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Database: PDB
Entry: 1W8C
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Original site: 1W8C 
HEADER    TRANSFERASE                             20-SEP-04   1W8C              
TITLE     CO-CRYSTAL STRUCTURE OF 6-CYCLOHEXYLMETHOXY-8-ISOPROPYL-9H-PURIN-2-   
TITLE    2 YLAMINE AND MONOMERIC CDK2                                           
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: CELL DIVISION PROTEIN KINASE 2;                            
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: CYCLIN DEPENDENT KINASE 2, P33 PROTEIN KINASE;              
COMPND   5 EC: 2.7.1.37;                                                        
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_CELL_LINE: SF9;                                    
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: BACULOVIRUS                           
KEYWDS    TRANSFERASE, CELL CYCLE, PHOSPHORYLATION, MITOSIS, INHIBITION, CELL   
KEYWDS   2 DIVISION                                                             
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    D.J.PRATT,J.A.ENDICOTT,M.E.M.NOBLE                                    
REVDAT   7   06-MAR-19 1W8C    1       REMARK LINK                              
REVDAT   6   05-JUL-17 1W8C    1       REMARK                                   
REVDAT   5   05-NOV-14 1W8C    1       REMARK SEQRES MODRES HET                 
REVDAT   5 2                   1       HETNAM HETSYN FORMUL LINK                
REVDAT   5 3                   1       HETATM                                   
REVDAT   4   22-JAN-14 1W8C    1       JRNL                                     
REVDAT   3   18-DEC-13 1W8C    1       SOURCE KEYWDS JRNL   REMARK              
REVDAT   3 2                   1       VERSN  HETNAM HETSYN FORMUL              
REVDAT   2   24-FEB-09 1W8C    1       VERSN                                    
REVDAT   1   30-AUG-06 1W8C    0                                                
JRNL        AUTH   B.CARBAIN,D.J.PATERSON,E.ANSCOMBE,A.CAMPBELL-DEXTER,C.CANO,  
JRNL        AUTH 2 A.ECHALIER,J.ENDICOTT,B.T.GOLDING,K.HAGGERTY,I.R.HARDCASTLE, 
JRNL        AUTH 3 P.J.JEWSBURY,D.R.NEWELL,M.NOBLE,C.ROCHE,L.WANG,R.J.GRIFFIN   
JRNL        TITL   8-SUBSTITUTED O6-CYCLOHEXYLMETHYLGUANINE CDK2 INHIBITORS;    
JRNL        TITL 2 USING STRUCTURE-BASED INHIBITOR DESIGN TO OPTIMISE AN        
JRNL        TITL 3 ALTERNATIVE BINDING MODE.                                    
JRNL        REF    J.MED.CHEM.                   V.  57    56 2014              
JRNL        REFN                   ISSN 0022-2623                               
JRNL        PMID   24304238                                                     
JRNL        DOI    10.1021/JM401555V                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.05 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.1.19                                        
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) : 2.05                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 50.64                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 96.8                           
REMARK   3   NUMBER OF REFLECTIONS             : 16566                          
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) : 0.199                           
REMARK   3   R VALUE            (WORKING SET) : 0.196                           
REMARK   3   FREE R VALUE                     : 0.256                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.100                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 888                             
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) : 2.05                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.10                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 1157                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2170                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 60                           
REMARK   3   BIN FREE R VALUE                    : 0.3000                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2345                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 21                                      
REMARK   3   SOLVENT ATOMS            : 150                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 19.80                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.23000                                              
REMARK   3    B22 (A**2) : -1.20000                                             
REMARK   3    B33 (A**2) : 0.96000                                              
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 OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.260         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.211         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.125         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 4.418         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.927                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.878                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  2446 ; 0.014 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  3318 ; 1.504 ; 1.977       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   289 ; 5.649 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   371 ; 0.096 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  1814 ; 0.006 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  1156 ; 0.218 ; 0.200       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):   174 ; 0.157 ; 0.200       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):    59 ; 0.232 ; 0.200       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):    16 ; 0.162 ; 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):  1461 ; 0.875 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  2378 ; 1.579 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):   985 ; 2.321 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):   940 ; 3.682 ; 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  : NULL                                       
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: HYDROGENS HAVE BEEN ADDED IN THE RIDING   
REMARK   3  POSITIONS. RESIDUES 37-43 ARE DISORDERED AND NOT MODELLED           
REMARK   4                                                                      
REMARK   4 1W8C COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 20-SEP-04.                  
REMARK 100 THE DEPOSITION ID IS D_1290021098.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 11-JUN-02                          
REMARK 200  TEMPERATURE           (KELVIN) : 100.0                              
REMARK 200  PH                             : 7.40                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : ROTATING ANODE                     
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : ENRAF-NONIUS FR591                 
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : MAR SCANNER 345 MM PLATE           
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : MOSFLM                             
REMARK 200  DATA SCALING SOFTWARE          : SCALA                              
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 17480                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.050                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 25.160                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 2.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 97.3                               
REMARK 200  DATA REDUNDANCY                : 3.900                              
REMARK 200  R MERGE                    (I) : 0.04000                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 11.1000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.05                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.15                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 95.3                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.90                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.10000                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 5.000                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: NULL                                                  
REMARK 200 STARTING MODEL: UNPUBLISHED DATA                                     
REMARK 200                                                                      
REMARK 200 REMARK: MOLECULAR REPLACEMENT MODEL SIMILAR TO 1E1V                  
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 39.65                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.04                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 50 MM AMMONIUM ACETATE, 10% PEG 3350,    
REMARK 280  25% GLYCEROL, 100 MM HEPES PH 7.4. VAPOUR DIFFUSION, PH 7.40,       
REMARK 280  VAPOR DIFFUSION                                                     
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       26.75250            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       36.04550            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       35.96750            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       36.04550            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       26.75250            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       35.96750            
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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
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 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     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 470                                                                      
REMARK 470 MISSING ATOM                                                         
REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 470 I=INSERTION CODE):                                                   
REMARK 470   M RES CSSEQI  ATOMS                                                
REMARK 470     ARG A  36    CG   CD   NE   CZ   NH1  NH2                        
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  68   CB  -  CG  -  OD2 ANGL. DEV. =   5.6 DEGREES          
REMARK 500    ASP A  86   CB  -  CG  -  OD1 ANGL. DEV. =   5.4 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    GLU A  73       57.55     38.50                                   
REMARK 500    ARG A 126      -17.12     84.89                                   
REMARK 500    ASP A 127       44.53   -140.68                                   
REMARK 500    HIS A 161       -1.77     69.52                                   
REMARK 500    TYR A 179       51.36   -117.84                                   
REMARK 500    PRO A 254       41.31   -104.18                                   
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 N69 A 1301                
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 4CFM   RELATED DB: PDB                                   
REMARK 900 STRUCTURE-BASED DESIGN OF C8-SUBSTITUTED O6-                         
REMARK 900 CYCLOHEXYLMETHOXYGUANINE CDK1 AND 2 INHIBITORS.                      
REMARK 900 RELATED ID: 4CFN   RELATED DB: PDB                                   
REMARK 900 STRUCTURE-BASED DESIGN OF C8-SUBSTITUTED O6-                         
REMARK 900 CYCLOHEXYLMETHOXYGUANINE CDK1 AND 2 INHIBITORS.                      
REMARK 900 RELATED ID: 4CFU   RELATED DB: PDB                                   
REMARK 900 STRUCTURE-BASED DESIGN OF C8-SUBSTITUTED O6-                         
REMARK 900 CYCLOHEXYLMETHOXYGUANINE CDK1 AND 2 INHIBITORS.                      
REMARK 900 RELATED ID: 4CFV   RELATED DB: PDB                                   
REMARK 900 STRUCTURE-BASED DESIGN OF C8-SUBSTITUTED O6-                         
REMARK 900 CYCLOHEXYLMETHOXYGUANINE CDK1 AND 2 INHIBITORS.                      
REMARK 900 RELATED ID: 4CFW   RELATED DB: PDB                                   
REMARK 900 STRUCTURE-BASED DESIGN OF C8-SUBSTITUTED O6-                         
REMARK 900 CYCLOHEXYLMETHOXYGUANINE CDK1 AND 2 INHIBITORS.                      
REMARK 900 RELATED ID: 4CFX   RELATED DB: PDB                                   
REMARK 900 STRUCTURE-BASED DESIGN OF C8-SUBSTITUTED O6-                         
REMARK 900 CYCLOHEXYLMETHOXYGUANINE CDK1 AND 2 INHIBITORS.                      
DBREF  1W8C A    0     0  PDB    1W8C     1W8C             0      0             
DBREF  1W8C A    1   298  UNP    P24941   CDK2_HUMAN       1    298             
SEQRES   1 A  299  ACE MET GLU ASN PHE GLN LYS VAL GLU LYS ILE GLY GLU          
SEQRES   2 A  299  GLY THR TYR GLY VAL VAL TYR LYS ALA ARG ASN LYS LEU          
SEQRES   3 A  299  THR GLY GLU VAL VAL ALA LEU LYS LYS ILE ARG LEU ASP          
SEQRES   4 A  299  THR GLU THR GLU GLY VAL PRO SER THR ALA ILE ARG GLU          
SEQRES   5 A  299  ILE SER LEU LEU LYS GLU LEU ASN HIS PRO ASN ILE VAL          
SEQRES   6 A  299  LYS LEU LEU ASP VAL ILE HIS THR GLU ASN LYS LEU TYR          
SEQRES   7 A  299  LEU VAL PHE GLU PHE LEU HIS GLN ASP LEU LYS LYS PHE          
SEQRES   8 A  299  MET ASP ALA SER ALA LEU THR GLY ILE PRO LEU PRO LEU          
SEQRES   9 A  299  ILE LYS SER TYR LEU PHE GLN LEU LEU GLN GLY LEU ALA          
SEQRES  10 A  299  PHE CYS HIS SER HIS ARG VAL LEU HIS ARG ASP LEU LYS          
SEQRES  11 A  299  PRO GLN ASN LEU LEU ILE ASN THR GLU GLY ALA ILE LYS          
SEQRES  12 A  299  LEU ALA ASP PHE GLY LEU ALA ARG ALA PHE GLY VAL PRO          
SEQRES  13 A  299  VAL ARG THR TYR THR HIS GLU VAL VAL THR LEU TRP TYR          
SEQRES  14 A  299  ARG ALA PRO GLU ILE LEU LEU GLY CSD LYS TYR TYR SER          
SEQRES  15 A  299  THR ALA VAL ASP ILE TRP SER LEU GLY CYS ILE PHE ALA          
SEQRES  16 A  299  GLU MET VAL THR ARG ARG ALA LEU PHE PRO GLY ASP SER          
SEQRES  17 A  299  GLU ILE ASP GLN LEU PHE ARG ILE PHE ARG THR LEU GLY          
SEQRES  18 A  299  THR PRO ASP GLU VAL VAL TRP PRO GLY VAL THR SER MET          
SEQRES  19 A  299  PRO ASP TYR LYS PRO SER PHE PRO LYS TRP ALA ARG GLN          
SEQRES  20 A  299  ASP PHE SER LYS VAL VAL PRO PRO LEU ASP GLU ASP GLY          
SEQRES  21 A  299  ARG SER LEU LEU SER GLN MET LEU HIS TYR ASP PRO ASN          
SEQRES  22 A  299  LYS ARG ILE SER ALA LYS ALA ALA LEU ALA HIS PRO PHE          
SEQRES  23 A  299  PHE GLN ASP VAL THR LYS PRO VAL PRO HIS LEU ARG LEU          
MODRES 1W8C CSD A  177  CYS  3-SULFINOALANINE                                   
HET    ACE  A   0       3                                                       
HET    CSD  A 177       8                                                       
HET    N69  A1301      21                                                       
HETNAM     ACE ACETYL GROUP                                                     
HETNAM     CSD 3-SULFINOALANINE                                                 
HETNAM     N69 6-(CYCLOHEXYLMETHOXY)-8-ISOPROPYL-9H-PURIN-2-AMINE               
HETSYN     CSD S-CYSTEINESULFINIC ACID; S-SULFINOCYSTEINE                       
HETSYN     N69 INHIBITOR OF CDK2                                                
FORMUL   1  ACE    C2 H4 O                                                      
FORMUL   1  CSD    C3 H7 N O4 S                                                 
FORMUL   2  N69    C15 H23 N5 O                                                 
FORMUL   3  HOH   *150(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  HIS A  121  1                                  22    
HELIX    4   4 LYS A  129  GLN A  131  5                                   3    
HELIX    5   5 GLY A  147  GLY A  153  1                                   7    
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  LEU A  267  1                                  12    
HELIX   12  12 SER A  276  ALA A  282  1                                   7    
HELIX   13  13 HIS A  283  GLN A  287  5                                   5    
SHEET    1  AA 5 PHE A   4  GLU A  12  0                                        
SHEET    2  AA 5 VAL A  17  ASN A  23 -1  O  VAL A  18   N  ILE A  10           
SHEET    3  AA 5 VAL A  29  ILE A  35 -1  O  VAL A  30   N  ALA A  21           
SHEET    4  AA 5 LYS A  75  GLU A  81 -1  O  LEU A  76   N  ILE A  35           
SHEET    5  AA 5 LEU A  66  THR A  72 -1  N  LEU A  67   O  VAL A  79           
SHEET    1  AB 3 GLN A  85  ASP A  86  0                                        
SHEET    2  AB 3 LEU A 133  ILE A 135 -1  O  ILE A 135   N  GLN A  85           
SHEET    3  AB 3 ILE A 141  LEU A 143 -1  O  LYS A 142   N  LEU A 134           
LINK         C   ACE A   0                 N   MET A   1     1555   1555  1.33  
LINK         C   GLY A 176                 N   CSD A 177     1555   1555  1.33  
LINK         C   CSD A 177                 N   LYS A 178     1555   1555  1.33  
CISPEP   1 PRO A  253    PRO A  254          0         2.51                     
SITE     1 AC1 11 ILE A  10  ALA A  31  LYS A  33  VAL A  64                    
SITE     2 AC1 11 PHE A  80  GLU A  81  PHE A  82  LEU A  83                    
SITE     3 AC1 11 GLN A  85  GLN A 131  LEU A 134                               
CRYST1   53.505   71.935   72.091  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      0.018690  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.013901  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.013871        0.00000                         
HETATM    1  C   ACE A   0      54.385 -20.869  15.978  1.00 35.08           C  
HETATM    2  O   ACE A   0      53.727 -21.685  16.635  1.00 34.76           O  
HETATM    3  CH3 ACE A   0      55.821 -20.522  16.278  1.00 35.07           C  
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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