PDB Short entry for 5C3K
HEADER    APOPTOSIS                               17-JUN-15   5C3K              
TITLE     FRAGMENT-BASED DRUG DISCOVERY TARGETING INHIBITOR OF APOPTOSIS        
TITLE    2 PROTEINS: COMPOUND 4                                                 
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: E3 UBIQUITIN-PROTEIN LIGASE XIAP;                          
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: RESIDUES 249-354;                                          
COMPND   5 SYNONYM: BACULOVIRAL IAP REPEAT-CONTAINING PROTEIN 4,IAP-LIKE        
COMPND   6 PROTEIN,HILP,INHIBITOR OF APOPTOSIS PROTEIN 3,HIAP3,X-LINKED         
COMPND   7 INHIBITOR OF APOPTOSIS PROTEIN,X-LINKED IAP;                         
COMPND   8 EC: 6.3.2.-;                                                         
COMPND   9 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: XIAP, API3, BIRC4, IAP3;                                       
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3);                       
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   8 EXPRESSION_SYSTEM_PLASMID: PET 28B                                   
KEYWDS    LIGASE, APOPTOSIS                                                     
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    G.CHESSARI,I.M.BUCK,J.E.H.DAY,P.J.DAY,A.IQBAL,C.N.JOHNSON,E.J.LEWIS,  
AUTHOR   2 V.MARTINS,D.MILLER,M.READER,D.C.REES,S.J.RICH,E.TAMANINI,M.VITORINO, 
AUTHOR   3 G.A.WARD,P.A.WILLIAMS,G.WILLIAMS,N.E.WILSHER,A.J.-A.WOOLFORD         
REVDAT   4   10-JAN-24 5C3K    1       REMARK                                   
REVDAT   3   29-NOV-17 5C3K    1       REMARK                                   
REVDAT   2   09-SEP-15 5C3K    1       JRNL                                     
REVDAT   1   12-AUG-15 5C3K    0                                                
JRNL        AUTH   G.CHESSARI,I.M.BUCK,J.E.DAY,P.J.DAY,A.IQBAL,C.N.JOHNSON,     
JRNL        AUTH 2 E.J.LEWIS,V.MARTINS,D.MILLER,M.READER,D.C.REES,S.J.RICH,     
JRNL        AUTH 3 E.TAMANINI,M.VITORINO,G.A.WARD,P.A.WILLIAMS,G.WILLIAMS,      
JRNL        AUTH 4 N.E.WILSHER,A.J.WOOLFORD                                     
JRNL        TITL   FRAGMENT-BASED DRUG DISCOVERY TARGETING INHIBITOR OF         
JRNL        TITL 2 APOPTOSIS PROTEINS: DISCOVERY OF A NON-ALANINE LEAD SERIES   
JRNL        TITL 3 WITH DUAL ACTIVITY AGAINST CIAP1 AND XIAP.                   
JRNL        REF    J.MED.CHEM.                   V.  58  6574 2015              
JRNL        REFN                   ISSN 0022-2623                               
JRNL        PMID   26218264                                                     
JRNL        DOI    10.1021/ACS.JMEDCHEM.5B00706                                 
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.02 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.8.0107                                      
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.02                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 59.18                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 97.7                           
REMARK   3   NUMBER OF REFLECTIONS             : 17321                          
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 + TEST SET) : 0.219                           
REMARK   3   R VALUE            (WORKING SET) : 0.217                           
REMARK   3   FREE R VALUE                     : 0.260                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.300                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 962                             
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 20                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.02                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.07                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 1261                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 99.03                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3310                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 72                           
REMARK   3   BIN FREE R VALUE                    : 0.3760                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 866                                     
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 14                                      
REMARK   3   SOLVENT ATOMS            : 169                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 41.12                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -0.26000                                             
REMARK   3    B22 (A**2) : -0.26000                                             
REMARK   3    B33 (A**2) : 0.52000                                              
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 OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.127         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.132         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.103         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 6.617         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.943                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.919                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):   907 ; 0.011 ; 0.019       
REMARK   3   BOND LENGTHS OTHERS               (A):    13 ; 0.006 ; 0.036       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  1230 ; 1.427 ; 1.923       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):    26 ; 0.586 ; 1.531       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   105 ; 5.865 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):    49 ;37.546 ;23.510       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   142 ;17.843 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):     4 ;14.511 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   119 ; 0.117 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):   728 ; 0.001 ; 0.022       
REMARK   3   GENERAL PLANES OTHERS             (A):     6 ; 0.001 ; 0.107       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND OTHERS            (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.     COUNT   RMS    WEIGHT      
REMARK   3   MAIN-CHAIN BOND REFINED ATOMS  (A**2):   423 ; 2.163 ; 5.332       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):   482 ; 3.146 ; 6.132       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):   483 ; 3.143 ; 6.136       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):   301 ; 7.380 ;12.717       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):   302 ; 7.370 ;12.728       
REMARK   3                                                                      
REMARK   3 ANISOTROPIC THERMAL FACTOR RESTRAINTS.    COUNT   RMS   WEIGHT       
REMARK   3   RIGID-BOND RESTRAINTS          (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS STATISTICS                                           
REMARK   3   NUMBER OF DIFFERENT NCS GROUPS : NULL                              
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : 1                                          
REMARK   3                                                                      
REMARK   3   TLS GROUP : 1                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 1                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   A   249        A   354                          
REMARK   3    ORIGIN FOR THE GROUP (A): -17.4201 -28.8005  -3.9931              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.0187 T22:   0.0667                                     
REMARK   3      T33:   0.0258 T12:  -0.0029                                     
REMARK   3      T13:  -0.0004 T23:  -0.0342                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   5.5400 L22:   2.6938                                     
REMARK   3      L33:   3.5788 L12:  -0.3251                                     
REMARK   3      L13:   1.2618 L23:  -0.3896                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.0810 S12:  -0.4023 S13:   0.0480                       
REMARK   3      S21:   0.1777 S22:  -0.0320 S23:   0.0659                       
REMARK   3      S31:  -0.0979 S32:  -0.0104 S33:  -0.0490                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : BABINET MODEL WITH MASK                              
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.20                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN USED IF PRESENT IN    
REMARK   3  THE INPUT                                                           
REMARK   4                                                                      
REMARK   4 5C3K COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 17-JUN-15.                  
REMARK 100 THE DEPOSITION ID IS D_1000210971.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 15-SEP-09                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : NULL                               
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : ROTATING ANODE                     
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : RIGAKU FR-E SUPERBRIGHT            
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.54                               
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : RIGAKU SATURN 70                   
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : D*TREK                             
REMARK 200  DATA SCALING SOFTWARE          : D*TREK                             
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 18705                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.010                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 59.180                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 2.200                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.0                               
REMARK 200  DATA REDUNDANCY                : 3.000                              
REMARK 200  R MERGE                    (I) : 0.08200                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 8.5000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.01                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.08                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 99.5                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.34800                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.200                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: PHASER                                                
REMARK 200 STARTING MODEL: 2OPY                                                 
REMARK 200                                                                      
REMARK 200 REMARK: BLOCKS                                                       
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 47.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.32                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1M HEPES-NAOH 7.5, 3.9M NACL, PH       
REMARK 280  7.5, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 277K                
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 41 2 2                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z+1/2                                             
REMARK 290       3555   -Y,X,Z+1/4                                              
REMARK 290       4555   Y,-X,Z+3/4                                              
REMARK 290       5555   -X,Y,-Z                                                 
REMARK 290       6555   X,-Y,-Z+1/2                                             
REMARK 290       7555   Y,X,-Z+3/4                                              
REMARK 290       8555   -Y,-X,-Z+1/4                                            
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       52.55200            
REMARK 290   SMTRY1   3  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       26.27600            
REMARK 290   SMTRY1   4  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000       78.82800            
REMARK 290   SMTRY1   5 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   6  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000       52.55200            
REMARK 290   SMTRY1   7  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   7  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000       78.82800            
REMARK 290   SMTRY1   8  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   8 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000       26.27600            
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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 0 ANGSTROM**2                             
REMARK 350 SURFACE AREA OF THE COMPLEX: 6620 ANGSTROM**2                        
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: 0.0 KCAL/MOL                          
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
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 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 520  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A 548  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A 584  LIES ON A SPECIAL POSITION.                          
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     GLY A   245                                                      
REMARK 465     SER A   246                                                      
REMARK 465     HIS A   247                                                      
REMARK 465     MET A   248                                                      
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   O    HOH A   549     O    HOH A   549     5455     1.43            
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    GLU A 337      -56.44    118.19                                   
REMARK 500    GLU A 350       40.83    -76.06                                   
REMARK 500    CYS A 351      -35.54   -159.63                                   
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 A 662        DISTANCE =  5.84 ANGSTROMS                       
REMARK 525    HOH A 663        DISTANCE =  5.97 ANGSTROMS                       
REMARK 525    HOH A 664        DISTANCE =  5.98 ANGSTROMS                       
REMARK 525    HOH A 665        DISTANCE =  5.99 ANGSTROMS                       
REMARK 525    HOH A 666        DISTANCE =  6.94 ANGSTROMS                       
REMARK 525    HOH A 667        DISTANCE =  7.10 ANGSTROMS                       
REMARK 525    HOH A 668        DISTANCE =  7.36 ANGSTROMS                       
REMARK 525    HOH A 669        DISTANCE =  7.76 ANGSTROMS                       
REMARK 620                                                                      
REMARK 620 METAL COORDINATION                                                   
REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN A 401  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS A 300   SG                                                     
REMARK 620 2 CYS A 303   SG  108.2                                              
REMARK 620 3 HIS A 320   NE2  97.6 116.5                                        
REMARK 620 4 CYS A 327   SG  119.2 109.6 105.8                                  
REMARK 620 N                    1     2     3                                   
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue ZN A 401                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue 4XF A 402                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 5C0K   RELATED DB: PDB                                   
REMARK 900 SAME PROTEIN BUT WITH DIFFERENT LIGANDS.                             
REMARK 900 RELATED ID: 5C0L   RELATED DB: PDB                                   
REMARK 900 SAME PROTEIN BUT WITH DIFFERENT LIGANDS.                             
REMARK 900 RELATED ID: 5C3H   RELATED DB: PDB                                   
REMARK 900 SAME PROTEIN BUT WITH DIFFERENT LIGANDS.                             
DBREF  5C3K A  249   354  UNP    P98170   XIAP_HUMAN     249    354             
SEQADV 5C3K GLY A  245  UNP  P98170              EXPRESSION TAG                 
SEQADV 5C3K SER A  246  UNP  P98170              EXPRESSION TAG                 
SEQADV 5C3K HIS A  247  UNP  P98170              EXPRESSION TAG                 
SEQADV 5C3K MET A  248  UNP  P98170              EXPRESSION TAG                 
SEQRES   1 A  110  GLY SER HIS MET ASN PHE PRO ASN SER THR ASN LEU PRO          
SEQRES   2 A  110  ARG ASN PRO SER MET ALA ASP TYR GLU ALA ARG ILE PHE          
SEQRES   3 A  110  THR PHE GLY THR TRP ILE TYR SER VAL ASN LYS GLU GLN          
SEQRES   4 A  110  LEU ALA ARG ALA GLY PHE TYR ALA LEU GLY GLU GLY ASP          
SEQRES   5 A  110  LYS VAL LYS CYS PHE HIS CYS GLY GLY GLY LEU THR ASP          
SEQRES   6 A  110  TRP LYS PRO SER GLU ASP PRO TRP GLU GLN HIS ALA LYS          
SEQRES   7 A  110  TRP TYR PRO GLY CYS LYS TYR LEU LEU GLU GLN LYS GLY          
SEQRES   8 A  110  GLN GLU TYR ILE ASN ASN ILE HIS LEU THR HIS SER LEU          
SEQRES   9 A  110  GLU GLU CYS LEU VAL ARG                                      
HET     ZN  A 401       1                                                       
HET    4XF  A 402      26                                                       
HETNAM      ZN ZINC ION                                                         
HETNAM     4XF (2S)-1-[(6-AMINOPYRIDIN-2-YL)AMINO]-1-OXOPROPAN-2-               
HETNAM   2 4XF  AMINIUM                                                         
FORMUL   2   ZN    ZN 2+                                                        
FORMUL   3  4XF    C8 H13 N4 O 1+                                               
FORMUL   4  HOH   *169(H2 O)                                                    
HELIX    1 AA1 ASN A  259  ALA A  263  5                                   5    
HELIX    2 AA2 ASP A  264  THR A  271  1                                   8    
HELIX    3 AA3 ASN A  280  ALA A  287  1                                   8    
HELIX    4 AA4 ASP A  315  TYR A  324  1                                  10    
HELIX    5 AA5 CYS A  327  GLY A  335  1                                   9    
HELIX    6 AA6 GLU A  337  VAL A  353  1                                  17    
SHEET    1 AA1 3 PHE A 289  ALA A 291  0                                        
SHEET    2 AA1 3 VAL A 298  CYS A 300 -1  O  LYS A 299   N  TYR A 290           
SHEET    3 AA1 3 GLY A 306  LEU A 307 -1  O  LEU A 307   N  VAL A 298           
SSBOND   1 CYS A  351    CYS A  351                          1555   5455  2.17  
LINK         SG  CYS A 300                ZN    ZN A 401     1555   1555  2.37  
LINK         SG  CYS A 303                ZN    ZN A 401     1555   1555  2.22  
LINK         NE2 HIS A 320                ZN    ZN A 401     1555   1555  2.15  
LINK         SG  CYS A 327                ZN    ZN A 401     1555   1555  2.38  
SITE     1 AC1  4 CYS A 300  CYS A 303  HIS A 320  CYS A 327                    
SITE     1 AC2  9 GLY A 306  LEU A 307  THR A 308  ASP A 309                    
SITE     2 AC2  9 TRP A 310  GLU A 314  GLN A 319  TRP A 323                    
SITE     3 AC2  9 HOH A 552                                                     
CRYST1   71.616   71.616  105.104  90.00  90.00  90.00 P 41 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      0.013963  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.013963  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.009514        0.00000