HEADER    TRANSFERASE                             28-NOV-11   4A9R              
TITLE     CRYSTAL STRUCTURE OF HUMAN CHK2 IN COMPLEX WITH BENZIMIDAZOLE         
TITLE    2 CARBOXAMIDE INHIBITOR                                                
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: SERINE/THREONINE-PROTEIN KINASE CHK2;                      
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: KINASE DOMAIN, RESIDUES 210-531;                           
COMPND   5 SYNONYM: CHK2 CHECKPOINT HOMOLOG, CDS1 HOMOLOG, HUCDS1, HCDS1,       
COMPND   6 CHECKPOINT KINASE 2;                                                 
COMPND   7 EC: 2.7.11.1;                                                        
COMPND   8 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);                                 
SOURCE   8 EXPRESSION_SYSTEM_VARIANT: ROSETTA2 PLYSS;                           
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  10 EXPRESSION_SYSTEM_VECTOR: PTHREE-E                                   
KEYWDS    TRANSFERASE, KINASE                                                   
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    C.MATIJSSEN,M.C.SILVA-SANTISTEBAN,I.M.WESTWOOD,S.SIDDIQUE,V.CHOI,     
AUTHOR   2 P.SHELDRAKE,R.L.M.VAN MONTFORT,J.BLAGG                               
REVDAT   4   20-DEC-23 4A9R    1       REMARK                                   
REVDAT   3   07-NOV-12 4A9R    1       JRNL                                     
REVDAT   2   24-OCT-12 4A9R    1       JRNL                                     
REVDAT   1   10-OCT-12 4A9R    0                                                
JRNL        AUTH   C.MATIJSSEN,M.C.SILVA-SANTISTEBAN,I.M.WESTWOOD,S.SIDDIQUE,   
JRNL        AUTH 2 V.CHOI,P.SHELDRAKE,R.L.M.VAN MONTFORT,J.BLAGG                
JRNL        TITL   BENZIMIDAZOLE INHIBITORS OF THE PROTEIN KINASE CHK2:         
JRNL        TITL 2 CLARIFICATION OF THE BINDING MODE BY FLEXIBLE SIDE CHAIN     
JRNL        TITL 3 DOCKING AND PROTEIN-LIGAND CRYSTALLOGRAPHY                   
JRNL        REF    BIOORG.MED.CHEM.              V.  20  6630 2012              
JRNL        REFN                   ISSN 0968-0896                               
JRNL        PMID   23058106                                                     
JRNL        DOI    10.1016/J.BMC.2012.09.024                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.85 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PHENIX (PHENIX.REFINE)                               
REMARK   3   AUTHORS     : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN            
REMARK   3               : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE,           
REMARK   3               : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER,            
REMARK   3               : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY,              
REMARK   3               : REETAL PAI,RANDY READ,JANE RICHARDSON,               
REMARK   3               : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI,           
REMARK   3               : NICHOLAS SAUTER,JACOB SMITH,LAURENT                  
REMARK   3               : STORONI,TOM TERWILLIGER,PETER ZWART                  
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MLHL                                          
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.85                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 40.14                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 1.330                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 98.0                           
REMARK   3   NUMBER OF REFLECTIONS             : 19720                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.187                           
REMARK   3   R VALUE            (WORKING SET) : 0.184                           
REMARK   3   FREE R VALUE                     : 0.235                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.800                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 938                             
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT (IN BINS).                           
REMARK   3   BIN  RESOLUTION RANGE  COMPL.    NWORK NFREE   RWORK  RFREE        
REMARK   3     1 40.1456 -  5.4480    0.94     2598   108  0.1757 0.2008        
REMARK   3     2  5.4480 -  4.3259    0.96     2609   149  0.1317 0.1625        
REMARK   3     3  4.3259 -  3.7795    0.98     2681   143  0.1500 0.2094        
REMARK   3     4  3.7795 -  3.4342    0.99     2732   126  0.1967 0.2980        
REMARK   3     5  3.4342 -  3.1881    0.99     2729   133  0.2112 0.2583        
REMARK   3     6  3.1881 -  3.0002    0.99     2721   129  0.2772 0.3664        
REMARK   3     7  3.0002 -  2.8500    1.00     2712   150  0.3506 0.4196        
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED        : FLAT BULK SOLVENT MODEL                       
REMARK   3   SOLVENT RADIUS     : 1.30                                          
REMARK   3   SHRINKAGE RADIUS   : 1.06                                          
REMARK   3   K_SOL              : 0.29                                          
REMARK   3   B_SOL              : 40.18                                         
REMARK   3                                                                      
REMARK   3  ERROR ESTIMATES.                                                    
REMARK   3   COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED)     : 1.090            
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 24.050           
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 68.11                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : NULL                           
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -0.78400                                             
REMARK   3    B22 (A**2) : -0.78400                                             
REMARK   3    B33 (A**2) : 1.56800                                              
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  TWINNING INFORMATION.                                               
REMARK   3   FRACTION: NULL                                                     
REMARK   3   OPERATOR: NULL                                                     
REMARK   3                                                                      
REMARK   3  DEVIATIONS FROM IDEAL VALUES.                                       
REMARK   3                 RMSD          COUNT                                  
REMARK   3   BOND      :  0.004           2297                                  
REMARK   3   ANGLE     :  0.667           3113                                  
REMARK   3   CHIRALITY :  0.044            363                                  
REMARK   3   PLANARITY :  0.002            387                                  
REMARK   3   DIHEDRAL  : 13.850            839                                  
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : 3                                          
REMARK   3   TLS GROUP : 1                                                      
REMARK   3    SELECTION: CHAIN A AND (RESSEQ 210:379)                           
REMARK   3    ORIGIN FOR THE GROUP (A): -14.7793  45.6592   5.8970              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.3516 T22:   0.2544                                     
REMARK   3      T33:   0.2247 T12:   0.0344                                     
REMARK   3      T13:  -0.0254 T23:   0.0137                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   1.1219 L22:   6.2865                                     
REMARK   3      L33:   0.7258 L12:  -1.6372                                     
REMARK   3      L13:  -0.9158 L23:   1.0620                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.0576 S12:  -0.0237 S13:   0.2882                       
REMARK   3      S21:  -0.3925 S22:  -0.1190 S23:  -0.3555                       
REMARK   3      S31:  -0.4379 S32:  -0.0596 S33:   0.0587                       
REMARK   3   TLS GROUP : 2                                                      
REMARK   3    SELECTION: CHAIN A AND (RESSEQ 380:488)                           
REMARK   3    ORIGIN FOR THE GROUP (A):  -8.3908  23.0520   0.1884              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.2265 T22:   0.2241                                     
REMARK   3      T33:   0.3899 T12:   0.0526                                     
REMARK   3      T13:   0.0364 T23:   0.0827                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   0.5544 L22:   3.1612                                     
REMARK   3      L33:   5.0202 L12:  -0.2934                                     
REMARK   3      L13:   0.4206 L23:   0.9235                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.1036 S12:  -0.0990 S13:  -0.0937                       
REMARK   3      S21:   0.1499 S22:   0.0913 S23:  -0.4620                       
REMARK   3      S31:   0.4490 S32:   0.2716 S33:   0.0565                       
REMARK   3   TLS GROUP : 3                                                      
REMARK   3    SELECTION: CHAIN A AND (RESSEQ 489:512)                           
REMARK   3    ORIGIN FOR THE GROUP (A): -23.8551  38.1200  23.9071              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.6787 T22:   0.9188                                     
REMARK   3      T33:   0.1609 T12:   0.0235                                     
REMARK   3      T13:   0.0456 T23:   0.0491                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   3.6998 L22:   7.8754                                     
REMARK   3      L33:   0.8486 L12:  -2.0275                                     
REMARK   3      L13:   1.7650 L23:  -0.7820                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.3464 S12:  -1.0788 S13:  -0.0010                       
REMARK   3      S21:   0.5788 S22:   0.3612 S23:   0.6090                       
REMARK   3      S31:   0.4576 S32:  -0.2984 S33:  -0.0445                       
REMARK   3                                                                      
REMARK   3  NCS DETAILS                                                         
REMARK   3   NUMBER OF NCS GROUPS : NULL                                        
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 4A9R COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 28-NOV-11.                  
REMARK 100 THE DEPOSITION ID IS D_1290050506.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 06-MAR-09                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : NULL                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : DIAMOND                            
REMARK 200  BEAMLINE                       : I03                                
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.9763                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC CCD                           
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : MOSFLM                             
REMARK 200  DATA SCALING SOFTWARE          : SCALA                              
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 10659                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.850                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 60.190                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 1.500                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.2                               
REMARK 200  DATA REDUNDANCY                : 4.100                              
REMARK 200  R MERGE                    (I) : 0.07000                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 13.0000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.85                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 3.00                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 100.0                              
REMARK 200  DATA REDUNDANCY IN SHELL       : 4.20                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.44000                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 3.300                              
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: PDB ENTRY 2WTJ                                       
REMARK 200                                                                      
REMARK 200 REMARK: NONE                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 64.84                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.50                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1M HEPES PH 7.5, 0.2M MAGNESIUM        
REMARK 280  NITRATE, 8-16% (W/V) PEG 3350                                       
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 32 2 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z+2/3                                            
REMARK 290       3555   -X+Y,-X,Z+1/3                                           
REMARK 290       4555   Y,X,-Z                                                  
REMARK 290       5555   X-Y,-Y,-Z+1/3                                           
REMARK 290       6555   -X,-X+Y,-Z+2/3                                          
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 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       62.23333            
REMARK 290   SMTRY1   3 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   3 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       31.11667            
REMARK 290   SMTRY1   4 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.866025  0.500000  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        0.00000            
REMARK 290   SMTRY2   5  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000       31.11667            
REMARK 290   SMTRY1   6 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   6 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000       62.23333            
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: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 3130 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 28520 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -9.3 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 350   BIOMT1   2 -0.500000 -0.866025  0.000000        0.00000            
REMARK 350   BIOMT2   2 -0.866025  0.500000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000      -31.11667            
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   203                                                      
REMARK 465     PRO A   204                                                      
REMARK 465     LEU A   205                                                      
REMARK 465     GLY A   206                                                      
REMARK 465     SER A   207                                                      
REMARK 465     HIS A   208                                                      
REMARK 465     MET A   209                                                      
REMARK 465     GLY A   227                                                      
REMARK 465     SER A   228                                                      
REMARK 465     GLY A   229                                                      
REMARK 465     ALA A   230                                                      
REMARK 465     CYS A   231                                                      
REMARK 465     GLY A   232                                                      
REMARK 465     ARG A   254                                                      
REMARK 465     LYS A   255                                                      
REMARK 465     PHE A   256                                                      
REMARK 465     ALA A   257                                                      
REMARK 465     ILE A   258                                                      
REMARK 465     GLY A   259                                                      
REMARK 465     SER A   260                                                      
REMARK 465     ALA A   261                                                      
REMARK 465     ARG A   262                                                      
REMARK 465     GLU A   263                                                      
REMARK 465     ALA A   264                                                      
REMARK 465     ASP A   265                                                      
REMARK 465     GLN A   514                                                      
REMARK 465     PRO A   515                                                      
REMARK 465     SER A   516                                                      
REMARK 465     THR A   517                                                      
REMARK 465     SER A   518                                                      
REMARK 465     ARG A   519                                                      
REMARK 465     LYS A   520                                                      
REMARK 465     ARG A   521                                                      
REMARK 465     PRO A   522                                                      
REMARK 465     ARG A   523                                                      
REMARK 465     GLU A   524                                                      
REMARK 465     GLY A   525                                                      
REMARK 465     GLU A   526                                                      
REMARK 465     ALA A   527                                                      
REMARK 465     GLU A   528                                                      
REMARK 465     GLY A   529                                                      
REMARK 465     ALA A   530                                                      
REMARK 465     GLU A   531                                                      
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     SER A 210    OG                                                  
REMARK 470     LYS A 224    CG   CD   CE   NZ                                   
REMARK 470     LEU A 268    CG   CD1  CD2                                       
REMARK 470     GLU A 271    CG   CD   OE1  OE2                                  
REMARK 470     GLU A 275    CG   CD   OE1  OE2                                  
REMARK 470     LYS A 278    CD   CE   NZ                                        
REMARK 470     LYS A 279    CG   CD   CE   NZ                                   
REMARK 470     GLU A 295    CD   OE1  OE2                                       
REMARK 470     GLN A 358    CG   CD   OE1  NE2                                  
REMARK 470     LYS A 373    CD   CE   NZ                                        
REMARK 470     GLU A 377    CG   CD   OE1  OE2                                  
REMARK 470     ARG A 382    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     ARG A 431    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     LYS A 444    CG   CD   CE   NZ                                   
REMARK 470     GLU A 454    CD   OE1  OE2                                       
REMARK 470     GLU A 457    CG   CD   OE1  OE2                                  
REMARK 470     LYS A 494    CE   NZ                                             
REMARK 470     GLU A 502    CG   CD   OE1  OE2                                  
REMARK 470     SER A 505    OG                                                  
REMARK 470     THR A 506    OG1  CG2                                            
REMARK 470     LEU A 508    CG   CD1  CD2                                       
REMARK 470     GLN A 510    CG   CD   OE1  NE2                                  
REMARK 470     ALA A 513    CA   C    O    CB                                   
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    SER A 223     -141.68   -135.84                                   
REMARK 500    ALA A 267      -51.52    -16.38                                   
REMARK 500    ALA A 294     -150.51   -121.90                                   
REMARK 500    ARG A 346      -12.46     81.30                                   
REMARK 500    ASP A 368       81.41     61.61                                   
REMARK 500    GLU A 377      -37.65     60.59                                   
REMARK 500    THR A 378      -13.73     52.91                                   
REMARK 500    SER A 379      -36.34     66.84                                   
REMARK 500    LEU A 467       49.72    -90.64                                   
REMARK 500    LEU A 499      -70.82    -67.85                                   
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 RESIDUE NO3 A 1513                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE RU5 A 1514                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EDO A 1515                
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 2WTI   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF CHK2 IN COMPLEX WITH AN INHIBITOR               
REMARK 900 RELATED ID: 2CN8   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF HUMAN CHK2 IN COMPLEX WITH                      
REMARK 900 DEBROMOHYMENIALDISINE                                                
REMARK 900 RELATED ID: 2YCF   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF CHECKPOINT KINASE 2 IN COMPLEX WITH INHIBITOR   
REMARK 900 PV1531                                                               
REMARK 900 RELATED ID: 2W0J   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF CHK2 IN COMPLEX WITH NSC 109555 , A SPECIFIC    
REMARK 900 INHIBITOR                                                            
REMARK 900 RELATED ID: 2YIR   RELATED DB: PDB                                   
REMARK 900 STRUCTURAL ANALYSIS OF CHECKPOINT KINASE 2 IN COMPLEX WITH           
REMARK 900 INHIBITOR PV1352                                                     
REMARK 900 RELATED ID: 2WTC   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF CHK2 IN COMPLEX WITH AN INHIBITOR               
REMARK 900 RELATED ID: 2YIT   RELATED DB: PDB                                   
REMARK 900 STRUCTURAL ANALYSIS OF CHECKPOINT KINASE 2 IN COMPLEX WITH PV1162,   
REMARK 900 A NOVEL INHIBITOR                                                    
REMARK 900 RELATED ID: 2YCR   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF CHECKPOINT KINASE 2 IN COMPLEX WITH INHIBITOR   
REMARK 900 PV976                                                                
REMARK 900 RELATED ID: 2YCQ   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF CHECKPOINT KINASE 2 IN COMPLEX WITH INHIBITOR   
REMARK 900 PV1115                                                               
REMARK 900 RELATED ID: 1GXC   RELATED DB: PDB                                   
REMARK 900 FHA DOMAIN FROM HUMAN CHK2 KINASE IN COMPLEX WITH A SYNTHETIC        
REMARK 900 PHOSPHOPEPTIDE                                                       
REMARK 900 RELATED ID: 2WTD   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF CHK2 IN COMPLEX WITH AN INHIBITOR               
REMARK 900 RELATED ID: 2XBJ   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF CHK2 IN COMPLEX WITH AN INHIBITOR               
REMARK 900 RELATED ID: 2WTJ   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF CHK2 IN COMPLEX WITH AN INHIBITOR               
REMARK 900 RELATED ID: 2YCS   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF CHECKPOINT KINASE 2 IN COMPLEX WITH PV788       
REMARK 900 RELATED ID: 2XK9   RELATED DB: PDB                                   
REMARK 900 STRUCTURAL ANALYSIS OF CHECKPOINT KINASE 2 (CHK2) IN COMPLEX WITH    
REMARK 900 INHIBITOR PV1533                                                     
REMARK 900 RELATED ID: 2XM9   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF A SMALL MOLECULE INHIBITOR WITH THE KINASE DOMAIN OF    
REMARK 900 CHK2                                                                 
REMARK 900 RELATED ID: 2W7X   RELATED DB: PDB                                   
REMARK 900 CELLULAR INHIBITION OF CHECKPOINT KINASE 2 AND POTENTIATION OF       
REMARK 900 CYTOTOXIC DRUGS BY NOVEL CHK2 INHIBITOR PV1019                       
REMARK 900 RELATED ID: 2CN5   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF HUMAN CHK2 IN COMPLEX WITH ADP                  
REMARK 900 RELATED ID: 2YIQ   RELATED DB: PDB                                   
REMARK 900 STRUCTURAL ANALYSIS OF CHECKPOINT KINASE 2 IN COMPLEX WITH           
REMARK 900 INHIBITOR PV1322                                                     
REMARK 900 RELATED ID: 2XM8   RELATED DB: PDB                                   
REMARK 900 CO-CRYSTAL STRUCTURE OF A SMALL MOLECULE INHIBITOR BOUND TO THE      
REMARK 900 KINASE DOMAIN OF CHK2                                                
REMARK 900 RELATED ID: 4A9T   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF HUMAN CHK2 IN COMPLEX WITH BENZIMIDAZOLE        
REMARK 900 CARBOXAMIDE INHIBITOR                                                
REMARK 900 RELATED ID: 4A9S   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF HUMAN CHK2 IN COMPLEX WITH BENZIMIDAZOLE        
REMARK 900 CARBOXAMIDE INHIBITOR                                                
REMARK 900 RELATED ID: 4A9U   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF HUMAN CHK2 IN COMPLEX WITH BENZIMIDAZOLE        
REMARK 900 CARBOXAMIDE INHIBITOR                                                
DBREF  4A9R A  210   531  UNP    O96017   CHK2_HUMAN     210    531             
SEQADV 4A9R GLY A  203  UNP  O96017              EXPRESSION TAG                 
SEQADV 4A9R PRO A  204  UNP  O96017              EXPRESSION TAG                 
SEQADV 4A9R LEU A  205  UNP  O96017              EXPRESSION TAG                 
SEQADV 4A9R GLY A  206  UNP  O96017              EXPRESSION TAG                 
SEQADV 4A9R SER A  207  UNP  O96017              EXPRESSION TAG                 
SEQADV 4A9R HIS A  208  UNP  O96017              EXPRESSION TAG                 
SEQADV 4A9R MET A  209  UNP  O96017              EXPRESSION TAG                 
SEQRES   1 A  329  GLY PRO LEU GLY SER HIS MET SER VAL TYR PRO LYS ALA          
SEQRES   2 A  329  LEU ARG ASP GLU TYR ILE MET SER LYS THR LEU GLY SER          
SEQRES   3 A  329  GLY ALA CYS GLY GLU VAL LYS LEU ALA PHE GLU ARG LYS          
SEQRES   4 A  329  THR CYS LYS LYS VAL ALA ILE LYS ILE ILE SER LYS ARG          
SEQRES   5 A  329  LYS PHE ALA ILE GLY SER ALA ARG GLU ALA ASP PRO ALA          
SEQRES   6 A  329  LEU ASN VAL GLU THR GLU ILE GLU ILE LEU LYS LYS LEU          
SEQRES   7 A  329  ASN HIS PRO CYS ILE ILE LYS ILE LYS ASN PHE PHE ASP          
SEQRES   8 A  329  ALA GLU ASP TYR TYR ILE VAL LEU GLU LEU MET GLU GLY          
SEQRES   9 A  329  GLY GLU LEU PHE ASP LYS VAL VAL GLY ASN LYS ARG LEU          
SEQRES  10 A  329  LYS GLU ALA THR CYS LYS LEU TYR PHE TYR GLN MET LEU          
SEQRES  11 A  329  LEU ALA VAL GLN TYR LEU HIS GLU ASN GLY ILE ILE HIS          
SEQRES  12 A  329  ARG ASP LEU LYS PRO GLU ASN VAL LEU LEU SER SER GLN          
SEQRES  13 A  329  GLU GLU ASP CYS LEU ILE LYS ILE THR ASP PHE GLY HIS          
SEQRES  14 A  329  SER LYS ILE LEU GLY GLU THR SER LEU MET ARG THR LEU          
SEQRES  15 A  329  CYS GLY THR PRO THR TYR LEU ALA PRO GLU VAL LEU VAL          
SEQRES  16 A  329  SER VAL GLY THR ALA GLY TYR ASN ARG ALA VAL ASP CYS          
SEQRES  17 A  329  TRP SER LEU GLY VAL ILE LEU PHE ILE CYS LEU SER GLY          
SEQRES  18 A  329  TYR PRO PRO PHE SER GLU HIS ARG THR GLN VAL SER LEU          
SEQRES  19 A  329  LYS ASP GLN ILE THR SER GLY LYS TYR ASN PHE ILE PRO          
SEQRES  20 A  329  GLU VAL TRP ALA GLU VAL SER GLU LYS ALA LEU ASP LEU          
SEQRES  21 A  329  VAL LYS LYS LEU LEU VAL VAL ASP PRO LYS ALA ARG PHE          
SEQRES  22 A  329  THR THR GLU GLU ALA LEU ARG HIS PRO TRP LEU GLN ASP          
SEQRES  23 A  329  GLU ASP MET LYS ARG LYS PHE GLN ASP LEU LEU SER GLU          
SEQRES  24 A  329  GLU ASN GLU SER THR ALA LEU PRO GLN VAL LEU ALA GLN          
SEQRES  25 A  329  PRO SER THR SER ARG LYS ARG PRO ARG GLU GLY GLU ALA          
SEQRES  26 A  329  GLU GLY ALA GLU                                              
HET    NO3  A1513       4                                                       
HET    RU5  A1514      26                                                       
HET    EDO  A1515       4                                                       
HETNAM     NO3 NITRATE ION                                                      
HETNAM     RU5 2-[4-(4-CHLOROPHENOXY)PHENYL]-1H-BENZIMIDAZOLE-6-                
HETNAM   2 RU5  CARBOXAMIDE                                                     
HETNAM     EDO 1,2-ETHANEDIOL                                                   
HETSYN     EDO ETHYLENE GLYCOL                                                  
FORMUL   2  NO3    N O3 1-                                                      
FORMUL   3  RU5    C20 H14 CL N3 O2                                             
FORMUL   4  EDO    C2 H6 O2                                                     
FORMUL   5  HOH   *18(H2 O)                                                     
HELIX    1   1 PRO A  213  ASP A  218  1                                   6    
HELIX    2   2 PRO A  266  LEU A  280  1                                  15    
HELIX    3   3 LEU A  309  VAL A  314  1                                   6    
HELIX    4   4 GLY A  315  LYS A  317  5                                   3    
HELIX    5   5 LYS A  320  ASN A  341  1                                  22    
HELIX    6   6 LYS A  349  GLU A  351  5                                   3    
HELIX    7   7 SER A  379  CYS A  385  1                                   7    
HELIX    8   8 ALA A  392  VAL A  399  1                                   8    
HELIX    9   9 ARG A  406  GLY A  423  1                                  18    
HELIX   10  10 SER A  435  GLY A  443  1                                   9    
HELIX   11  11 ILE A  448  ALA A  453  1                                   6    
HELIX   12  12 SER A  456  LEU A  467  1                                  12    
HELIX   13  13 THR A  476  ARG A  482  1                                   7    
HELIX   14  14 HIS A  483  GLN A  487  5                                   5    
HELIX   15  15 ASP A  488  SER A  505  1                                  18    
SHEET    1  AA 5 TYR A 220  THR A 225  0                                        
SHEET    2  AA 5 VAL A 234  GLU A 239 -1  O  LEU A 236   N  SER A 223           
SHEET    3  AA 5 LYS A 244  SER A 252 -1  O  LYS A 244   N  GLU A 239           
SHEET    4  AA 5 ASP A 296  GLU A 302 -1  O  TYR A 297   N  ILE A 251           
SHEET    5  AA 5 ILE A 288  ASP A 293 -1  N  LYS A 289   O  VAL A 300           
SHEET    1  AB 3 GLY A 307  GLU A 308  0                                        
SHEET    2  AB 3 VAL A 353  LEU A 355 -1  N  LEU A 355   O  GLY A 307           
SHEET    3  AB 3 ILE A 364  ILE A 366 -1  O  LYS A 365   N  LEU A 354           
SHEET    1  AC 2 ILE A 343  ILE A 344  0                                        
SHEET    2  AC 2 LYS A 373  ILE A 374 -1  O  LYS A 373   N  ILE A 344           
SITE     1 AC1  5 LEU A 375  GLY A 403  TYR A 404  ASN A 405                    
SITE     2 AC1  5 ARG A 406                                                     
SITE     1 AC2 10 LEU A 226  LYS A 249  LEU A 301  MET A 304                    
SITE     2 AC2 10 GLU A 305  ASN A 352  LEU A 354  THR A 367                    
SITE     3 AC2 10 ASP A 368  HOH A2010                                          
SITE     1 AC3  4 ILE A 288  LYS A 289  ASN A 290  PHE A 291                    
CRYST1   90.840   90.840   93.350  90.00  90.00 120.00 P 32 2 1      6          
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      0.011008  0.006356  0.000000        0.00000                         
SCALE2      0.000000  0.012711  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.010712        0.00000