  64  SER A  65  GLU A  84  SER A 120                    
SITE     2 AC1 23 HIS A 121  GLY A 122  GLU A 123  PHE A 128                    
SITE     3 AC1 23 GLN A 161  ALA A 162  CYS A 163  THR A 166                    
SITE     4 AC1 23 ASP B 179  TYR B 204  SER B 205  TRP B 206                    
SITE     5 AC1 23 ARG B 207  ASN B 208  SER B 209  TRP B 214                    
SITE     6 AC1 23 SER B 249  PHE B 250  HOH C2087                               
CRYST1   66.402   83.491   96.356  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      0.015060  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.011977  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.010378        0.00000