HEADER    TRANSFERASE                             02-JUL-07   2QHM              
TITLE     CRYSTAL STRUCTURE OF CHEK1 IN COMPLEX WITH INHIBITOR 2A               
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: SERINE/THREONINE-PROTEIN KINASE CHK1;                      
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: PROTEIN KINASE DOMAIN, RESIDUES 1-307;                     
COMPND   5 EC: 2.7.11.1;                                                        
COMPND   6 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: SPODOPTERA FRUGIPERDA;                            
SOURCE   6 EXPRESSION_SYSTEM_COMMON: FALL ARMYWORM;                             
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 7108;                                       
SOURCE   8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   9 EXPRESSION_SYSTEM_PLASMID: PRAD2030                                  
KEYWDS    CHEK1, KINASE, CELL CYCLE CHECKPOINT, TRANSFERASE                     
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    Y.YAN,S.MUNSHI                                                        
REVDAT   3   30-AUG-23 2QHM    1       REMARK                                   
REVDAT   2   24-FEB-09 2QHM    1       VERSN                                    
REVDAT   1   18-MAR-08 2QHM    0                                                
JRNL        AUTH   E.J.BRNARDIC,R.M.GARBACCIO,M.E.FRALEY,E.S.TASBER,J.T.STEEN,  
JRNL        AUTH 2 K.L.ARRINGTON,V.Y.DUDKIN,G.D.HARTMAN,S.M.STIRDIVANT,         
JRNL        AUTH 3 B.A.DRAKAS,K.RICKERT,E.S.WALSH,K.HAMILTON,C.A.BUSER,         
JRNL        AUTH 4 J.HARDWICK,W.TAO,S.C.BECK,X.MAO,R.B.LOBELL,L.SEPP-LORENZINO, 
JRNL        AUTH 5 Y.YAN,M.IKUTA,S.K.MUNSHI,L.C.KUO,C.KREATSOULAS               
JRNL        TITL   OPTIMIZATION OF A PYRAZOLOQUINOLINONE CLASS OF CHK1 KINASE   
JRNL        TITL 2 INHIBITORS.                                                  
JRNL        REF    BIOORG.MED.CHEM.LETT.         V.  17  5989 2007              
JRNL        REFN                   ISSN 0960-894X                               
JRNL        PMID   17804227                                                     
JRNL        DOI    10.1016/J.BMCL.2007.07.051                                   
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.00 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : BUSTER-TNT 2.1.1                                     
REMARK   3   AUTHORS     : BRICOGNE,BLANC,BRANDL,FLENSBURG,KELLER,              
REMARK   3               : PACIOREK,ROVERSI,SMART,VONRHEIN,WOMACK,              
REMARK   3               : MATTHEWS,TEN EYCK,TRONRUD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 50.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 97.2                           
REMARK   3   NUMBER OF REFLECTIONS             : 22504                          
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)  : 0.195                          
REMARK   3   R VALUE            (WORKING SET)  : 0.192                          
REMARK   3   FREE R VALUE                      : 0.237                          
REMARK   3   FREE R VALUE TEST SET SIZE   (%)  : 5.160                          
REMARK   3   FREE R VALUE TEST SET COUNT       : 1162                           
REMARK   3   ESTIMATED ERROR OF FREE R VALUE   : NULL                           
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED               : 9                        
REMARK   3   BIN RESOLUTION RANGE HIGH   (ANGSTROMS) : 2.00                     
REMARK   3   BIN RESOLUTION RANGE LOW    (ANGSTROMS) : 2.12                     
REMARK   3   BIN COMPLETENESS (WORKING+TEST)     (%) : 97.18                    
REMARK   3   REFLECTIONS IN BIN (WORKING + TEST SET) : 3446                     
REMARK   3   BIN R VALUE        (WORKING + TEST SET) : 19.620                   
REMARK   3   REFLECTIONS IN BIN        (WORKING SET) : 3297                     
REMARK   3   BIN R VALUE               (WORKING SET) : 0.1937                   
REMARK   3   BIN FREE R VALUE                        : 0.2482                   
REMARK   3   BIN FREE R VALUE TEST SET SIZE      (%) : 4.32                     
REMARK   3   BIN FREE R VALUE TEST SET COUNT         : 149                      
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE     : NULL                     
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2177                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 21                                      
REMARK   3   SOLVENT ATOMS            : 207                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 34.12                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 42.16                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -5.82830                                             
REMARK   3    B22 (A**2) : -1.56314                                             
REMARK   3    B33 (A**2) : 7.39145                                              
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.32316                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT                    (A) : NULL                
REMARK   3   DPI (BLOW EQ-10) BASED ON R VALUE        (A) : NULL                
REMARK   3   DPI (BLOW EQ-9) BASED ON FREE R VALUE    (A) : NULL                
REMARK   3   DPI (CRUICKSHANK) BASED ON R VALUE       (A) : NULL                
REMARK   3   DPI (CRUICKSHANK) BASED ON FREE R VALUE  (A) : NULL                
REMARK   3                                                                      
REMARK   3   REFERENCES: BLOW, D. (2002) ACTA CRYST D58, 792-797                
REMARK   3               CRUICKSHANK, D.W.J. (1999) ACTA CRYST D55, 583-601     
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : NULL                          
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : NULL                          
REMARK   3                                                                      
REMARK   3   NUMBER OF GEOMETRIC FUNCTION TERMS DEFINED : 15                    
REMARK   3   TERM                          COUNT    WEIGHT   FUNCTION.          
REMARK   3    BOND LENGTHS              : 2252   ; 2.000  ; NULL                
REMARK   3    BOND ANGLES               : 3032   ; 2.000  ; NULL                
REMARK   3    TORSION ANGLES            : 474    ; 0.000  ; NULL                
REMARK   3    TRIGONAL CARBON PLANES    : 64     ; 2.000  ; NULL                
REMARK   3    GENERAL PLANES            : 321    ; 5.000  ; NULL                
REMARK   3    ISOTROPIC THERMAL FACTORS : 2252   ; 20.000 ; NULL                
REMARK   3    BAD NON-BONDED CONTACTS   : 30     ; 5.000  ; NULL                
REMARK   3    IMPROPER TORSIONS         : NULL   ; NULL   ; NULL                
REMARK   3    PSEUDOROTATION ANGLES     : NULL   ; NULL   ; NULL                
REMARK   3    CHIRAL IMPROPER TORSION   : NULL   ; NULL   ; NULL                
REMARK   3    SUM OF OCCUPANCIES        : NULL   ; NULL   ; NULL                
REMARK   3    UTILITY DISTANCES         : NULL   ; NULL   ; NULL                
REMARK   3    UTILITY ANGLES            : NULL   ; NULL   ; NULL                
REMARK   3    UTILITY TORSION           : NULL   ; NULL   ; NULL                
REMARK   3    IDEAL-DIST CONTACT TERM   : NULL   ; NULL   ; NULL                
REMARK   3                                                                      
REMARK   3   RMS DEVIATIONS FROM IDEAL VALUES.                                  
REMARK   3    BOND LENGTHS                       (A) : 0.011                    
REMARK   3    BOND ANGLES                  (DEGREES) : 1.18                     
REMARK   3    PEPTIDE OMEGA TORSION ANGLES (DEGREES) : NULL                     
REMARK   3    OTHER TORSION ANGLES         (DEGREES) : NULL                     
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 2QHM COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 12-JUL-07.                  
REMARK 100 THE DEPOSITION ID IS D_1000043609.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 15-JUN-04                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 6.8                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : APS                                
REMARK 200  BEAMLINE                       : 17-ID                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.0                                
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 210                   
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : HKL-2000                           
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 22504                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.000                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 97.4                               
REMARK 200  DATA REDUNDANCY                : 5.900                              
REMARK 200  R MERGE                    (I) : 0.06400                            
REMARK 200  R SYM                      (I) : 0.06400                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 18.0000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.00                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.12                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 94.2                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.37500                            
REMARK 200  R SYM FOR SHELL            (I) : 0.37500                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 3.100                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS            
REMARK 200 SOFTWARE USED: CNS                                                   
REMARK 200 STARTING MODEL: 1IA8                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 47.51                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.34                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 13% PEG 8K, 0.1M AMMONIUM SULFATE, 2%    
REMARK 280  GLYCEROL, 0.1M SODIUM CACODYLATE BUFFER, PH 6.8, VAPOR DIFFUSION,   
REMARK 280  HANGING DROP, TEMPERATURE 298K                                      
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,Y+1/2,-Z                                             
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000  1.000000  0.000000       33.03500            
REMARK 290   SMTRY3   2  0.000000  0.000000 -1.000000        0.00000            
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: MONOMERIC                         
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 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     MET A     1                                                      
REMARK 465     GLU A    17                                                      
REMARK 465     GLY A    18                                                      
REMARK 465     ALA A    19                                                      
REMARK 465     TYR A    20                                                      
REMARK 465     ARG A    44                                                      
REMARK 465     ALA A    45                                                      
REMARK 465     VAL A    46                                                      
REMARK 465     ASP A    47                                                      
REMARK 465     CYS A    48                                                      
REMARK 465     PRO A    49                                                      
REMARK 465     GLU A    50                                                      
REMARK 465     GLY A   281                                                      
REMARK 465     GLY A   282                                                      
REMARK 465     VAL A   283                                                      
REMARK 465     SER A   284                                                      
REMARK 465     GLU A   285                                                      
REMARK 465     SER A   286                                                      
REMARK 465     PRO A   287                                                      
REMARK 465     SER A   288                                                      
REMARK 465     GLY A   289                                                      
REMARK 465     PHE A   290                                                      
REMARK 465     SER A   291                                                      
REMARK 465     LYS A   292                                                      
REMARK 465     HIS A   293                                                      
REMARK 465     ILE A   294                                                      
REMARK 465     GLN A   295                                                      
REMARK 465     SER A   296                                                      
REMARK 465     ASN A   297                                                      
REMARK 465     LEU A   298                                                      
REMARK 465     ASP A   299                                                      
REMARK 465     PHE A   300                                                      
REMARK 465     SER A   301                                                      
REMARK 465     PRO A   302                                                      
REMARK 465     VAL A   303                                                      
REMARK 465     ASN A   304                                                      
REMARK 465     SER A   305                                                      
REMARK 465     ALA A   306                                                      
REMARK 465     SER A   307                                                      
REMARK 465     ARG A   308                                                      
REMARK 465     THR A   309                                                      
REMARK 465     PRO A   310                                                      
REMARK 465     GLY A   311                                                      
REMARK 465     SER A   312                                                      
REMARK 465     GLY A   313                                                      
REMARK 465     TRP A   314                                                      
REMARK 465     SER A   315                                                      
REMARK 465     LYS A   316                                                      
REMARK 465     GLU A   317                                                      
REMARK 465     HIS A   318                                                      
REMARK 465     HIS A   319                                                      
REMARK 465     HIS A   320                                                      
REMARK 465     HIS A   321                                                      
REMARK 465     HIS A   322                                                      
REMARK 465     HIS A   323                                                      
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    PRO A 276   C   -  N   -  CD  ANGL. DEV. = -12.6 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    PRO A   4      -75.51    -49.93                                   
REMARK 500    GLN A  13      148.93    177.37                                   
REMARK 500    GLU A  76     -104.42     53.73                                   
REMARK 500    ASP A  99       -3.27     67.14                                   
REMARK 500    ARG A 129       -0.16     71.83                                   
REMARK 500    ASP A 130       46.40   -147.63                                   
REMARK 500    ASP A 148      101.69     76.84                                   
REMARK 500    ASN A 165       -9.89   -142.97                                   
REMARK 500    ASN A 229      -86.19    -17.10                                   
REMARK 500    ILE A 234      -93.12    -75.84                                   
REMARK 500    ASP A 235      136.94    146.91                                   
REMARK 500    LEU A 269      -34.31   -134.31                                   
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 7CS A 500                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 2QHN   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF CHEK1 IN COMPLEX WITH INHIBITOR 1A              
DBREF  2QHM A    1   307  UNP    O14757   CHK1_HUMAN       1    307             
SEQADV 2QHM ARG A  308  UNP  O14757              EXPRESSION TAG                 
SEQADV 2QHM THR A  309  UNP  O14757              EXPRESSION TAG                 
SEQADV 2QHM PRO A  310  UNP  O14757              EXPRESSION TAG                 
SEQADV 2QHM GLY A  311  UNP  O14757              EXPRESSION TAG                 
SEQADV 2QHM SER A  312  UNP  O14757              EXPRESSION TAG                 
SEQADV 2QHM GLY A  313  UNP  O14757              EXPRESSION TAG                 
SEQADV 2QHM TRP A  314  UNP  O14757              EXPRESSION TAG                 
SEQADV 2QHM SER A  315  UNP  O14757              EXPRESSION TAG                 
SEQADV 2QHM LYS A  316  UNP  O14757              EXPRESSION TAG                 
SEQADV 2QHM GLU A  317  UNP  O14757              EXPRESSION TAG                 
SEQADV 2QHM HIS A  318  UNP  O14757              EXPRESSION TAG                 
SEQADV 2QHM HIS A  319  UNP  O14757              EXPRESSION TAG                 
SEQADV 2QHM HIS A  320  UNP  O14757              EXPRESSION TAG                 
SEQADV 2QHM HIS A  321  UNP  O14757              EXPRESSION TAG                 
SEQADV 2QHM HIS A  322  UNP  O14757              EXPRESSION TAG                 
SEQADV 2QHM HIS A  323  UNP  O14757              EXPRESSION TAG                 
SEQRES   1 A  323  MET ALA VAL PRO PHE VAL GLU ASP TRP ASP LEU VAL GLN          
SEQRES   2 A  323  THR LEU GLY GLU GLY ALA TYR GLY GLU VAL GLN LEU ALA          
SEQRES   3 A  323  VAL ASN ARG VAL THR GLU GLU ALA VAL ALA VAL LYS ILE          
SEQRES   4 A  323  VAL ASP MET LYS ARG ALA VAL ASP CYS PRO GLU ASN ILE          
SEQRES   5 A  323  LYS LYS GLU ILE CYS ILE ASN LYS MET LEU ASN HIS GLU          
SEQRES   6 A  323  ASN VAL VAL LYS PHE TYR GLY HIS ARG ARG GLU GLY ASN          
SEQRES   7 A  323  ILE GLN TYR LEU PHE LEU GLU TYR CYS SER GLY GLY GLU          
SEQRES   8 A  323  LEU PHE ASP ARG ILE GLU PRO ASP ILE GLY MET PRO GLU          
SEQRES   9 A  323  PRO ASP ALA GLN ARG PHE PHE HIS GLN LEU MET ALA GLY          
SEQRES  10 A  323  VAL VAL TYR LEU HIS GLY ILE GLY ILE THR HIS ARG ASP          
SEQRES  11 A  323  ILE LYS PRO GLU ASN LEU LEU LEU ASP GLU ARG ASP ASN          
SEQRES  12 A  323  LEU LYS ILE SER ASP PHE GLY LEU ALA THR VAL PHE ARG          
SEQRES  13 A  323  TYR ASN ASN ARG GLU ARG LEU LEU ASN LYS MET CYS GLY          
SEQRES  14 A  323  THR LEU PRO TYR VAL ALA PRO GLU LEU LEU LYS ARG ARG          
SEQRES  15 A  323  GLU PHE HIS ALA GLU PRO VAL ASP VAL TRP SER CYS GLY          
SEQRES  16 A  323  ILE VAL LEU THR ALA MET LEU ALA GLY GLU LEU PRO TRP          
SEQRES  17 A  323  ASP GLN PRO SER ASP SER CYS GLN GLU TYR SER ASP TRP          
SEQRES  18 A  323  LYS GLU LYS LYS THR TYR LEU ASN PRO TRP LYS LYS ILE          
SEQRES  19 A  323  ASP SER ALA PRO LEU ALA LEU LEU HIS LYS ILE LEU VAL          
SEQRES  20 A  323  GLU ASN PRO SER ALA ARG ILE THR ILE PRO ASP ILE LYS          
SEQRES  21 A  323  LYS ASP ARG TRP TYR ASN LYS PRO LEU LYS LYS GLY ALA          
SEQRES  22 A  323  LYS ARG PRO ARG VAL THR SER GLY GLY VAL SER GLU SER          
SEQRES  23 A  323  PRO SER GLY PHE SER LYS HIS ILE GLN SER ASN LEU ASP          
SEQRES  24 A  323  PHE SER PRO VAL ASN SER ALA SER ARG THR PRO GLY SER          
SEQRES  25 A  323  GLY TRP SER LYS GLU HIS HIS HIS HIS HIS HIS                  
HET    7CS  A 500      21                                                       
HETNAM     7CS (3-ENDO)-8-METHYL-8-AZABICYCLO[3.2.1]OCT-3-YL 1H-                
HETNAM   2 7CS  PYRROLO[2,3-B]PYRIDINE-3-CARBOXYLATE                            
FORMUL   2  7CS    C16 H19 N3 O2                                                
FORMUL   3  HOH   *207(H2 O)                                                    
HELIX    1   1 VAL A    3  GLU A    7  5                                   5    
HELIX    2   2 ASN A   51  LEU A   62  1                                  12    
HELIX    3   3 PHE A   93  ILE A   96  5                                   4    
HELIX    4   4 PRO A  103  ILE A  124  1                                  22    
HELIX    5   5 LYS A  132  GLU A  134  5                                   3    
HELIX    6   6 THR A  170  VAL A  174  5                                   5    
HELIX    7   7 ALA A  175  ARG A  181  1                                   7    
HELIX    8   8 HIS A  185  GLY A  204  1                                  20    
HELIX    9   9 CYS A  215  GLU A  223  1                                   9    
HELIX   10  10 LEU A  228  LYS A  233  1                                   6    
HELIX   11  11 ASP A  235  LEU A  246  1                                  12    
HELIX   12  12 THR A  255  LYS A  260  1                                   6    
SHEET    1   A 5 TRP A   9  GLY A  16  0                                        
SHEET    2   A 5 GLU A  22  ASN A  28 -1  O  VAL A  23   N  LEU A  15           
SHEET    3   A 5 ALA A  34  ASP A  41 -1  O  VAL A  35   N  ALA A  26           
SHEET    4   A 5 ILE A  79  GLU A  85 -1  O  LEU A  84   N  ALA A  36           
SHEET    5   A 5 PHE A  70  ARG A  74 -1  N  TYR A  71   O  PHE A  83           
SHEET    1   B 3 GLY A  90  GLU A  91  0                                        
SHEET    2   B 3 LEU A 136  LEU A 138 -1  O  LEU A 138   N  GLY A  90           
SHEET    3   B 3 LEU A 144  ILE A 146 -1  O  LYS A 145   N  LEU A 137           
SHEET    1   C 2 ILE A 126  THR A 127  0                                        
SHEET    2   C 2 THR A 153  VAL A 154 -1  O  THR A 153   N  THR A 127           
SHEET    1   D 2 ARG A 156  TYR A 157  0                                        
SHEET    2   D 2 ARG A 160  GLU A 161 -1  O  ARG A 160   N  TYR A 157           
SITE     1 AC1  9 ALA A  36  GLU A  85  CYS A  87  GLU A  91                    
SITE     2 AC1  9 GLU A 134  ASN A 135  LEU A 137  SER A 147                    
SITE     3 AC1  9 HOH A 582                                                     
CRYST1   45.150   66.070   58.210  90.00  94.36  90.00 P 1 21 1      2          
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      0.022148  0.000000  0.001689        0.00000                         
SCALE2      0.000000  0.015135  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.017229        0.00000