HEADER    TRANSFERASE                             18-MAY-06   2CN8              
TITLE     CRYSTAL STRUCTURE OF HUMAN CHK2 IN COMPLEX WITH DEBROMOHYMENIALDISINE 
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;                                                       
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_PLASMID: PTHREE-E;                                 
SOURCE   9 OTHER_DETAILS: HUMAN CDNA LIBRARY                                    
KEYWDS    ATP-BINDING, TRANSFERASE, KINASE DOMAIN, PHOSPHORYLATION, TUMOUR      
KEYWDS   2 SUPPRESSOR, ACTIVATION SEGMENT, LI-FRAUMENI SYNDROME,                
KEYWDS   3 SERINE/THREONINE-PROTEIN KINASE, CHK2, CDS1, RAD53, CHEK2, KINASE,   
KEYWDS   4 CANCER, CHECKPOINT, NUCLEOTIDE-BINDING, HYPOTHETICAL PROTEIN         
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    A.W.OLIVER,L.H.PEARL                                                  
REVDAT   6   13-DEC-23 2CN8    1       LINK                                     
REVDAT   5   13-JUL-11 2CN8    1       VERSN                                    
REVDAT   4   24-FEB-09 2CN8    1       VERSN                                    
REVDAT   3   03-JAN-07 2CN8    1       REMARK                                   
REVDAT   2   26-JUL-06 2CN8    1       JRNL                                     
REVDAT   1   28-JUN-06 2CN8    0                                                
JRNL        AUTH   A.W.OLIVER,A.PAUL,K.J.BOXALL,S.E.BARRIE,G.W.AHERNE,          
JRNL        AUTH 2 M.D.GARRETT,S.MITTNACHT,L.H.PEARL                            
JRNL        TITL   TRANS-ACTIVATION OF THE DNA-DAMAGE SIGNALLING PROTEIN KINASE 
JRNL        TITL 2 CHK2 BY T-LOOP EXCHANGE                                      
JRNL        REF    EMBO J.                       V.  25  3179 2006              
JRNL        REFN                   ISSN 0261-4189                               
JRNL        PMID   16794575                                                     
JRNL        DOI    10.1038/SJ.EMBOJ.7601209                                     
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.70 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.2.0019                                      
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) : 2.70                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 76.70                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 98.4                           
REMARK   3   NUMBER OF REFLECTIONS             : 10709                          
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) : 0.207                           
REMARK   3   R VALUE            (WORKING SET) : 0.204                           
REMARK   3   FREE R VALUE                     : 0.271                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.800                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 541                             
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) : 2.70                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.77                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 787                          
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 99.76                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.4150                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 45                           
REMARK   3   BIN FREE R VALUE                    : 0.4310                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2152                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 23                                      
REMARK   3   SOLVENT ATOMS            : 45                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   B VALUE TYPE : LIKELY RESIDUAL                                     
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 55.19                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 1.30000                                              
REMARK   3    B22 (A**2) : 1.30000                                              
REMARK   3    B33 (A**2) : -1.95000                                             
REMARK   3    B12 (A**2) : 0.65000                                              
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): 0.622         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.341         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.247         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 22.964        
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.945                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.902                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  2980 ; 2.226 ; 1.996       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   260 ; 7.074 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):    94 ;37.159 ;24.787       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   426 ;24.360 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):     9 ;21.370 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   339 ; 0.126 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  1594 ; 0.007 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):   979 ; 0.263 ; 0.200       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  1491 ; 0.325 ; 0.200       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):    79 ; 0.220 ; 0.200       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):     1 ; 0.310 ; 0.200       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):    47 ; 0.299 ; 0.200       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):     6 ; 0.358 ; 0.200       
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):  1376 ; 0.960 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  2143 ; 1.569 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):   976 ; 2.511 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):   837 ; 3.920 ; 4.500       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  NULL ;  NULL ;  NULL       
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  : 2                                          
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   221        A   305                          
REMARK   3    ORIGIN FOR THE GROUP (A): -19.0302  49.7597   3.8357              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.0692 T22:   0.0052                                     
REMARK   3      T33:   0.0365 T12:  -0.0087                                     
REMARK   3      T13:   0.0058 T23:  -0.0252                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   2.6030 L22:  13.8346                                     
REMARK   3      L33:   2.3879 L12:   0.8029                                     
REMARK   3      L13:   1.0960 L23:   0.2316                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.1043 S12:   0.3035 S13:   0.1118                       
REMARK   3      S21:  -1.3247 S22:  -0.1289 S23:   0.2285                       
REMARK   3      S31:  -0.2724 S32:   0.0722 S33:   0.2331                       
REMARK   3                                                                      
REMARK   3   TLS GROUP : 2                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 1                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   A   306        A   503                          
REMARK   3    ORIGIN FOR THE GROUP (A): -11.2674  26.7310   6.2264              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:  -0.1112 T22:  -0.0546                                     
REMARK   3      T33:  -0.0850 T12:  -0.0353                                     
REMARK   3      T13:   0.0171 T23:   0.0811                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   2.1232 L22:   4.6388                                     
REMARK   3      L33:   5.4641 L12:  -0.4021                                     
REMARK   3      L13:   0.4468 L23:   1.8391                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.0320 S12:  -0.3035 S13:  -0.1140                       
REMARK   3      S21:   0.2337 S22:   0.0790 S23:  -0.1807                       
REMARK   3      S31:   0.3207 S32:  -0.0115 S33:  -0.0470                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : MASK                                                 
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.40                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: THE WATER MOLECULES IN CHAIN Y TRACE      
REMARK   3  THE PATH OF THE EXTREME C-TERMINUS OF THE PROTEIN. SIDE CHAIN       
REMARK   3  IDENTITIES COULD NOT BE ASSIGNED.                                   
REMARK   4                                                                      
REMARK   4 2CN8 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 18-MAY-06.                  
REMARK 100 THE DEPOSITION ID IS D_1290028794.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 26-SEP-05                          
REMARK 200  TEMPERATURE           (KELVIN) : 100.0                              
REMARK 200  PH                             : NULL                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : SRS                                
REMARK 200  BEAMLINE                       : PX14.1                             
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.488                              
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   : 11261                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.700                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 39.650                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 2.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 98.7                               
REMARK 200  DATA REDUNDANCY                : 4.300                              
REMARK 200  R MERGE                    (I) : 0.07000                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 16.0000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.70                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.85                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 100.0                              
REMARK 200  DATA REDUNDANCY IN SHELL       : 4.30                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.53000                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.800                              
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: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 55.32                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.75                     
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       59.26467            
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       29.63233            
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       29.63233            
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       59.26467            
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: PQS                                                   
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      -29.63233            
REMARK 400                                                                      
REMARK 400 COMPOUND                                                             
REMARK 400 REGULATES CELL CYCLE CHECKPOINTS AND APOPTOSIS IN                    
REMARK 400  RESPONSE TO DNA DAMAGE, PARTICULARLY DNA DOUBLE-STRAND BREAKS.      
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     VAL A   211                                                      
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     PRO A   266                                                      
REMARK 465     ALA A   267                                                      
REMARK 465     LEU A   268                                                      
REMARK 465     GLY A   376                                                      
REMARK 465     GLU A   377                                                      
REMARK 465     GLY A   386                                                      
REMARK 465     THR A   387                                                      
REMARK 465     ARG A   431                                                      
REMARK 465     THR A   432                                                      
REMARK 465     GLN A   433                                                      
REMARK 465     GLU A   504                                                      
REMARK 465     SER A   505                                                      
REMARK 465     THR A   506                                                      
REMARK 465     ALA A   507                                                      
REMARK 465     LEU A   508                                                      
REMARK 465     PRO A   509                                                      
REMARK 465     GLN A   510                                                      
REMARK 465     VAL A   511                                                      
REMARK 465     LEU A   512                                                      
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 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   O    GLY A   315     N    LYS A   317              1.92            
REMARK 500   OH   TYR A   337     O    HOH A  2016              2.12            
REMARK 500   O    HOH A  2018     O    HOH A  2025              2.19            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                      
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)               
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   RES CSSEQI ATM2   DEVIATION                     
REMARK 500    GLU A 351   CG    GLU A 351   CD      0.122                       
REMARK 500    THR A 389   C     THR A 389   O       0.176                       
REMARK 500    THR A 389   C     TYR A 390   N       0.163                       
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500    ASP A 497   CB  -  CG  -  OD1 ANGL. DEV. =  -5.6 DEGREES          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    SER A 223     -157.99   -158.97                                   
REMARK 500    ALA A 294      103.43    -30.26                                   
REMARK 500    GLU A 295      -64.92     85.71                                   
REMARK 500    ASN A 316       22.87     26.87                                   
REMARK 500    LYS A 317      -97.22    -54.38                                   
REMARK 500    ARG A 318      138.98    103.92                                   
REMARK 500    ARG A 346       -5.13     90.84                                   
REMARK 500    ASP A 368       82.30     68.63                                   
REMARK 500    THR A 389        2.42    -60.25                                   
REMARK 500    GLU A 394      -30.82    170.18                                   
REMARK 500    LEU A 396      -86.32    -53.65                                   
REMARK 500    VAL A 397      -48.39    -21.74                                   
REMARK 500    SER A 428      145.74   -172.50                                   
REMARK 500    LEU A 467       47.18    -74.19                                   
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 A2027        DISTANCE =  6.60 ANGSTROMS                       
REMARK 525    HOH A2028        DISTANCE =  7.41 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                              MG A1504  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A 347   OD2                                                    
REMARK 620 2 ASP A 368   OD1 105.7                                              
REMARK 620 3 ASP A 368   OD2  69.7  48.0                                        
REMARK 620 4 HOH A2029   O    78.1 117.2  79.4                                  
REMARK 620 5 HOH A2030   O    61.7  89.8  99.3 136.8                            
REMARK 620 N                    1     2     3     4                             
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A1504                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NO3 A1505                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE DBQ A1506                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
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                  
DBREF  2CN8 A  203   209  PDB    2CN8     2CN8           203    209             
DBREF  2CN8 A  210   531  UNP    O96017   CHK2_HUMAN     210    531             
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     MG  A1504       1                                                       
HET    NO3  A1505       4                                                       
HET    DBQ  A1506      18                                                       
HETNAM      MG MAGNESIUM ION                                                    
HETNAM     NO3 NITRATE ION                                                      
HETNAM     DBQ DEBROMOHYMENIALDISINE                                            
FORMUL   2   MG    MG 2+                                                        
FORMUL   3  NO3    N O3 1-                                                      
FORMUL   4  DBQ    C11 H11 N5 O2                                                
FORMUL   5  HOH   *45(H2 O)                                                     
HELIX    1   1 PRO A  213  ASP A  218  1                                   6    
HELIX    2   2 ASN A  269  LEU A  280  1                                  12    
HELIX    3   3 LEU A  309  VAL A  314  1                                   6    
HELIX    4   4 LYS A  320  GLU A  340  1                                  21    
HELIX    5   5 LYS A  349  GLU A  351  5                                   3    
HELIX    6   6 THR A  378  CYS A  385  1                                   8    
HELIX    7   7 GLU A  394  GLY A  400  1                                   7    
HELIX    8   8 ARG A  406  GLY A  423  1                                  18    
HELIX    9   9 SER A  435  GLY A  443  1                                   9    
HELIX   10  10 ILE A  448  ALA A  453  1                                   6    
HELIX   11  11 SER A  456  LEU A  467  1                                  12    
HELIX   12  12 THR A  476  HIS A  483  1                                   8    
HELIX   13  13 PRO A  484  GLN A  487  5                                   4    
HELIX   14  14 ASP A  488  GLU A  502  1                                  15    
SHEET    1  AA 5 TYR A 220  GLY A 227  0                                        
SHEET    2  AA 5 VAL A 234  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  LEU A 301 -1  O  TYR A 297   N  ILE A 251           
SHEET    5  AA 5 ILE A 288  PHE A 292 -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           
LINK         OD2 ASP A 347                MG    MG A1504     1555   1555  2.57  
LINK         OD1 ASP A 368                MG    MG A1504     1555   1555  2.84  
LINK         OD2 ASP A 368                MG    MG A1504     1555   1555  2.31  
LINK        MG    MG A1504                 O   HOH A2029     1555   1555  2.04  
LINK        MG    MG A1504                 O   HOH A2030     1555   1555  1.68  
SITE     1 AC1  5 ASP A 347  ASP A 368  HIS A 371  HOH A2029                    
SITE     2 AC1  5 HOH A2030                                                     
SITE     1 AC2  5 LEU A 375  GLY A 403  TYR A 404  ASN A 405                    
SITE     2 AC2  5 ARG A 406                                                     
SITE     1 AC3 12 LEU A 226  VAL A 234  LYS A 249  LEU A 301                    
SITE     2 AC3 12 GLU A 302  LEU A 303  MET A 304  GLU A 308                    
SITE     3 AC3 12 GLU A 351  ASN A 352  LEU A 354  THR A 367                    
CRYST1   88.650   88.650   88.897  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      0.011280  0.006513  0.000000        0.00000                         
SCALE2      0.000000  0.013025  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.011249        0.00000