HEADER    HYDROLASE/HYDROLASE INHIBITOR           22-OCT-10   3PCX              
TITLE     CASPASE-3 E246A, K242A DOUBLE MUTANT                                  
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: CASPASE-3;                                                 
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: UNP RESIDUES 29-277;                                       
COMPND   5 SYNONYM: CASP-3, APOPAIN, CYSTEINE PROTEASE CPP32, CPP-32, PROTEIN   
COMPND   6 YAMA, SREBP CLEAVAGE ACTIVITY 1, SCA-1, CASPASE-3 SUBUNIT P17,       
COMPND   7 CASPASE-3 SUBUNIT P12;                                               
COMPND   8 EC: 3.4.22.56;                                                       
COMPND   9 ENGINEERED: YES;                                                     
COMPND  10 MUTATION: YES;                                                       
COMPND  11 MOL_ID: 2;                                                           
COMPND  12 MOLECULE: INHIBITOR AC-DEVD-CMK;                                     
COMPND  13 CHAIN: B;                                                            
COMPND  14 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: 469008;                                     
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3) LYS;                             
SOURCE   9 MOL_ID: 2;                                                           
SOURCE  10 SYNTHETIC: YES                                                       
KEYWDS    SALT BRIDGE, HYDROLASE-HYDROLASE INHIBITOR COMPLEX                    
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    J.WALTERS,P.SWARTZ,C.MATTOS,A.C.CLARK                                 
REVDAT   4   30-OCT-24 3PCX    1       SEQADV LINK                              
REVDAT   3   16-NOV-11 3PCX    1       VERSN  HETATM                            
REVDAT   2   23-MAR-11 3PCX    1       JRNL   KEYWDS SITE                       
REVDAT   1   23-FEB-11 3PCX    0                                                
JRNL        AUTH   J.WALTERS,P.SWARTZ,C.MATTOS,A.C.CLARK                        
JRNL        TITL   THERMODYNAMIC, ENZYMATIC AND STRUCTURAL EFFECTS OF REMOVING  
JRNL        TITL 2 A SALT BRIDGE AT THE BASE OF LOOP 4 IN (PRO)CASPASE-3.       
JRNL        REF    ARCH.BIOCHEM.BIOPHYS.         V. 508    31 2011              
JRNL        REFN                   ISSN 0003-9861                               
JRNL        PMID   21266160                                                     
JRNL        DOI    10.1016/J.ABB.2011.01.011                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.50 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS                                                  
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) : 1.50                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 50.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 93.7                           
REMARK   3   NUMBER OF REFLECTIONS             : 42537                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : NULL                            
REMARK   3   FREE R VALUE TEST SET SELECTION  : NULL                            
REMARK   3   R VALUE            (WORKING SET) : 0.196                           
REMARK   3   FREE R VALUE                     : 0.213                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 9.500                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 4299                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : NULL                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : NULL                         
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : NULL                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : NULL                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : NULL                         
REMARK   3   BIN FREE R VALUE                    : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : NULL                         
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : NULL                         
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1988                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 0                                       
REMARK   3   SOLVENT ATOMS            : 317                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 22.22                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -0.58700                                             
REMARK   3    B22 (A**2) : -4.94000                                             
REMARK   3    B33 (A**2) : 5.52700                                              
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) : NULL                            
REMARK   3   ESD FROM SIGMAA              (A) : NULL                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : NULL                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : NULL                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.011                           
REMARK   3   BOND ANGLES            (DEGREES) : NULL                            
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : NULL                            
REMARK   3   IMPROPER ANGLES        (DEGREES) : NULL                            
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : NULL                                      
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : 0.981 ; 1.500                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 1.477 ; 2.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 1.921 ; 2.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 2.841 ; 2.500                
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : NULL                                                 
REMARK   3   KSOL        : NULL                                                 
REMARK   3   BSOL        : 28.80                                                
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  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 3PCX COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 11-NOV-10.                  
REMARK 100 THE DEPOSITION ID IS D_1000062225.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 16-OCT-06                          
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                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : MAR SCANNER 300 MM PLATE           
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : HKL-2000                           
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 47295                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.450                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 1.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 97.1                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : NULL                               
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.45                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.50                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 76.0                               
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  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL                         
REMARK 200 SOFTWARE USED: CNS                                                   
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 49.07                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.42                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: INHIBITOR, AC-DEVD-CMK, RECONSTITUTED    
REMARK 280  IN DMSO, WAS ADDED AT A 5:1 INHIBITOR:PROTEIN RATIO (W/W). FINAL    
REMARK 280  BUFFER CONSISTED OF 10 MM TRIS-HCL, 10 MM DTT, 3 MM NAN3, VAPOR     
REMARK 280  DIFFUSION, HANGING DROP, PH 8.5, TEMPERATURE 300K                   
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       34.46800            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       42.34750            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000       48.10650            
REMARK 290   SMTRY1   6 -1.000000  0.000000  0.000000       34.46800            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       42.34750            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       48.10650            
REMARK 290   SMTRY1   7 -1.000000  0.000000  0.000000       34.46800            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       42.34750            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000       48.10650            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000       34.46800            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000       42.34750            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000       48.10650            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2, 3                                                 
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: 1320 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 12640 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -10.0 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: OCTAMERIC                  
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 17920 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 37920 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -96.0 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       68.93600            
REMARK 350   BIOMT2   2  0.000000 -1.000000  0.000000       84.69500            
REMARK 350   BIOMT3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   3 -1.000000  0.000000  0.000000       68.93600            
REMARK 350   BIOMT2   3  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   3  0.000000  0.000000 -1.000000       96.21300            
REMARK 350   BIOMT1   4  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   4  0.000000 -1.000000  0.000000       84.69500            
REMARK 350   BIOMT3   4  0.000000  0.000000 -1.000000       96.21300            
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 3                                                       
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: OCTAMERIC                  
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 17440 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 38390 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -88.0 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       68.93600            
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 350   BIOMT1   3 -1.000000  0.000000  0.000000       68.93600            
REMARK 350   BIOMT2   3  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   3  0.000000  0.000000 -1.000000       96.21300            
REMARK 350   BIOMT1   4  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   4  0.000000 -1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   4  0.000000  0.000000 -1.000000       96.21300            
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 453  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A 558  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     ASP A   175                                                      
REMARK 465     SER A   176                                                      
REMARK 465     GLY A   177                                                      
REMARK 465     VAL A   178                                                      
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     ASP A 179    CG   OD1  OD2                                       
REMARK 470     HIS A 185    CG   ND1  CD2  CE1  NE2                             
REMARK 470     HIS A 278    CG   ND1  CD2  CE1  NE2                             
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 INHIBITOR AC-DEVD      
REMARK 800  -CMK                                                                
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 3PD0   RELATED DB: PDB                                   
REMARK 900 CASPASE-3 E246A                                                      
REMARK 900 RELATED ID: 3PD1   RELATED DB: PDB                                   
REMARK 900 CASPASE-3 K242A                                                      
DBREF  3PCX A   29   277  UNP    P42574   CASP3_HUMAN     29    277             
DBREF  3PCX B    1     6  PDB    3PCX     3PCX             1      6             
SEQADV 3PCX ALA A  242  UNP  P42574    LYS   242 ENGINEERED MUTATION            
SEQADV 3PCX ALA A  246  UNP  P42574    GLU   246 ENGINEERED MUTATION            
SEQADV 3PCX HIS A  278  UNP  P42574              EXPRESSION TAG                 
SEQRES   1 A  250  SER GLY ILE SER LEU ASP ASN SER TYR LYS MET ASP TYR          
SEQRES   2 A  250  PRO GLU MET GLY LEU CYS ILE ILE ILE ASN ASN LYS ASN          
SEQRES   3 A  250  PHE HIS LYS SER THR GLY MET THR SER ARG SER GLY THR          
SEQRES   4 A  250  ASP VAL ASP ALA ALA ASN LEU ARG GLU THR PHE ARG ASN          
SEQRES   5 A  250  LEU LYS TYR GLU VAL ARG ASN LYS ASN ASP LEU THR ARG          
SEQRES   6 A  250  GLU GLU ILE VAL GLU LEU MET ARG ASP VAL SER LYS GLU          
SEQRES   7 A  250  ASP HIS SER LYS ARG SER SER PHE VAL CYS VAL LEU LEU          
SEQRES   8 A  250  SER HIS GLY GLU GLU GLY ILE ILE PHE GLY THR ASN GLY          
SEQRES   9 A  250  PRO VAL ASP LEU LYS LYS ILE THR ASN PHE PHE ARG GLY          
SEQRES  10 A  250  ASP ARG CYS ARG SER LEU THR GLY LYS PRO LYS LEU PHE          
SEQRES  11 A  250  ILE ILE GLN ALA CYS ARG GLY THR GLU LEU ASP CYS GLY          
SEQRES  12 A  250  ILE GLU THR ASP SER GLY VAL ASP ASP ASP MET ALA CYS          
SEQRES  13 A  250  HIS LYS ILE PRO VAL GLU ALA ASP PHE LEU TYR ALA TYR          
SEQRES  14 A  250  SER THR ALA PRO GLY TYR TYR SER TRP ARG ASN SER LYS          
SEQRES  15 A  250  ASP GLY SER TRP PHE ILE GLN SER LEU CYS ALA MET LEU          
SEQRES  16 A  250  LYS GLN TYR ALA ASP LYS LEU GLU PHE MET HIS ILE LEU          
SEQRES  17 A  250  THR ARG VAL ASN ARG ALA VAL ALA THR ALA PHE GLU SER          
SEQRES  18 A  250  PHE SER PHE ASP ALA THR PHE HIS ALA LYS LYS GLN ILE          
SEQRES  19 A  250  PRO CYS ILE VAL SER MET LEU THR LYS GLU LEU TYR PHE          
SEQRES  20 A  250  TYR HIS 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   *317(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    
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  LEU A 157   N  PHE A 114           
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  GLY A 132   N  GLY A 129           
SHEET    1   C 3 GLY A 212  SER A 213  0                                        
SHEET    2   C 3 TRP A 206  ASN A 208 -1  N  ASN A 208   O  GLY A 212           
SHEET    3   C 3 GLU B   3  VAL B   4 -1  O  GLU B   3   N  ARG A 207           
LINK         C   ACE B   1                 N   ASP B   2     1555   1555  1.33  
LINK         C   ASP B   5                 C1  0QE B   6     1555   1555  1.53  
SITE     1 AC1 31 SER A  58  ARG A  64  HIS A 121  GLY A 122                    
SITE     2 AC1 31 GLN A 161  CYS A 163  TYR A 204  SER A 205                    
SITE     3 AC1 31 TRP A 206  ARG A 207  ASN A 208  SER A 209                    
SITE     4 AC1 31 TRP A 214  SER A 249  PHE A 250  HOH A 324                    
SITE     5 AC1 31 HOH A 371  HOH A 386  HOH A 393  HOH A 433                    
SITE     6 AC1 31 HOH A 513  HOH A 551  HOH B 300  HOH B 301                    
SITE     7 AC1 31 HOH B 302  HOH B 304  HOH B 306  HOH B 307                    
SITE     8 AC1 31 HOH B 308  HOH B 309  HOH B 310                               
CRYST1   68.936   84.695   96.213  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      0.014506  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.011807  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.010394        0.00000