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Database: PDB
Entry: 2XM9
LinkDB: 2XM9
Original site: 2XM9 
HEADER    TRANSFERASE                             26-JUL-10   2XM9              
TITLE     STRUCTURE OF A SMALL MOLECULE INHIBITOR WITH THE KINASE DOMAIN OF CHK2
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: CDS1, CHECKPOINT KINASE 2;                                  
COMPND   6 EC: 2.7.11.1;                                                        
COMPND   7 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: 562;                                        
SOURCE   7 EXPRESSION_SYSTEM_STRAIN: ROSETTA2 DE3(PLYSS);                       
SOURCE   8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   9 EXPRESSION_SYSTEM_PLASMID: PTHREE-E                                  
KEYWDS    TRANSFERASE, CANCER                                                   
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    J.J.CALDWELL,E.J.WELSH,C.MATIJSSEN,V.E.ANDERSON,L.ANTONI,K.BOXALL,    
AUTHOR   2 F.URBAN,A.HAYES,F.I.RAYNAUD,L.J.RIGOREAU,T.RAYNHAM,G.W.AHERNE,       
AUTHOR   3 L.H.PEARL,A.W.OLIVER,M.D.GARRETT,I.COLLINS                           
REVDAT   3   20-DEC-23 2XM9    1       REMARK                                   
REVDAT   2   16-FEB-11 2XM9    1       AUTHOR JRNL                              
REVDAT   1   12-JAN-11 2XM9    0                                                
JRNL        AUTH   J.J.CALDWELL,E.J.WELSH,C.MATIJSSEN,V.E.ANDERSON,L.ANTONI,    
JRNL        AUTH 2 K.BOXALL,F.URBAN,A.HAYES,F.I.RAYNAUD,L.J.RIGOREAU,T.RAYNHAM, 
JRNL        AUTH 3 G.W.AHERNE,L.H.PEARL,A.W.OLIVER,M.D.GARRETT,I.COLLINS        
JRNL        TITL   STRUCTURE-BASED DESIGN OF POTENT AND SELECTIVE               
JRNL        TITL 2 2-(QUINAZOLIN-2-YL)PHENOL INHIBITORS OF CHECKPOINT KINASE 2. 
JRNL        REF    J.MED.CHEM.                   V.  54   580 2011              
JRNL        REFN                   ISSN 0022-2623                               
JRNL        PMID   21186793                                                     
JRNL        DOI    10.1021/JM101150B                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.50 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PHENIX (PHENIX.REFINE: 1.5_2)                        
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 : ML                                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.50                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 40.07                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 1.360                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.8                           
REMARK   3   NUMBER OF REFLECTIONS             : 15900                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.189                           
REMARK   3   R VALUE            (WORKING SET) : 0.186                           
REMARK   3   FREE R VALUE                     : 0.238                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 792                             
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 40.0782 -  4.5421    0.99     2618   131  0.1666 0.1961        
REMARK   3     2  4.5421 -  3.6059    1.00     2528   128  0.1498 0.2014        
REMARK   3     3  3.6059 -  3.1503    1.00     2498   143  0.1832 0.2571        
REMARK   3     4  3.1503 -  2.8624    1.00     2489   143  0.2112 0.2549        
REMARK   3     5  2.8624 -  2.6573    1.00     2469   125  0.2291 0.3035        
REMARK   3     6  2.6573 -  2.5006    1.00     2506   122  0.2484 0.3087        
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED        : FLAT BULK SOLVENT MODEL                       
REMARK   3   SOLVENT RADIUS     : 1.11                                          
REMARK   3   SHRINKAGE RADIUS   : 0.90                                          
REMARK   3   K_SOL              : 0.31                                          
REMARK   3   B_SOL              : 51.58                                         
REMARK   3                                                                      
REMARK   3  ERROR ESTIMATES.                                                    
REMARK   3   COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED)     : 0.350            
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 23.090           
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 49.36                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : NULL                           
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.25140                                              
REMARK   3    B22 (A**2) : 0.25140                                              
REMARK   3    B33 (A**2) : -0.50280                                             
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      :  0.008           2329                                  
REMARK   3   ANGLE     :  1.071           3154                                  
REMARK   3   CHIRALITY :  0.066            363                                  
REMARK   3   PLANARITY :  0.004            393                                  
REMARK   3   DIHEDRAL  : 19.234            851                                  
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
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 2XM9 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 26-JUL-10.                  
REMARK 100 THE DEPOSITION ID IS D_1290044790.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 30-OCT-08                          
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               : ESRF                               
REMARK 200  BEAMLINE                       : ID14-2                             
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.9330                             
REMARK 200  MONOCHROMATOR                  : DIAMOND (111), GE(220)             
REMARK 200  OPTICS                         : TOROIDAL MIRROR                    
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC CCD                           
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : IMOSFLM                            
REMARK 200  DATA SCALING SOFTWARE          : SCALA                              
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 15926                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.320                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 41.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.9                               
REMARK 200  DATA REDUNDANCY                : 5.350                              
REMARK 200  R MERGE                    (I) : 0.07000                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 7.2300                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.50                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.64                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 100.0                              
REMARK 200  DATA REDUNDANCY IN SHELL       : 5.43                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.52000                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 1.450                              
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 2CN5                                       
REMARK 200                                                                      
REMARK 200 REMARK: NONE                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 64.15                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.43                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1 M HEPES PH 7.5, 0.2 M 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       61.96667            
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       30.98333            
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       30.98333            
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       61.96667            
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: 2750 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 28820 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -12.6 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  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000      -61.96667            
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     SER A   210                                                      
REMARK 465     GLY A   229                                                      
REMARK 465     ALA A   230                                                      
REMARK 465     CYS A   231                                                      
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     ALA A   513                                                      
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     LYS A 224    CG   CD   CE   NZ                                   
REMARK 470     SER A 252    OG                                                  
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 279    CD   CE   NZ                                        
REMARK 470     GLU A 295    CG   CD   OE1  OE2                                  
REMARK 470     LYS A 373    CG   CD   CE   NZ                                   
REMARK 470     GLU A 377    CG   CD   OE1  OE2                                  
REMARK 470     MET A 381    CG   SD   CE                                        
REMARK 470     ARG A 382    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     GLU A 450    CG   CD   OE1  OE2                                  
REMARK 470     LYS A 494    CD   CE   NZ                                        
REMARK 470     THR A 506    OG1  CG2                                            
REMARK 470     GLN A 510    CG   CD   OE1  NE2                                  
REMARK 470     VAL A 511    CG1  CG2                                            
REMARK 470     LEU A 512    CG   CD1  CD2                                       
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     -158.97   -141.02                                   
REMARK 500    ALA A 294     -145.20   -138.42                                   
REMARK 500    ASN A 316       17.43     55.18                                   
REMARK 500    ARG A 346       -8.38     78.98                                   
REMARK 500    ASP A 368       67.11     60.76                                   
REMARK 500    GLU A 377      108.30    -57.63                                   
REMARK 500    LEU A 467       48.16    -86.99                                   
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 LWH A 1513                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NO3 A 1514                
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: 2XBJ   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: 2W0J   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF CHK2 IN COMPLEX WITH NSC 109555 , A SPECIFIC    
REMARK 900 INHIBITOR                                                            
REMARK 900 RELATED ID: 2WTC   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: 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: 1GXC   RELATED DB: PDB                                   
REMARK 900 FHA DOMAIN FROM HUMAN CHK2 KINASE IN COMPLEX WITH A SYNTHETIC        
REMARK 900 PHOSPHOPEPTIDE                                                       
REMARK 900 RELATED ID: 2CN5   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF HUMAN CHK2 IN COMPLEX WITH ADP                  
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: 2WTD   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF CHK2 IN COMPLEX WITH AN INHIBITOR               
DBREF  2XM9 A  210   531  UNP    O96017   CHK2_HUMAN     210    531             
SEQADV 2XM9 GLY A  203  UNP  O96017              EXPRESSION TAG                 
SEQADV 2XM9 PRO A  204  UNP  O96017              EXPRESSION TAG                 
SEQADV 2XM9 LEU A  205  UNP  O96017              EXPRESSION TAG                 
SEQADV 2XM9 GLY A  206  UNP  O96017              EXPRESSION TAG                 
SEQADV 2XM9 SER A  207  UNP  O96017              EXPRESSION TAG                 
SEQADV 2XM9 HIS A  208  UNP  O96017              EXPRESSION TAG                 
SEQADV 2XM9 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    LWH  A1513      28                                                       
HET    NO3  A1514       4                                                       
HETNAM     LWH 4-(1H-PYRAZOL-5-YL)-2-{4-[(3S)-PYRROLIDIN-3-                     
HETNAM   2 LWH  YLAMINO]QUINAZOLIN-2-YL}PHENOL                                  
HETNAM     NO3 NITRATE ION                                                      
FORMUL   2  LWH    C21 H20 N6 O                                                 
FORMUL   3  NO3    N O3 1-                                                      
FORMUL   4  HOH   *153(H2 O)                                                    
HELIX    1   1 PRO A  213  GLU A  219  1                                   7    
HELIX    2   2 PRO A  266  LEU A  280  1                                  15    
HELIX    3   3 PHE A  310  VAL A  313  5                                   4    
HELIX    4   4 LYS A  320  ASN A  341  1                                  22    
HELIX    5   5 LYS A  349  GLU A  351  5                                   3    
HELIX    6   6 THR A  378  LEU A  384  1                                   7    
HELIX    7   7 THR A  387  LEU A  391  5                                   5    
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  GLU A  454  1                                   7    
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  GLU A  504  1                                  17    
SHEET    1  AA 5 TYR A 220  GLY A 227  0                                        
SHEET    2  AA 5 GLU A 233  GLU A 239 -1  O  VAL A 234   N  LEU A 226           
SHEET    3  AA 5 LYS A 245  ILE A 251 -1  O  VAL A 246   N  ALA A 237           
SHEET    4  AA 5 TYR A 297  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 17 LEU A 226  SER A 228  LYS A 249  GLU A 273                    
SITE     2 AC1 17 ILE A 286  LEU A 301  GLU A 302  LEU A 303                    
SITE     3 AC1 17 MET A 304  GLY A 307  GLU A 308  GLU A 351                    
SITE     4 AC1 17 ASN A 352  LEU A 354  THR A 367  ASP A 368                    
SITE     5 AC1 17 HOH A2153                                                     
SITE     1 AC2  5 LEU A 375  GLY A 403  TYR A 404  ASN A 405                    
SITE     2 AC2  5 ARG A 406                                                     
CRYST1   91.360   91.360   92.950  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      0.010946  0.006320  0.000000        0.00000                         
SCALE2      0.000000  0.012639  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.010758        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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