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Database: PDB
Entry: 2NO9
LinkDB: 2NO9
Original site: 2NO9 
HEADER    TRANSFERASE                             25-OCT-06   2NO9              
TITLE     THE STRUCTURE OF DEOXYCYTIDINE KINASE COMPLEXED WITH TROXACITABINE AND
TITLE    2 ADP.                                                                 
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: DEOXYCYTIDINE KINASE;                                      
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 SYNONYM: DCK;                                                        
COMPND   5 EC: 2.7.1.74;                                                        
COMPND   6 ENGINEERED: YES;                                                     
COMPND   7 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 GENE: DCK;                                                           
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   9 EXPRESSION_SYSTEM_PLASMID: PET14B                                    
KEYWDS    DCK, TROXACITABINE, HUMAN DEOXYCYTIDINE KINASE, L-DC, ENANTIOMER,     
KEYWDS   2 ANTICANCER, TRANSFERASE                                              
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    E.SABINI,A.LAVIE                                                      
REVDAT   5   30-AUG-23 2NO9    1       REMARK                                   
REVDAT   4   20-OCT-21 2NO9    1       SEQADV                                   
REVDAT   3   03-FEB-21 2NO9    1       JRNL   REMARK                            
REVDAT   2   24-FEB-09 2NO9    1       VERSN                                    
REVDAT   1   13-FEB-07 2NO9    0                                                
JRNL        AUTH   E.SABINI,S.HAZRA,M.KONRAD,S.K.BURLEY,A.LAVIE                 
JRNL        TITL   STRUCTURAL BASIS FOR ACTIVATION OF THE THERAPEUTIC           
JRNL        TITL 2 L-NUCLEOSIDE ANALOGS 3TC AND TROXACITABINE BY HUMAN          
JRNL        TITL 3 DEOXYCYTIDINE KINASE.                                        
JRNL        REF    NUCLEIC ACIDS RES.            V.  35   186 2007              
JRNL        REFN                   ISSN 0305-1048                               
JRNL        PMID   17158155                                                     
JRNL        DOI    10.1093/NAR/GKL1038                                          
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.15 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.2.0019                                      
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.15                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 30.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.8                           
REMARK   3   NUMBER OF REFLECTIONS             : 27466                          
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) : 0.201                           
REMARK   3   R VALUE            (WORKING SET) : 0.195                           
REMARK   3   FREE R VALUE                     : 0.255                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 10.100                          
REMARK   3   FREE R VALUE TEST SET COUNT      : 3070                            
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) : 2.15                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.21                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 2005                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 100.0                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2160                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 235                          
REMARK   3   BIN FREE R VALUE                    : 0.3090                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 3850                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 84                                      
REMARK   3   SOLVENT ATOMS            : 79                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 34.00                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 36.53                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.23000                                              
REMARK   3    B22 (A**2) : -0.70000                                             
REMARK   3    B33 (A**2) : 0.47000                                              
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): 0.258         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.217         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.146         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 5.467         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.948                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.914                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  4033 ; 0.016 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  5483 ; 1.718 ; 1.970       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   466 ; 6.092 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   202 ;39.473 ;24.455       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   681 ;17.245 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    22 ;18.746 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   590 ; 0.112 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  3067 ; 0.007 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  1722 ; 0.209 ; 0.200       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  2761 ; 0.314 ; 0.200       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):   219 ; 0.174 ; 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):    62 ; 0.291 ; 0.200       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):     6 ; 0.251 ; 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):  2402 ; 1.077 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  3770 ; 1.793 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  1923 ; 2.608 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  1713 ; 3.851 ; 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                                                           
REMARK   4                                                                      
REMARK   4 2NO9 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 26-OCT-06.                  
REMARK 100 THE DEPOSITION ID IS D_1000040104.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 20-NOV-05                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : APS                                
REMARK 200  BEAMLINE                       : 22-BM                              
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                  : ROSENBAUM-ROCK MONOCHROMATOR       
REMARK 200                                   HIGH-RESOLUTION DOUBLE-CRYSTAL     
REMARK 200                                   SI (111) SAGITTAL FOCUSING,        
REMARK 200                                   ROSENBAUM-ROCK VERTICAL            
REMARK 200  OPTICS                         : MIRRORS                            
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : MARMOSAIC 225 MM CCD               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XDS                                
REMARK 200  DATA SCALING SOFTWARE          : XSCALE                             
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 30536                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.150                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 30.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : -3.000                             
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.7                               
REMARK 200  DATA REDUNDANCY                : 5.100                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.09900                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 10.9000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.15                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.20                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 100.0                              
REMARK 200  DATA REDUNDANCY IN SHELL       : 5.20                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : 0.51100                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 4.400                              
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: 1P5Z                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 45.63                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.26                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: RESERVOIR CONTAINING 0.95-1.5M           
REMARK 280  TRISODIUM CITRATE DIHYDRATE AND 100MM HEPES, PH 7.5., VAPOR         
REMARK 280  DIFFUSION, HANGING DROP, TEMPERATURE 298K                           
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z+1/2                                             
REMARK 290       3555   -X,Y,-Z+1/2                                             
REMARK 290       4555   X,-Y,-Z                                                 
REMARK 290       5555   X+1/2,Y+1/2,Z                                           
REMARK 290       6555   -X+1/2,-Y+1/2,Z+1/2                                     
REMARK 290       7555   -X+1/2,Y+1/2,-Z+1/2                                     
REMARK 290       8555   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        0.00000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       77.67000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       77.67000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   5  1.000000  0.000000  0.000000       26.42500            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       67.23000            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   6 -1.000000  0.000000  0.000000       26.42500            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       67.23000            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       77.67000            
REMARK 290   SMTRY1   7 -1.000000  0.000000  0.000000       26.42500            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       67.23000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000       77.67000            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000       26.42500            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000       67.23000            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2, 3                                                 
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 5000 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 20430 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -15.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B                                  
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC                 
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 9980 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 40870 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -25.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   2  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   2  0.000000 -1.000000  0.000000      134.46000            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000      155.34000            
REMARK 350 APPLY THE FOLLOWING TO CHAINS: B                                     
REMARK 350   BIOMT1   3  1.000000  0.000000  0.000000       26.42500            
REMARK 350   BIOMT2   3  0.000000  1.000000  0.000000      -67.23000            
REMARK 350   BIOMT3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   4  1.000000  0.000000  0.000000       26.42500            
REMARK 350   BIOMT2   4  0.000000 -1.000000  0.000000      201.69000            
REMARK 350   BIOMT3   4  0.000000  0.000000 -1.000000      155.34000            
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 3                                                       
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC                 
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 11750 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 39100 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -41.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B                                  
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   2  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   2  0.000000 -1.000000  0.000000      134.46000            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000      155.34000            
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   -19                                                      
REMARK 465     GLY A   -18                                                      
REMARK 465     SER A   -17                                                      
REMARK 465     SER A   -16                                                      
REMARK 465     HIS A   -15                                                      
REMARK 465     HIS A   -14                                                      
REMARK 465     HIS A   -13                                                      
REMARK 465     HIS A   -12                                                      
REMARK 465     HIS A   -11                                                      
REMARK 465     HIS A   -10                                                      
REMARK 465     SER A    -9                                                      
REMARK 465     SER A    -8                                                      
REMARK 465     GLY A    -7                                                      
REMARK 465     LEU A    -6                                                      
REMARK 465     VAL A    -5                                                      
REMARK 465     PRO A    -4                                                      
REMARK 465     ARG A    -3                                                      
REMARK 465     GLY A    -2                                                      
REMARK 465     SER A    -1                                                      
REMARK 465     HIS A     0                                                      
REMARK 465     MET A     1                                                      
REMARK 465     ALA A     2                                                      
REMARK 465     THR A     3                                                      
REMARK 465     PRO A     4                                                      
REMARK 465     PRO A     5                                                      
REMARK 465     LYS A     6                                                      
REMARK 465     ARG A     7                                                      
REMARK 465     SER A     8                                                      
REMARK 465     SER A     9                                                      
REMARK 465     PRO A    10                                                      
REMARK 465     SER A    11                                                      
REMARK 465     PHE A    12                                                      
REMARK 465     SER A    13                                                      
REMARK 465     ALA A    14                                                      
REMARK 465     SER A    15                                                      
REMARK 465     SER A    16                                                      
REMARK 465     GLU A    17                                                      
REMARK 465     GLY A    18                                                      
REMARK 465     MET B   -19                                                      
REMARK 465     GLY B   -18                                                      
REMARK 465     SER B   -17                                                      
REMARK 465     SER B   -16                                                      
REMARK 465     HIS B   -15                                                      
REMARK 465     HIS B   -14                                                      
REMARK 465     HIS B   -13                                                      
REMARK 465     HIS B   -12                                                      
REMARK 465     HIS B   -11                                                      
REMARK 465     HIS B   -10                                                      
REMARK 465     SER B    -9                                                      
REMARK 465     SER B    -8                                                      
REMARK 465     GLY B    -7                                                      
REMARK 465     LEU B    -6                                                      
REMARK 465     VAL B    -5                                                      
REMARK 465     PRO B    -4                                                      
REMARK 465     ARG B    -3                                                      
REMARK 465     GLY B    -2                                                      
REMARK 465     SER B    -1                                                      
REMARK 465     HIS B     0                                                      
REMARK 465     MET B     1                                                      
REMARK 465     ALA B     2                                                      
REMARK 465     THR B     3                                                      
REMARK 465     PRO B     4                                                      
REMARK 465     PRO B     5                                                      
REMARK 465     LYS B     6                                                      
REMARK 465     ARG B     7                                                      
REMARK 465     SER B     8                                                      
REMARK 465     SER B     9                                                      
REMARK 465     PRO B    10                                                      
REMARK 465     SER B    11                                                      
REMARK 465     PHE B    12                                                      
REMARK 465     SER B    13                                                      
REMARK 465     ALA B    14                                                      
REMARK 465     SER B    15                                                      
REMARK 465     SER B    16                                                      
REMARK 465     GLU B    17                                                      
REMARK 465     GLY B    18                                                      
REMARK 465     THR B    19                                                      
REMARK 465     SER B    63                                                      
REMARK 465     THR B    64                                                      
REMARK 465     GLN B    65                                                      
REMARK 465     ASP B    66                                                      
REMARK 465     GLU B    67                                                      
REMARK 465     PHE B    68                                                      
REMARK 465     GLU B    69                                                      
REMARK 465     GLU B    70                                                      
REMARK 465     LEU B    71                                                      
REMARK 465     THR B    72                                                      
REMARK 465     MET B    73                                                      
REMARK 465     SER B    74                                                      
REMARK 465     GLN B    75                                                      
REMARK 465     LYS B    76                                                      
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     THR A  19    OG1  CG2                                            
REMARK 470     GLN A  43    CG   CD   OE1  NE2                                  
REMARK 470     GLU A  46    CG   CD   OE1  OE2                                  
REMARK 470     LYS A 117    CG   CD   CE   NZ                                   
REMARK 470     ASP A 118    CG   OD1  OD2                                       
REMARK 470     GLU A 120    CG   CD   OE1  OE2                                  
REMARK 470     LYS A 121    CG   CD   CE   NZ                                   
REMARK 470     SER A 146    OG                                                  
REMARK 470     GLN A 168    CG   CD   OE1  NE2                                  
REMARK 470     TYR A 190    CG   CD1  CD2  CE1  CE2  CZ   OH                    
REMARK 470     GLN A 229    CG   CD   OE1  NE2                                  
REMARK 470     GLU A 251    CG   CD   OE1  OE2                                  
REMARK 470     SER B  45    OG                                                  
REMARK 470     SER B  59    OG                                                  
REMARK 470     LYS B 117    CG   CD   CE   NZ                                   
REMARK 470     ASP B 118    CG   OD1  OD2                                       
REMARK 470     LYS B 121    CG   CD   CE   NZ                                   
REMARK 470     GLN B 168    CG   CD   OE1  NE2                                  
REMARK 470     LYS B 222    CG   CD   CE   NZ                                   
REMARK 470     LYS B 243    CG   CD   CE   NZ                                   
REMARK 470     GLU B 247    CG   CD   OE1  OE2                                  
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   O    HOH A   310     O    HOH A   337              2.15            
REMARK 500   O    SER A    45     O    HOH A   345              2.17            
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  54       44.83    -75.32                                   
REMARK 500    ARG A 128      174.45     64.05                                   
REMARK 500    ILE A 136      -69.12   -107.64                                   
REMARK 500    ASN A 224        2.14    -69.93                                   
REMARK 500    PRO B  54       48.80    -77.44                                   
REMARK 500    LYS B 115      143.57    172.91                                   
REMARK 500    LEU B 116     -125.28     64.85                                   
REMARK 500    LYS B 117      -28.81     50.92                                   
REMARK 500    GLU B 120      -71.99    -50.66                                   
REMARK 500    ARG B 128     -179.43     67.17                                   
REMARK 500    ILE B 136      -68.15   -107.48                                   
REMARK 500    GLN B 165      -88.40    -80.97                                   
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 ADP A 301                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE LTT A 302                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ADP B 301                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE LTT B 302                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1P5Z   RELATED DB: PDB                                   
REMARK 900 WILD TYPE HUMAN DEOXYCYTIDINE KINASE IN COMPLEX WITH CYTARABINE AND  
REMARK 900 ADP-MG                                                               
REMARK 900 RELATED ID: 1P60   RELATED DB: PDB                                   
REMARK 900 WILD TYPE HUMAN DEOXYCYTIDINE KINASE IN COMPLEX WITH DEOXYCYTIDINE   
REMARK 900 AND ADP                                                              
REMARK 900 RELATED ID: 1P61   RELATED DB: PDB                                   
REMARK 900 WILD TYPE HUMAN DEOXYCYTIDINE KINASE IN COMPLEX WITH DEOXYCYTIDINE   
REMARK 900 AND ADP                                                              
REMARK 900 RELATED ID: 1P62   RELATED DB: PDB                                   
REMARK 900 WILD TYPE HUMAN DEOXYCYTIDINE KINASE IN COMPLEX WITH GEMCITABINE     
REMARK 900 AND ADP-MG                                                           
REMARK 900 RELATED ID: 2A2Z   RELATED DB: PDB                                   
REMARK 900 INSERT-DELETION MUTANT OF HUMAN DEOXYCYTIDINE KINASE IN COMPLEX      
REMARK 900 WITH DEOXYCYTIDINE AND UDP                                           
REMARK 900 RELATED ID: 2A30   RELATED DB: PDB                                   
REMARK 900 INSERT-DELETION MUTANT OF HUMAN DEOXYCYTIDINE KINASE IN COMPLEX      
REMARK 900 WITH DEOXYCYTIDINE                                                   
REMARK 900 RELATED ID: 2NO0   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 2NO1   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 1NO6   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 2NO7   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 2NOA   RELATED DB: PDB                                   
DBREF  2NO9 A    1   260  UNP    P27707   DCK_HUMAN        1    260             
DBREF  2NO9 B    1   260  UNP    P27707   DCK_HUMAN        1    260             
SEQADV 2NO9 MET A  -19  UNP  P27707              CLONING ARTIFACT               
SEQADV 2NO9 GLY A  -18  UNP  P27707              CLONING ARTIFACT               
SEQADV 2NO9 SER A  -17  UNP  P27707              CLONING ARTIFACT               
SEQADV 2NO9 SER A  -16  UNP  P27707              CLONING ARTIFACT               
SEQADV 2NO9 HIS A  -15  UNP  P27707              CLONING ARTIFACT               
SEQADV 2NO9 HIS A  -14  UNP  P27707              CLONING ARTIFACT               
SEQADV 2NO9 HIS A  -13  UNP  P27707              CLONING ARTIFACT               
SEQADV 2NO9 HIS A  -12  UNP  P27707              CLONING ARTIFACT               
SEQADV 2NO9 HIS A  -11  UNP  P27707              CLONING ARTIFACT               
SEQADV 2NO9 HIS A  -10  UNP  P27707              CLONING ARTIFACT               
SEQADV 2NO9 SER A   -9  UNP  P27707              CLONING ARTIFACT               
SEQADV 2NO9 SER A   -8  UNP  P27707              CLONING ARTIFACT               
SEQADV 2NO9 GLY A   -7  UNP  P27707              CLONING ARTIFACT               
SEQADV 2NO9 LEU A   -6  UNP  P27707              CLONING ARTIFACT               
SEQADV 2NO9 VAL A   -5  UNP  P27707              CLONING ARTIFACT               
SEQADV 2NO9 PRO A   -4  UNP  P27707              CLONING ARTIFACT               
SEQADV 2NO9 ARG A   -3  UNP  P27707              CLONING ARTIFACT               
SEQADV 2NO9 GLY A   -2  UNP  P27707              CLONING ARTIFACT               
SEQADV 2NO9 SER A   -1  UNP  P27707              CLONING ARTIFACT               
SEQADV 2NO9 HIS A    0  UNP  P27707              CLONING ARTIFACT               
SEQADV 2NO9 SER A    9  UNP  P27707    CYS     9 ENGINEERED MUTATION            
SEQADV 2NO9 SER A   45  UNP  P27707    CYS    45 ENGINEERED MUTATION            
SEQADV 2NO9 SER A   59  UNP  P27707    CYS    59 ENGINEERED MUTATION            
SEQADV 2NO9 SER A  146  UNP  P27707    CYS   146 ENGINEERED MUTATION            
SEQADV 2NO9 MET B  -19  UNP  P27707              CLONING ARTIFACT               
SEQADV 2NO9 GLY B  -18  UNP  P27707              CLONING ARTIFACT               
SEQADV 2NO9 SER B  -17  UNP  P27707              CLONING ARTIFACT               
SEQADV 2NO9 SER B  -16  UNP  P27707              CLONING ARTIFACT               
SEQADV 2NO9 HIS B  -15  UNP  P27707              CLONING ARTIFACT               
SEQADV 2NO9 HIS B  -14  UNP  P27707              CLONING ARTIFACT               
SEQADV 2NO9 HIS B  -13  UNP  P27707              CLONING ARTIFACT               
SEQADV 2NO9 HIS B  -12  UNP  P27707              CLONING ARTIFACT               
SEQADV 2NO9 HIS B  -11  UNP  P27707              CLONING ARTIFACT               
SEQADV 2NO9 HIS B  -10  UNP  P27707              CLONING ARTIFACT               
SEQADV 2NO9 SER B   -9  UNP  P27707              CLONING ARTIFACT               
SEQADV 2NO9 SER B   -8  UNP  P27707              CLONING ARTIFACT               
SEQADV 2NO9 GLY B   -7  UNP  P27707              CLONING ARTIFACT               
SEQADV 2NO9 LEU B   -6  UNP  P27707              CLONING ARTIFACT               
SEQADV 2NO9 VAL B   -5  UNP  P27707              CLONING ARTIFACT               
SEQADV 2NO9 PRO B   -4  UNP  P27707              CLONING ARTIFACT               
SEQADV 2NO9 ARG B   -3  UNP  P27707              CLONING ARTIFACT               
SEQADV 2NO9 GLY B   -2  UNP  P27707              CLONING ARTIFACT               
SEQADV 2NO9 SER B   -1  UNP  P27707              CLONING ARTIFACT               
SEQADV 2NO9 HIS B    0  UNP  P27707              CLONING ARTIFACT               
SEQADV 2NO9 SER B    9  UNP  P27707    CYS     9 ENGINEERED MUTATION            
SEQADV 2NO9 SER B   45  UNP  P27707    CYS    45 ENGINEERED MUTATION            
SEQADV 2NO9 SER B   59  UNP  P27707    CYS    59 ENGINEERED MUTATION            
SEQADV 2NO9 SER B  146  UNP  P27707    CYS   146 ENGINEERED MUTATION            
SEQRES   1 A  280  MET GLY SER SER HIS HIS HIS HIS HIS HIS SER SER GLY          
SEQRES   2 A  280  LEU VAL PRO ARG GLY SER HIS MET ALA THR PRO PRO LYS          
SEQRES   3 A  280  ARG SER SER PRO SER PHE SER ALA SER SER GLU GLY THR          
SEQRES   4 A  280  ARG ILE LYS LYS ILE SER ILE GLU GLY ASN ILE ALA ALA          
SEQRES   5 A  280  GLY LYS SER THR PHE VAL ASN ILE LEU LYS GLN LEU SER          
SEQRES   6 A  280  GLU ASP TRP GLU VAL VAL PRO GLU PRO VAL ALA ARG TRP          
SEQRES   7 A  280  SER ASN VAL GLN SER THR GLN ASP GLU PHE GLU GLU LEU          
SEQRES   8 A  280  THR MET SER GLN LYS ASN GLY GLY ASN VAL LEU GLN MET          
SEQRES   9 A  280  MET TYR GLU LYS PRO GLU ARG TRP SER PHE THR PHE GLN          
SEQRES  10 A  280  THR TYR ALA CYS LEU SER ARG ILE ARG ALA GLN LEU ALA          
SEQRES  11 A  280  SER LEU ASN GLY LYS LEU LYS ASP ALA GLU LYS PRO VAL          
SEQRES  12 A  280  LEU PHE PHE GLU ARG SER VAL TYR SER ASP ARG TYR ILE          
SEQRES  13 A  280  PHE ALA SER ASN LEU TYR GLU SER GLU SER MET ASN GLU          
SEQRES  14 A  280  THR GLU TRP THR ILE TYR GLN ASP TRP HIS ASP TRP MET          
SEQRES  15 A  280  ASN ASN GLN PHE GLY GLN SER LEU GLU LEU ASP GLY ILE          
SEQRES  16 A  280  ILE TYR LEU GLN ALA THR PRO GLU THR CYS LEU HIS ARG          
SEQRES  17 A  280  ILE TYR LEU ARG GLY ARG ASN GLU GLU GLN GLY ILE PRO          
SEQRES  18 A  280  LEU GLU TYR LEU GLU LYS LEU HIS TYR LYS HIS GLU SER          
SEQRES  19 A  280  TRP LEU LEU HIS ARG THR LEU LYS THR ASN PHE ASP TYR          
SEQRES  20 A  280  LEU GLN GLU VAL PRO ILE LEU THR LEU ASP VAL ASN GLU          
SEQRES  21 A  280  ASP PHE LYS ASP LYS TYR GLU SER LEU VAL GLU LYS VAL          
SEQRES  22 A  280  LYS GLU PHE LEU SER THR LEU                                  
SEQRES   1 B  280  MET GLY SER SER HIS HIS HIS HIS HIS HIS SER SER GLY          
SEQRES   2 B  280  LEU VAL PRO ARG GLY SER HIS MET ALA THR PRO PRO LYS          
SEQRES   3 B  280  ARG SER SER PRO SER PHE SER ALA SER SER GLU GLY THR          
SEQRES   4 B  280  ARG ILE LYS LYS ILE SER ILE GLU GLY ASN ILE ALA ALA          
SEQRES   5 B  280  GLY LYS SER THR PHE VAL ASN ILE LEU LYS GLN LEU SER          
SEQRES   6 B  280  GLU ASP TRP GLU VAL VAL PRO GLU PRO VAL ALA ARG TRP          
SEQRES   7 B  280  SER ASN VAL GLN SER THR GLN ASP GLU PHE GLU GLU LEU          
SEQRES   8 B  280  THR MET SER GLN LYS ASN GLY GLY ASN VAL LEU GLN MET          
SEQRES   9 B  280  MET TYR GLU LYS PRO GLU ARG TRP SER PHE THR PHE GLN          
SEQRES  10 B  280  THR TYR ALA CYS LEU SER ARG ILE ARG ALA GLN LEU ALA          
SEQRES  11 B  280  SER LEU ASN GLY LYS LEU LYS ASP ALA GLU LYS PRO VAL          
SEQRES  12 B  280  LEU PHE PHE GLU ARG SER VAL TYR SER ASP ARG TYR ILE          
SEQRES  13 B  280  PHE ALA SER ASN LEU TYR GLU SER GLU SER MET ASN GLU          
SEQRES  14 B  280  THR GLU TRP THR ILE TYR GLN ASP TRP HIS ASP TRP MET          
SEQRES  15 B  280  ASN ASN GLN PHE GLY GLN SER LEU GLU LEU ASP GLY ILE          
SEQRES  16 B  280  ILE TYR LEU GLN ALA THR PRO GLU THR CYS LEU HIS ARG          
SEQRES  17 B  280  ILE TYR LEU ARG GLY ARG ASN GLU GLU GLN GLY ILE PRO          
SEQRES  18 B  280  LEU GLU TYR LEU GLU LYS LEU HIS TYR LYS HIS GLU SER          
SEQRES  19 B  280  TRP LEU LEU HIS ARG THR LEU LYS THR ASN PHE ASP TYR          
SEQRES  20 B  280  LEU GLN GLU VAL PRO ILE LEU THR LEU ASP VAL ASN GLU          
SEQRES  21 B  280  ASP PHE LYS ASP LYS TYR GLU SER LEU VAL GLU LYS VAL          
SEQRES  22 B  280  LYS GLU PHE LEU SER THR LEU                                  
HET    ADP  A 301      27                                                       
HET    LTT  A 302      15                                                       
HET    ADP  B 301      27                                                       
HET    LTT  B 302      15                                                       
HETNAM     ADP ADENOSINE-5'-DIPHOSPHATE                                         
HETNAM     LTT 4-AMINO-1-[(2S,4S)-2-(HYDROXYMETHYL)-1,3-DIOXOLAN-4-             
HETNAM   2 LTT  YL]PYRIMIDIN-2(1H)-ONE                                          
HETSYN     LTT (-)-L-2',3'-DIDEOXY-3'-OXACYTIDINE; TROXACITABINE;               
HETSYN   2 LTT  TROXATYL                                                        
FORMUL   3  ADP    2(C10 H15 N5 O10 P2)                                         
FORMUL   4  LTT    2(C8 H11 N3 O4)                                              
FORMUL   7  HOH   *79(H2 O)                                                     
HELIX    1   1 GLY A   33  LYS A   42  1                                  10    
HELIX    2   2 GLN A   43  SER A   45  5                                   3    
HELIX    3   3 PRO A   54  ASN A   60  1                                   7    
HELIX    4   4 PHE A   68  THR A   72  5                                   5    
HELIX    5   5 ASN A   80  LYS A   88  1                                   9    
HELIX    6   6 LYS A   88  LYS A  115  1                                  28    
HELIX    7   7 SER A  129  ILE A  136  1                                   8    
HELIX    8   8 ILE A  136  SER A  144  1                                   9    
HELIX    9   9 ASN A  148  GLY A  167  1                                  20    
HELIX   10  10 THR A  181  GLY A  193  1                                  13    
HELIX   11  11 ARG A  194  GLN A  198  5                                   5    
HELIX   12  12 PRO A  201  LEU A  217  1                                  17    
HELIX   13  13 PHE A  225  GLU A  230  5                                   6    
HELIX   14  14 ASP A  241  ASP A  244  5                                   4    
HELIX   15  15 LYS A  245  LEU A  260  1                                  16    
HELIX   16  16 GLY B   33  LYS B   42  1                                  10    
HELIX   17  17 GLN B   43  SER B   45  5                                   3    
HELIX   18  18 PRO B   54  ASN B   60  1                                   7    
HELIX   19  19 ASN B   80  LYS B   88  1                                   9    
HELIX   20  20 LYS B   88  GLY B  114  1                                  27    
HELIX   21  21 SER B  129  ILE B  136  1                                   8    
HELIX   22  22 ILE B  136  SER B  144  1                                   9    
HELIX   23  23 ASN B  148  GLY B  167  1                                  20    
HELIX   24  24 THR B  181  GLY B  193  1                                  13    
HELIX   25  25 ARG B  194  GLN B  198  5                                   5    
HELIX   26  26 PRO B  201  LEU B  217  1                                  17    
HELIX   27  27 PHE B  225  VAL B  231  5                                   7    
HELIX   28  28 LYS B  245  LEU B  260  1                                  16    
SHEET    1   A 5 TRP A  48  VAL A  51  0                                        
SHEET    2   A 5 VAL A 123  GLU A 127  1  O  PHE A 125   N  GLU A  49           
SHEET    3   A 5 LYS A  22  GLU A  27  1  N  ILE A  26   O  PHE A 126           
SHEET    4   A 5 GLY A 174  GLN A 179  1  O  ILE A 176   N  SER A  25           
SHEET    5   A 5 ILE A 233  ASP A 237  1  O  LEU A 234   N  TYR A 177           
SHEET    1   B 5 TRP B  48  VAL B  51  0                                        
SHEET    2   B 5 VAL B 123  GLU B 127  1  O  PHE B 125   N  GLU B  49           
SHEET    3   B 5 LYS B  22  GLU B  27  1  N  LYS B  22   O  LEU B 124           
SHEET    4   B 5 GLY B 174  GLN B 179  1  O  ILE B 176   N  GLU B  27           
SHEET    5   B 5 ILE B 233  ASP B 237  1  O  LEU B 234   N  TYR B 177           
SITE     1 AC1 17 ALA A  31  ALA A  32  GLY A  33  LYS A  34                    
SITE     2 AC1 17 SER A  35  THR A  36  ARG A 188  ARG A 192                    
SITE     3 AC1 17 GLU A 240  ASP A 241  PHE A 242  HOH A 314                    
SITE     4 AC1 17 HOH A 319  HOH A 326  HOH A 338  ASP B 241                    
SITE     5 AC1 17 PHE B 242                                                     
SITE     1 AC2 13 ILE A  30  GLU A  53  TRP A  58  LEU A  82                    
SITE     2 AC2 13 TYR A  86  PHE A  96  GLN A  97  ARG A 128                    
SITE     3 AC2 13 ASP A 133  PHE A 137  HOH A 308  HOH A 326                    
SITE     4 AC2 13 HOH A 350                                                     
SITE     1 AC3 16 ASP A 241  LYS A 243  ALA B  31  ALA B  32                    
SITE     2 AC3 16 GLY B  33  LYS B  34  SER B  35  THR B  36                    
SITE     3 AC3 16 ARG B 188  ARG B 192  GLU B 240  ASP B 241                    
SITE     4 AC3 16 PHE B 242  TYR B 246  HOH B 310  HOH B 329                    
SITE     1 AC4  9 GLU B  53  LEU B  82  TYR B  86  PHE B  96                    
SITE     2 AC4  9 GLN B  97  ARG B 128  ASP B 133  PHE B 137                    
SITE     3 AC4  9 HOH B 322                                                     
CRYST1   52.850  134.460  155.340  90.00  90.00  90.00 C 2 2 21     16          
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      0.018921  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.007437  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.006437        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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