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Database: PDB
Entry: 1PXM
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Original site: 1PXM 
HEADER    TRANSFERASE                             04-JUL-03   1PXM              
TITLE     HUMAN CYCLIN DEPENDENT KINASE 2 COMPLEXED WITH THE                    
TITLE    2 INHIBITOR 3-[4-(2,4-DIMETHYL-THIAZOL-5-YL)-PYRIMIDIN-2-              
TITLE    3 YLAMINO]-PHENOL                                                      
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: CELL DIVISION PROTEIN KINASE 2;                            
COMPND   3 CHAIN: A;                                                            
COMPND   4 EC: 2.7.1.-;                                                         
COMPND   5 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 GENE: CDK2;                                                          
SOURCE   6 EXPRESSION_SYSTEM: SPODOPTERA FRUGIPERDA;                            
SOURCE   7 EXPRESSION_SYSTEM_COMMON: FALL ARMYWORM;                             
SOURCE   8 EXPRESSION_SYSTEM_TAXID: 7108;                                       
SOURCE   9 EXPRESSION_SYSTEM_CELL_LINE: HI5;                                    
SOURCE  10 EXPRESSION_SYSTEM_VECTOR_TYPE: BACULOVIRUS                           
KEYWDS    PROTEIN KINASE, CELL CYCLE, PHOSPHORYLATION, CELL DIVISION,           
KEYWDS   2 MITOSIS, INHIBITION, TRANSFERASE, SERINE/THREONINE-PROTEIN           
KEYWDS   3 KINASE, ATP-BINDING, 3D-STRUCTURE.                                   
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    S.WANG,C.MEADES,G.WOOD,A.OSNOWSKI,S.ANDERSON,R.YUILL,                 
AUTHOR   2 M.THOMAS,W.JACKSON,C.MIDGLEY,G.GRIFFITHS,I.MCNAE,S.Y.WU,             
AUTHOR   3 C.MCINNES,D.ZHELEVA,M.D.WALKINSHAW,P.M.FISCHER                       
REVDAT   2   24-FEB-09 1PXM    1       VERSN                                    
REVDAT   1   13-APR-04 1PXM    0                                                
JRNL        AUTH   S.WANG,C.MEADES,G.WOOD,A.OSNOWSKI,S.ANDERSON,                
JRNL        AUTH 2 R.YUILL,M.THOMAS,M.MEZNA,W.JACKSON,C.MIDGLEY,                
JRNL        AUTH 3 G.GRIFFITHS,I.FLEMING,S.GREEN,I.MCNAE,S.Y.WU,                
JRNL        AUTH 4 C.MCINNES,D.ZHELEVA,M.D.WALKINSHAW,P.M.FISCHER               
JRNL        TITL   2-ANILINO-4-(THIAZOL-5-YL)PYRIMIDINE CDK                     
JRNL        TITL 2 INHIBITORS: SYNTHESIS, SAR ANALYSIS, X-RAY                   
JRNL        TITL 3 CRYSTALLOGRAPHY, AND BIOLOGICAL ACTIVITY.                    
JRNL        REF    J.MED.CHEM.                   V.  47  1662 2004              
JRNL        REFN                   ISSN 0022-2623                               
JRNL        PMID   15027857                                                     
JRNL        DOI    10.1021/JM0309957                                            
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   S.Y.WU,I.MCNAE,G.KONTOPIDIS,S.J.MCCLUE,C.MCINNES,            
REMARK   1  AUTH 2 K.J.STEWART,S.WANG,D.I.ZHELEVA,H.MARRIAGE,D.P.LANE,          
REMARK   1  AUTH 3 P.TAYLOR,P.M.FISCHER,M.D.WALKINSHAW                          
REMARK   1  TITL   DISCOVERY OF A NOVEL FAMILY OF CDK INHIBITORS WITH           
REMARK   1  TITL 2 THE PROGRAM LIDAEUS: STRUCTURAL BASIS FOR                    
REMARK   1  TITL 3 LIGAND-INDUCED DISORDERING OF THE ACTIVATION LOOP            
REMARK   1  REF    STRUCTURE                     V.  11   399 2003              
REMARK   1  REFN                   ISSN 0969-2126                               
REMARK   1  DOI    10.1016/S0969-2126(03)00060-1                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.53 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS 1.0                                              
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-              
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES, PANNU,             
REMARK   3               : READ,RICE,SIMONSON,WARREN                            
REMARK   3                                                                      
REMARK   3  REFINEMENT TARGET : NULL                                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.53                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 25.07                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 1203584.050                    
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : 0.0000                         
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 99.8                           
REMARK   3   NUMBER OF REFLECTIONS             : 9782                           
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 SET) : 0.221                           
REMARK   3   FREE R VALUE                     : 0.280                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.300                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 520                             
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.012                           
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 6                            
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.53                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.69                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 99.30                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 1496                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2600                       
REMARK   3   BIN FREE R VALUE                    : 0.3280                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 6.80                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 109                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.031                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2344                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 21                                      
REMARK   3   SOLVENT ATOMS            : 112                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 22.30                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 43.30                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -10.14000                                            
REMARK   3    B22 (A**2) : -9.25000                                             
REMARK   3    B33 (A**2) : 19.39000                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : 0.31                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.31                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : 5.00                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : 0.41                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.42                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.007                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.30                            
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 22.40                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 0.94                            
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : RESTRAINED                                
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : 1.710 ; 1.500                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 3.030 ; 2.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 2.190 ; 2.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 3.390 ; 2.500                
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : FLAT MODEL                                           
REMARK   3   KSOL        : 0.39                                                 
REMARK   3   BSOL        : 67.06                                                
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : PROTEIN_REP.PARAM                              
REMARK   3  PARAMETER FILE  2  : C8K_PAR.TXT                                    
REMARK   3  PARAMETER FILE  3  : WATER_REP.PARAM                                
REMARK   3  PARAMETER FILE  4  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : PROTEIN.TOP                                    
REMARK   3  TOPOLOGY FILE  2   : C8K_TOP.TXT                                    
REMARK   3  TOPOLOGY FILE  3   : WATER.TOP                                      
REMARK   3  TOPOLOGY FILE  4   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1PXM COMPLIES WITH FORMAT V. 3.15, 01-DEC-08                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 10-JUL-03.                  
REMARK 100 THE RCSB ID CODE IS RCSB019673.                                      
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : NULL                               
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7.8                                
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 QUANTUM 4                     
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 9784                               
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.530                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 25.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.9                               
REMARK 200  DATA REDUNDANCY                : 9.300                              
REMARK 200  R MERGE                    (I) : 0.11700                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 12.8000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.53                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.69                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 100.0                              
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.50700                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 3.380                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: MOLREP                                                
REMARK 200 STARTING MODEL: PDB ENTRY 1HCL                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 39.97                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.05                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 6000, NA-HEPES, PH 7.8, VAPOR        
REMARK 280  DIFFUSION, HANGING DROP, TEMPERATURE 277K                           
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21                       
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X+1/2,-Y,Z+1/2                                         
REMARK 290       3555   -X,Y+1/2,-Z+1/2                                         
REMARK 290       4555   X+1/2,-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       26.74450            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       36.18100            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       35.99350            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       36.18100            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       26.74450            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       35.99350            
REMARK 290   SMTRY3   4  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     ARG A    36                                                      
REMARK 465     LEU A    37                                                      
REMARK 465     ASP A    38                                                      
REMARK 465     THR A    39                                                      
REMARK 465     GLU A    40                                                      
REMARK 465     THR A    41                                                      
REMARK 465     GLU A    42                                                      
REMARK 465     GLY A    43                                                      
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    LYS A  24      -18.57    -48.21                                   
REMARK 500    LEU A  25      -80.99    -94.55                                   
REMARK 500    GLU A  73       91.14     37.84                                   
REMARK 500    ARG A 122       17.43     55.83                                   
REMARK 500    ARG A 126       -9.00     75.75                                   
REMARK 500    ASP A 127       48.93   -147.90                                   
REMARK 500    ASP A 145       39.51     72.49                                   
REMARK 500    PHE A 152     -136.41   -142.65                                   
REMARK 500    ARG A 157     -135.63   -121.75                                   
REMARK 500    THR A 158     -159.50   -150.86                                   
REMARK 500    HIS A 161       24.18     46.51                                   
REMARK 500    GLU A 162     -150.67    -66.73                                   
REMARK 500    TYR A 179       65.42   -109.18                                   
REMARK 500    PRO A 234      -57.24    -29.45                                   
REMARK 500    VAL A 252       59.91   -113.03                                   
REMARK 500    LEU A 255      135.19    -27.50                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 600                                                                      
REMARK 600 HETEROGEN CK5 500 HAS ALTERNATE CONFORMATION WITH HOH 501,502,       
REMARK 600 503,504,505,506,507,508,AND 509.                                     
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CK5 A 500                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1AQ1   RELATED DB: PDB                                   
REMARK 900 HUMAN CYCLIN DEPENDENT KINASE 2 COMPLEXED WITH THE                   
REMARK 900 INHIBITOR STAUROSPORINE                                              
REMARK 900 RELATED ID: 1B39   RELATED DB: PDB                                   
REMARK 900 HUMAN CYCLIN-DEPENDENT KINASE 2 PHOSPHORYLATED ON THR 160            
REMARK 900 RELATED ID: 1CKP   RELATED DB: PDB                                   
REMARK 900 HUMAN CYCLIN DEPENDENT KINASE 2 COMPLEXED WITH THE                   
REMARK 900 INHIBITOR PURVALANOL B                                               
REMARK 900 RELATED ID: 1DI8   RELATED DB: PDB                                   
REMARK 900 THE STRUCTURE OF CYCLIN-DEPENDENT KINASE 2 (CDK2) IN                 
REMARK 900 COMPLEX WITH 4-[3-HYDROXYANILINO]-6,7-DIMETHOXYQUINAZOLINE           
REMARK 900 RELATED ID: 1DM2   RELATED DB: PDB                                   
REMARK 900 HUMAN CYCLIN-DEPENDENT KINASE 2 COMPLEXED WITH THE                   
REMARK 900 INHIBITOR HYMENIALDISINE                                             
REMARK 900 RELATED ID: 1E1V   RELATED DB: PDB                                   
REMARK 900 HUMAN CYCLIN DEPENDENT KINASE 2 COMPLEXED WITH THE                   
REMARK 900 INHIBITOR 2058                                                       
REMARK 900 RELATED ID: 1E1X   RELATED DB: PDB                                   
REMARK 900 HUMAN CYCLIN DEPENDENT KINASE 2 COMPLEXED WITH THE                   
REMARK 900 INHIBITOR 6027                                                       
REMARK 900 RELATED ID: 1E9H   RELATED DB: PDB                                   
REMARK 900 THR 160 PHOSPHORYLATED CDK2 - HUMAN CYCLIN A3 COMPLEX WITH           
REMARK 900 THE INHIBITOR INDIRUBIN-5-SULPHONATE BOUND                           
REMARK 900 RELATED ID: 1FIN   RELATED DB: PDB                                   
REMARK 900 CYCLIN A - CYCLIN-DEPENDENT KINASE 2 COMPLEX                         
REMARK 900 RELATED ID: 1FVT   RELATED DB: PDB                                   
REMARK 900 THE STRUCTURE OF CYCLIN-DEPENDENT KINASE 2 (CDK2) IN                 
REMARK 900 COMPLEX WITH AN OXINDOLE INHIBITOR                                   
REMARK 900 RELATED ID: 1FVV   RELATED DB: PDB                                   
REMARK 900 THE STRUCTURE OF CDK2/CYCLIN A IN COMPLEX WITH AN OXINDOLE           
REMARK 900 INHIBITOR                                                            
REMARK 900 RELATED ID: 1G5S   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF HUMAN CYCLIN DEPENDENT KINASE 2 (CDK2)          
REMARK 900 IN COMPLEX WITH THE INHIBITOR H717                                   
REMARK 900 RELATED ID: 1GIH   RELATED DB: PDB                                   
REMARK 900 HUMAN CYCLIN DEPENDENT KINASE 2 COMPLEXED WITH THE CDK4              
REMARK 900 INHIBITOR                                                            
REMARK 900 RELATED ID: 1GII   RELATED DB: PDB                                   
REMARK 900 HUMAN CYCLIN DEPENDENT KINASE 2 COMPLEXED WITH THE CDK4              
REMARK 900 INHIBITOR                                                            
REMARK 900 RELATED ID: 1GIJ   RELATED DB: PDB                                   
REMARK 900 HUMAN CYCLIN DEPENDENT KINASE 2 COMPLEXED WITH THE CDK4              
REMARK 900 INHIBITOR                                                            
REMARK 900 RELATED ID: 1GZ8   RELATED DB: PDB                                   
REMARK 900 HUMAN CYCLIN DEPENDENT KINASE 2 COMPLEXED WITH THE                   
REMARK 900 INHIBITOR 2-AMINO-6-(3'-METHYL-2'-OXO)BUTOXYPURINE                   
REMARK 900 RELATED ID: 1HCK   RELATED DB: PDB                                   
REMARK 900 HUMAN CYCLIN-DEPENDENT KINASE 2                                      
REMARK 900 RELATED ID: 1HCL   RELATED DB: PDB                                   
REMARK 900 HUMAN CYCLIN-DEPENDENT KINASE 2                                      
REMARK 900 RELATED ID: 1JSV   RELATED DB: PDB                                   
REMARK 900 THE STRUCTURE OF CYCLIN-DEPENDENT KINASE 2 (CDK2) IN                 
REMARK 900 COMPLEX WITH 4-[(6-AMINO-4-PYRIMIDINYL) AMINO]                       
REMARK 900 BENZENESULFONAMIDE                                                   
REMARK 900 RELATED ID: 1JVP   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF HUMAN CDK2 (UNPHOSPHORYLATED) IN                
REMARK 900 COMPLEX WITH PKF049-365                                              
REMARK 900 RELATED ID: 1KE5   RELATED DB: PDB                                   
REMARK 900 CDK2 COMPLEXED WITH N-METHYL-4-{[(2-OXO-1,2-DIHYDRO-3H-              
REMARK 900 INDOL-3-YLIDENE)METHYL]AMINO}BENZENESULFONAMIDE                      
REMARK 900 RELATED ID: 1KE6   RELATED DB: PDB                                   
REMARK 900 CYCLIN-DEPENDENT KINASE 2 (CDK2) COMPLEXED WITH N-METHYL-{           
REMARK 900 4-[2-(7-OXO-6,7-DIHYDRO-8H-[1,3]THIAZOLO[5,4-E]INDOL-8-              
REMARK 900 YLIDENE)HYDRAZINO]PHENYL}METHANESULFONAMIDE                          
REMARK 900 RELATED ID: 1KE7   RELATED DB: PDB                                   
REMARK 900 CYCLIN-DEPENDENT KINASE 2 (CDK2) COMPLEXED WITH 3-{[(2,2-            
REMARK 900 DIOXIDO-1,3-DIHYDRO-2-BENZOTHIEN-5-YL)AMINO]METHYLENE}-5-            
REMARK 900 (1,3-OXAZOL-5-YL)-1,3-DIHYDRO-2H-INDOL-2-ONE                         
REMARK 900 RELATED ID: 1KE8   RELATED DB: PDB                                   
REMARK 900 CYCLIN-DEPENDENT KINASE 2 (CDK2) COMPLEXED WITH 4-{[(2-OXO-          
REMARK 900 1,2-DIHYDRO-3H-INDOL-3-YLIDENE)METHYL]AMINO}-N-(1,3-THIAZOL          
REMARK 900 -2-YL)BENZENESULFONAMIDE                                             
REMARK 900 RELATED ID: 1KE9   RELATED DB: PDB                                   
REMARK 900 CYCLIN-DEPENDENT KINASE 2 (CDK2) COMPLEXED WITH 3-{[4-({             
REMARK 900 [AMINO(IMINO)METHYL]AMINOSULFONYL)ANILINO]METHYLENE}-2-OXO-          
REMARK 900 2,3-DIHYDRO-1H-INDOLE                                                
REMARK 900 RELATED ID: 1PXN   RELATED DB: PDB                                   
REMARK 900 HUMAN CYCLIN DEPENDENT KINASE 2 COMPLEXED WITH THE                   
REMARK 900 INHIBITOR 4-[4-(4-METHYL-2-METHYLAMINO-THIAZOL-5-YL)-                
REMARK 900 PYRIMIDIN-2-YLAMINO]-PHENOL                                          
REMARK 900 RELATED ID: 1PXO   RELATED DB: PDB                                   
REMARK 900 HUMAN CYCLIN DEPENDENT KINASE 2 COMPLEXED WITH THE                   
REMARK 900 INHIBITOR [4-(2-AMINO-4-METHYL-THIAZOL-5-YL)-PYRIMIDIN-2-            
REMARK 900 YL]-(3-NITRO-PHENYL)-AMINE                                           
REMARK 900 RELATED ID: 1PXP   RELATED DB: PDB                                   
REMARK 900 HUMAN CYCLIN DEPENDENT KINASE 2 COMPLEXED WITH THE                   
REMARK 900 INHIBITOR N-[4-(2,4-DIMETHYL-THIAZOL-5-YL)-PYRIMIDIN-2-YL]-          
REMARK 900 N',N'-DIMETHYL-BENZENE-1,4-DIAMINE                                   
DBREF  1PXM A    1   298  UNP    P24941   CDK2_HUMAN       1    298             
SEQRES   1 A  298  MET GLU ASN PHE GLN LYS VAL GLU LYS ILE GLY GLU GLY          
SEQRES   2 A  298  THR TYR GLY VAL VAL TYR LYS ALA ARG ASN LYS LEU THR          
SEQRES   3 A  298  GLY GLU VAL VAL ALA LEU LYS LYS ILE ARG LEU ASP THR          
SEQRES   4 A  298  GLU THR GLU GLY VAL PRO SER THR ALA ILE ARG GLU ILE          
SEQRES   5 A  298  SER LEU LEU LYS GLU LEU ASN HIS PRO ASN ILE VAL LYS          
SEQRES   6 A  298  LEU LEU ASP VAL ILE HIS THR GLU ASN LYS LEU TYR LEU          
SEQRES   7 A  298  VAL PHE GLU PHE LEU HIS GLN ASP LEU LYS LYS PHE MET          
SEQRES   8 A  298  ASP ALA SER ALA LEU THR GLY ILE PRO LEU PRO LEU ILE          
SEQRES   9 A  298  LYS SER TYR LEU PHE GLN LEU LEU GLN GLY LEU ALA PHE          
SEQRES  10 A  298  CYS HIS SER HIS ARG VAL LEU HIS ARG ASP LEU LYS PRO          
SEQRES  11 A  298  GLN ASN LEU LEU ILE ASN THR GLU GLY ALA ILE LYS LEU          
SEQRES  12 A  298  ALA ASP PHE GLY LEU ALA ARG ALA PHE GLY VAL PRO VAL          
SEQRES  13 A  298  ARG THR TYR THR HIS GLU VAL VAL THR LEU TRP TYR ARG          
SEQRES  14 A  298  ALA PRO GLU ILE LEU LEU GLY CYS LYS TYR TYR SER THR          
SEQRES  15 A  298  ALA VAL ASP ILE TRP SER LEU GLY CYS ILE PHE ALA GLU          
SEQRES  16 A  298  MET VAL THR ARG ARG ALA LEU PHE PRO GLY ASP SER GLU          
SEQRES  17 A  298  ILE ASP GLN LEU PHE ARG ILE PHE ARG THR LEU GLY THR          
SEQRES  18 A  298  PRO ASP GLU VAL VAL TRP PRO GLY VAL THR SER MET PRO          
SEQRES  19 A  298  ASP TYR LYS PRO SER PHE PRO LYS TRP ALA ARG GLN ASP          
SEQRES  20 A  298  PHE SER LYS VAL VAL PRO PRO LEU ASP GLU ASP GLY ARG          
SEQRES  21 A  298  SER LEU LEU SER GLN MET LEU HIS TYR ASP PRO ASN LYS          
SEQRES  22 A  298  ARG ILE SER ALA LYS ALA ALA LEU ALA HIS PRO PHE PHE          
SEQRES  23 A  298  GLN ASP VAL THR LYS PRO VAL PRO HIS LEU ARG LEU              
HET    CK5  A 500      21                                                       
HETNAM     CK5 3-[4-(2,4-DIMETHYL-THIAZOL-5-YL)-PYRIMIDIN-2-YLAMINO]-           
HETNAM   2 CK5  PHENOL                                                          
FORMUL   2  CK5    C15 H14 N4 O S                                               
FORMUL   3  HOH   *112(H2 O)                                                    
HELIX    1   1 PRO A   45  LYS A   56  1                                  12    
HELIX    2   2 LEU A   87  SER A   94  1                                   8    
HELIX    3   3 PRO A  100  SER A  120  1                                  21    
HELIX    4   4 LYS A  129  GLN A  131  5                                   3    
HELIX    5   5 GLY A  147  PHE A  152  1                                   6    
HELIX    6   6 ALA A  170  LEU A  175  1                                   6    
HELIX    7   7 THR A  182  ARG A  199  1                                  18    
HELIX    8   8 SER A  207  GLY A  220  1                                  14    
HELIX    9   9 GLY A  229  MET A  233  5                                   5    
HELIX   10  10 ASP A  247  VAL A  252  1                                   6    
HELIX   11  11 ASP A  256  GLN A  265  1                                  10    
HELIX   12  12 SER A  276  LEU A  281  1                                   6    
HELIX   13  13 ALA A  282  VAL A  289  5                                   8    
SHEET    1   A 5 PHE A   4  GLU A  12  0                                        
SHEET    2   A 5 VAL A  17  ASN A  23 -1  O  ARG A  22   N  GLN A   5           
SHEET    3   A 5 VAL A  29  LYS A  34 -1  O  LEU A  32   N  TYR A  19           
SHEET    4   A 5 LEU A  76  GLU A  81 -1  O  LEU A  78   N  LYS A  33           
SHEET    5   A 5 LEU A  66  HIS A  71 -1  N  ILE A  70   O  TYR A  77           
SHEET    1   B 3 GLN A  85  ASP A  86  0                                        
SHEET    2   B 3 LEU A 133  ILE A 135 -1  O  ILE A 135   N  GLN A  85           
SHEET    3   B 3 ILE A 141  LEU A 143 -1  O  LYS A 142   N  LEU A 134           
CISPEP   1 PRO A  253    PRO A  254          0         0.08                     
SITE     1 AC1 20 ILE A  10  ALA A  31  LYS A  33  PHE A  80                    
SITE     2 AC1 20 GLU A  81  PHE A  82  LEU A  83  HIS A  84                    
SITE     3 AC1 20 ASP A  86  LEU A 134  ASP A 145  HOH A 501                    
SITE     4 AC1 20 HOH A 502  HOH A 503  HOH A 504  HOH A 505                    
SITE     5 AC1 20 HOH A 506  HOH A 507  HOH A 508  HOH A 509                    
CRYST1   53.489   71.987   72.362  90.00  90.00  90.00 P 21 21 21    4          
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      0.018695  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.013891  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.013819        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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