HEADER    TRANSFERASE                             10-OCT-00   1E9B              
TITLE     HUMAN THYMIDYLATE KINASE COMPLEXED WITH AZTMP AND APPNP               
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: THYMIDYLATE KINASE;                                        
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: DTMP KINASE;                                                
COMPND   5 EC: 2.7.4.9;                                                         
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 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562                                         
KEYWDS    PHOSPHOTRANSFERASE, THYMIDYLATE KINASE, P-LOOP, TRANSFERASE           
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    N.OSTERMANN,A.LAVIE,S.PADIYAR,R.BRUNDIERS,T.VEIT,J.REINTEIN,          
AUTHOR   2 R.S.GOODY,M.KONRAD,I.SCHLICHTING                                     
REVDAT   7   08-MAY-24 1E9B    1       REMARK LINK                              
REVDAT   6   24-JUL-19 1E9B    1       REMARK                                   
REVDAT   5   06-MAR-19 1E9B    1       REMARK                                   
REVDAT   4   19-FEB-14 1E9B    1       HEADER KEYWDS REMARK VERSN               
REVDAT   4 2                   1       SEQADV FORMUL LINK   SITE                
REVDAT   3   24-FEB-09 1E9B    1       VERSN                                    
REVDAT   2   01-AUG-03 1E9B    1       REMARK LINK   HETATM CONECT              
REVDAT   1   05-OCT-01 1E9B    0                                                
JRNL        AUTH   N.OSTERMANN,A.LAVIE,S.PADIYAR,R.BRUNDIERS,T.VEIT,J.REINTEIN, 
JRNL        AUTH 2 R.S.GOODY,M.KONRAD,I.SCHLICHTING                             
JRNL        TITL   POTENTIATING AZT ACTIVATION: STRUCTURES OF WILDTYPE AND      
JRNL        TITL 2 MUTANT HUMAN THYMIDYLATE KINASE SUGGEST REASONS FOR THE      
JRNL        TITL 3 MUTANTS' IMPROVED KINETICS WITH THE HIV PRODRUG METABOLITE   
JRNL        TITL 4 AZTMP                                                        
JRNL        REF    J.MOL.BIOL.                   V. 304    43 2000              
JRNL        REFN                   ISSN 0022-2836                               
JRNL        PMID   11071809                                                     
JRNL        DOI    10.1006/JMBI.2000.4175                                       
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   N.OSTERMANN,I.SCHLICHTING,R.BRUNDIERS,M.KONRAD,J.REINSTEIN,  
REMARK   1  AUTH 2 T.VEIT,R.S.GOODY,A.LAVIE                                     
REMARK   1  TITL   INSIGHTS INTO THE PHOSPHORYLTRANSFER MECHANISM OF HUMAN      
REMARK   1  TITL 2 THYMIDYLATE KINASE GAINED FROM CRYSTAL STRUCTURES OF ENZYME  
REMARK   1  TITL 3 COMPLEXES ALONG THE REACTION COORDINATE.                     
REMARK   1  REF    STRUCTURE                     V.   8   629 2000              
REMARK   1  REFN                   ISSN 0969-2126                               
REMARK   1  PMID   10873853                                                     
REMARK   1  DOI    10.1016/S0969-2126(00)00149-0                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.70 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC                                               
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.70                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 44.50                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 98.9                           
REMARK   3   NUMBER OF REFLECTIONS             : 28031                          
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) : NULL                            
REMARK   3   R VALUE            (WORKING SET) : 0.186                           
REMARK   3   FREE R VALUE                     : 0.230                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 11.000                          
REMARK   3   FREE R VALUE TEST SET COUNT      : 2784                            
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1644                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 83                                      
REMARK   3   SOLVENT ATOMS            : 296                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : NULL                           
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): NULL          
REMARK   3   ESU BASED ON FREE R VALUE                       (A): NULL          
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): NULL          
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): NULL          
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   DISTANCE RESTRAINTS.                    RMS    SIGMA               
REMARK   3    BOND LENGTH                     (A) : 0.011 ; NULL                
REMARK   3    ANGLE DISTANCE                  (A) : 1.700 ; NULL                
REMARK   3    INTRAPLANAR 1-4 DISTANCE        (A) : NULL  ; NULL                
REMARK   3    H-BOND OR METAL COORDINATION    (A) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   PLANE RESTRAINT                  (A) : NULL  ; NULL                
REMARK   3   CHIRAL-CENTER RESTRAINT       (A**3) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   NON-BONDED CONTACT RESTRAINTS.                                     
REMARK   3    SINGLE TORSION                  (A) : NULL  ; NULL                
REMARK   3    MULTIPLE TORSION                (A) : NULL  ; NULL                
REMARK   3    H-BOND (X...Y)                  (A) : NULL  ; NULL                
REMARK   3    H-BOND (X-H...Y)                (A) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   CONFORMATIONAL TORSION ANGLE RESTRAINTS.                           
REMARK   3    SPECIFIED                 (DEGREES) : NULL  ; NULL                
REMARK   3    PLANAR                    (DEGREES) : NULL  ; NULL                
REMARK   3    STAGGERED                 (DEGREES) : NULL  ; NULL                
REMARK   3    TRANSVERSE                (DEGREES) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1E9B COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 10-OCT-00.                  
REMARK 100 THE DEPOSITION ID IS D_1290005432.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : NULL                               
REMARK 200  TEMPERATURE           (KELVIN) : 100.0                              
REMARK 200  PH                             : 8.00                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : EMBL/DESY, HAMBURG                 
REMARK 200  BEAMLINE                       : X11                                
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.9076                             
REMARK 200  MONOCHROMATOR                  : YES                                
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : NULL                               
REMARK 200  DETECTOR MANUFACTURER          : NULL                               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XDS                                
REMARK 200  DATA SCALING SOFTWARE          : XSCALE                             
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 28032                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.700                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 44.500                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 98.9                               
REMARK 200  DATA REDUNDANCY                : 5.600                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.03900                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 21.0000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.70                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.80                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 95.6                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 4.60                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : 0.24500                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 5.300                              
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: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 52.47                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.59                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: VAPOR DIFFUSION AT 293 K MIXING 2        
REMARK 280  MICROLITERS OF A SOLUTION CONTAINING THE ENZYME, NUCLEOTIDES,       
REMARK 280  AND 50 MM MGCL2 WITH 2 MICROLITERS OF A SOLUTION CONTAINING 21%     
REMARK 280  PEG 3350, 100 MM TRIS HCL PH 8.0 AND 50 MICROLITERS OF DEAD SEA     
REMARK 280  WATER., PH 8.00                                                     
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 43 21 2                        
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   -Y+1/2,X+1/2,Z+3/4                                      
REMARK 290       4555   Y+1/2,-X+1/2,Z+1/4                                      
REMARK 290       5555   -X+1/2,Y+1/2,-Z+3/4                                     
REMARK 290       6555   X+1/2,-Y+1/2,-Z+1/4                                     
REMARK 290       7555   Y,X,-Z                                                  
REMARK 290       8555   -Y,-X,-Z+1/2                                            
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       24.85000            
REMARK 290   SMTRY1   3  0.000000 -1.000000  0.000000       50.05000            
REMARK 290   SMTRY2   3  1.000000  0.000000  0.000000       50.05000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       37.27500            
REMARK 290   SMTRY1   4  0.000000  1.000000  0.000000       50.05000            
REMARK 290   SMTRY2   4 -1.000000  0.000000  0.000000       50.05000            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000       12.42500            
REMARK 290   SMTRY1   5 -1.000000  0.000000  0.000000       50.05000            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       50.05000            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000       37.27500            
REMARK 290   SMTRY1   6  1.000000  0.000000  0.000000       50.05000            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       50.05000            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000       12.42500            
REMARK 290   SMTRY1   7  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   7  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   8  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   8 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000       24.85000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PQS                                                   
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   2  0.000000 -1.000000  0.000000      100.10000            
REMARK 350   BIOMT2   2 -1.000000  0.000000  0.000000      100.10000            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000       24.85000            
REMARK 375                                                                      
REMARK 375 SPECIAL POSITION                                                     
REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS            
REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL          
REMARK 375 POSITIONS.                                                           
REMARK 375                                                                      
REMARK 375 ATOM RES CSSEQI                                                      
REMARK 375 MG    MG A 402  LIES ON A SPECIAL POSITION.                          
REMARK 400                                                                      
REMARK 400 COMPOUND                                                             
REMARK 400 CHAIN A - ENGINEERED MUTATION ARG200ALA                              
REMARK 400  CHAIN A - (GLY SER HIS) INSERTED AT THE N-TERMINUS                  
REMARK 400  CONVERSION OF DTMP TO DTDP                                          
REMARK 400  ATP + THYMIDINE 5'-MONOPHOSPHATE = ADP + THYMIDINE 5'-DIPHOSPHATE.  
REMARK 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465     GLY A    -3                                                      
REMARK 465     SER A    -2                                                      
REMARK 465     HIS A    -1                                                      
REMARK 465     MET A     1                                                      
REMARK 465     ALA A     2                                                      
REMARK 465     ALA A     3                                                      
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     LYS A 142    CG   CD   CE   NZ                                   
REMARK 470     HIS A 148    CG   ND1  CD2  CE1  NE2                             
REMARK 470     LYS A 212    O                                                   
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  2002     O    HOH A  2004              1.83            
REMARK 500   O    HOH A  2112     O    HOH A  2113              2.05            
REMARK 500   O    HOH A  2194     O    HOH A  2196              2.17            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   O    HOH A  2255     O    HOH A  2277     3554     2.05            
REMARK 500   O    HOH A  2079     O    HOH A  2260     4455     2.18            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500    ARG A   4   CD  -  NE  -  CZ  ANGL. DEV. =   8.6 DEGREES          
REMARK 500    ARG A   5   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.2 DEGREES          
REMARK 500    ARG A  41   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.1 DEGREES          
REMARK 500    ARG A  76   NE  -  CZ  -  NH1 ANGL. DEV. =   3.1 DEGREES          
REMARK 500    ARG A  97   NE  -  CZ  -  NH1 ANGL. DEV. =   3.2 DEGREES          
REMARK 500    ARG A  97   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.4 DEGREES          
REMARK 500    ARG A 143   NE  -  CZ  -  NH1 ANGL. DEV. =  -3.5 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    ARG A  97      147.61     73.17                                   
REMARK 500    TYR A  98     -145.99   -151.64                                   
REMARK 500    ARG A 143       48.80    -94.82                                   
REMARK 500    TYR A 151       -3.56     78.24                                   
REMARK 500    THR A 203        4.55    -60.77                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 525                                                                      
REMARK 525 SOLVENT                                                              
REMARK 525                                                                      
REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT                    
REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST                  
REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT                 
REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE                       
REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER;                             
REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE                  
REMARK 525 NUMBER; I=INSERTION CODE):                                           
REMARK 525                                                                      
REMARK 525  M RES CSSEQI                                                        
REMARK 525    HOH A2013        DISTANCE =  6.78 ANGSTROMS                       
REMARK 525    HOH A2109        DISTANCE =  6.80 ANGSTROMS                       
REMARK 620                                                                      
REMARK 620 METAL COORDINATION                                                   
REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG A 401  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 SER A  20   OG                                                     
REMARK 620 2 ADP A 302   O2B  90.1                                              
REMARK 620 3 ANP A 303   O2B  96.4   6.7                                        
REMARK 620 4 ANP A 303   O3G 168.4  83.7  77.9                                  
REMARK 620 5 HOH A2030   O    83.6 172.4 173.7 103.2                            
REMARK 620 6 HOH A2148   O    85.3  97.1  99.8  85.7  86.5                      
REMARK 620 7 HOH A2283   O    91.8  88.9  86.5  97.9  87.1 173.2                
REMARK 620 8 HOH A2289   O   172.7  96.2  89.7  18.5  89.9  97.7  84.6          
REMARK 620 N                    1     2     3     4     5     6     7           
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG A 402  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HOH A2078   O                                                      
REMARK 620 2 HOH A2078   O    84.2                                              
REMARK 620 3 HOH A2162   O    92.8  86.9                                        
REMARK 620 4 HOH A2162   O    87.5  88.4 175.2                                  
REMARK 620 5 HOH A2163   O    92.9 176.1  90.7  94.1                            
REMARK 620 6 HOH A2163   O   169.3  87.2  93.1  85.9  95.9                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 401                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 402                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ATM A 301                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ADP A 302                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ANP A 303                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1E2D   RELATED DB: PDB                                   
REMARK 900 HUMAN THYMIDYLATE KINASE COMPLEXED WITH THYMIDINE MONOPHOSPHATE,     
REMARK 900 ADENOSINE DIPHOSPHATE AND A MAGNESIUM-ION                            
REMARK 900 RELATED ID: 1E2E   RELATED DB: PDB                                   
REMARK 900 HUMAN THYMIDYLATE KINASE COMPLEXED WITH THYMIDINE MONOPHOSPHATE,     
REMARK 900 ADENOSINE DIPHOSPHATE,A MAGNESIUM-ION AND ALF3                       
REMARK 900 RELATED ID: 1E2F   RELATED DB: PDB                                   
REMARK 900 HUMAN THYMIDYLATE KINASE COMPLEXED WITH THYMIDINE MONOPHOSPHATE,     
REMARK 900 ADENOSINE DIPHOSPHATE AND A MAGNESIUM-ION                            
REMARK 900 RELATED ID: 1E2G   RELATED DB: PDB                                   
REMARK 900 HUMAN THYMIDYLATE KINASE COMPLEXED WITH ADP, TDP AND A MAGNESIUM-ION 
REMARK 900 RELATED ID: 1E2Q   RELATED DB: PDB                                   
REMARK 900 HUMAN THYMIDYLATE KINASE COMPLEXED WITH TP5A AND A MAGNESIUM-ION     
REMARK 900 RELATED ID: 1E98   RELATED DB: PDB                                   
REMARK 900 WILD TYPE HUMAN THYMIDYLATE KINASE COMPLEXED WITH AZTMP AND ADP      
REMARK 900 RELATED ID: 1E99   RELATED DB: PDB                                   
REMARK 900 HUMAN THYMIDYLATE KINASE COMPLEXED WITH AZTMP AND ADP                
REMARK 900 RELATED ID: 1E9A   RELATED DB: PDB                                   
REMARK 900 HUMAN THYMIDYLATE KINASE COMPLEXED WITH THE BISUBSTRATE INHIBITOR    
REMARK 900 AZTP5A                                                               
REMARK 900 RELATED ID: 1E9C   RELATED DB: PDB                                   
REMARK 900 MUTANT HUMAN THYMIDYLATE KINASE COMPLEXED WITH TMP AND APPNP         
REMARK 900 RELATED ID: 1E9D   RELATED DB: PDB                                   
REMARK 900 MUTANT HUMAN THYMIDYLATE KINASE (F105Y) COMPLEXED WITH AZTMP AND ADP 
REMARK 900 RELATED ID: 1E9E   RELATED DB: PDB                                   
REMARK 900 MUTANT HUMAN THYMIDYLATE KINASE (F105Y) COMPLEXED WITH DTMP AND ADP  
REMARK 900 RELATED ID: 1E9F   RELATED DB: PDB                                   
REMARK 900 MUTANT HUMAN THYMIDYLATE KINASE COMPLEXED WITH TMP AND ADP           
REMARK 999                                                                      
REMARK 999 SEQUENCE                                                             
REMARK 999 SAMPLE COMTAINS SER183, ILE184, ASP190, AND A ILE191                 
REMARK 999 (CONFIRMED BY THE DNA SEQUENCE AND ELECTRON DENSITY OF               
REMARK 999 SIDE-CHAINS). POSSIBLE ERROR IN SWISSPROT ENTRY.                     
DBREF  1E9B A   -3    -1  PDB    1E9B     1E9B            -3     -1             
DBREF  1E9B A    1   212  UNP    P23919   KTHY_HUMAN       1    212             
SEQADV 1E9B ALA A  200  UNP  P23919    ARG   200 ENGINEERED MUTATION            
SEQADV 1E9B SER A  183  UNP  P23919    ARG   183 CONFLICT                       
SEQADV 1E9B ASP A  190  UNP  P23919    GLU   190 CONFLICT                       
SEQADV 1E9B ILE A  184  UNP  P23919    LEU   184 CONFLICT                       
SEQADV 1E9B ILE A  191  UNP  P23919    LEU   191 CONFLICT                       
SEQRES   1 A  215  GLY SER HIS MET ALA ALA ARG ARG GLY ALA LEU ILE VAL          
SEQRES   2 A  215  LEU GLU GLY VAL ASP ARG ALA GLY LYS SER THR GLN SER          
SEQRES   3 A  215  ARG LYS LEU VAL GLU ALA LEU CYS ALA ALA GLY HIS ARG          
SEQRES   4 A  215  ALA GLU LEU LEU ARG PHE PRO GLU ARG SER THR GLU ILE          
SEQRES   5 A  215  GLY LYS LEU LEU SER SER TYR LEU GLN LYS LYS SER ASP          
SEQRES   6 A  215  VAL GLU ASP HIS SER VAL HIS LEU LEU PHE SER ALA ASN          
SEQRES   7 A  215  ARG TRP GLU GLN VAL PRO LEU ILE LYS GLU LYS LEU SER          
SEQRES   8 A  215  GLN GLY VAL THR LEU VAL VAL ASP ARG TYR ALA PHE SER          
SEQRES   9 A  215  GLY VAL ALA PHE THR GLY ALA LYS GLU ASN PHE SER LEU          
SEQRES  10 A  215  ASP TRP CYS LYS GLN PRO ASP VAL GLY LEU PRO LYS PRO          
SEQRES  11 A  215  ASP LEU VAL LEU PHE LEU GLN LEU GLN LEU ALA ASP ALA          
SEQRES  12 A  215  ALA LYS ARG GLY ALA PHE GLY HIS GLU ARG TYR GLU ASN          
SEQRES  13 A  215  GLY ALA PHE GLN GLU ARG ALA LEU ARG CYS PHE HIS GLN          
SEQRES  14 A  215  LEU MET LYS ASP THR THR LEU ASN TRP LYS MET VAL ASP          
SEQRES  15 A  215  ALA SER LYS SER ILE GLU ALA VAL HIS GLU ASP ILE ARG          
SEQRES  16 A  215  VAL LEU SER GLU ASP ALA ILE ALA THR ALA THR GLU LYS          
SEQRES  17 A  215  PRO LEU GLY GLU LEU TRP LYS                                  
HET    ATM  A 301      46                                                       
HET    ADP  A 302      27                                                       
HET    ANP  A 303      31                                                       
HET     MG  A 401       1                                                       
HET     MG  A 402       1                                                       
HETNAM     ATM 3'-AZIDO-3'-DEOXYTHYMIDINE-5'-MONOPHOSPHATE                      
HETNAM     ADP ADENOSINE-5'-DIPHOSPHATE                                         
HETNAM     ANP PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER                      
HETNAM      MG MAGNESIUM ION                                                    
FORMUL   2  ATM    C10 H14 N5 O7 P                                              
FORMUL   3  ADP    C10 H15 N5 O10 P2                                            
FORMUL   4  ANP    C10 H17 N6 O12 P3                                            
FORMUL   5   MG    2(MG 2+)                                                     
FORMUL   7  HOH   *296(H2 O)                                                    
HELIX    1   1 GLY A   18  ALA A   33  1                                  16    
HELIX    2   2 THR A   47  GLN A   58  1                                  12    
HELIX    3   3 GLU A   64  GLU A   78  1                                  15    
HELIX    4   4 GLN A   79  GLN A   89  1                                  11    
HELIX    5   5 TYR A   98  ALA A  108  1                                  11    
HELIX    6   6 SER A  113  GLN A  119  1                                   7    
HELIX    7   7 PRO A  120  VAL A  122  5                                   3    
HELIX    8   8 GLN A  136  LYS A  142  1                                   7    
HELIX    9   9 ASN A  153  MET A  168  1                                  16    
HELIX   10  10 SER A  183  THR A  203  1                                  21    
SHEET    1   A 5 ALA A  37  ARG A  41  0                                        
SHEET    2   A 5 THR A  92  ASP A  96  1  O  THR A  92   N  GLU A  38           
SHEET    3   A 5 LEU A   8  GLY A  13  1  O  ILE A   9   N  VAL A  95           
SHEET    4   A 5 LEU A 129  GLN A 134  1  O  LEU A 129   N  VAL A  10           
SHEET    5   A 5 TRP A 175  ASP A 179  1  O  LYS A 176   N  PHE A 132           
LINK         OG  SER A  20                MG    MG A 401     1555   1555  2.09  
LINK         O2B ADP A 302                MG    MG A 401     1555   1555  2.05  
LINK         O2B ANP A 303                MG    MG A 401     1555   1555  1.98  
LINK         O3G ANP A 303                MG    MG A 401     1555   1555  2.14  
LINK        MG    MG A 401                 O   HOH A2030     1555   1555  2.11  
LINK        MG    MG A 401                 O   HOH A2148     1555   1555  2.12  
LINK        MG    MG A 401                 O   HOH A2283     1555   1555  2.11  
LINK        MG    MG A 401                 O   HOH A2289     1555   1555  2.14  
LINK        MG    MG A 402                 O   HOH A2078     1555   8665  2.12  
LINK        MG    MG A 402                 O   HOH A2078     1555   1555  2.22  
LINK        MG    MG A 402                 O   HOH A2162     1555   8665  2.18  
LINK        MG    MG A 402                 O   HOH A2162     1555   1555  2.25  
LINK        MG    MG A 402                 O   HOH A2163     1555   8665  1.97  
LINK        MG    MG A 402                 O   HOH A2163     1555   1555  2.08  
CISPEP   1 PHE A   42    PRO A   43          0        -2.13                     
SITE     1 AC1  7 SER A  20  ADP A 302  ANP A 303  HOH A2030                    
SITE     2 AC1  7 HOH A2148  HOH A2283  HOH A2289                               
SITE     1 AC2  3 HOH A2078  HOH A2162  HOH A2163                               
SITE     1 AC3 23 PHE A  42  ARG A  45  LEU A  57  PHE A  72                    
SITE     2 AC3 23 ARG A  76  ARG A  97  GLY A 102  PHE A 105                    
SITE     3 AC3 23 TYR A 151  GLN A 157  ANP A 303  HOH A2023                    
SITE     4 AC3 23 HOH A2030  HOH A2274  HOH A2275  HOH A2276                    
SITE     5 AC3 23 HOH A2277  HOH A2278  HOH A2279  HOH A2280                    
SITE     6 AC3 23 HOH A2281  HOH A2282  HOH A2289                               
SITE     1 AC4 26 ARG A  16  ALA A  17  GLY A  18  LYS A  19                    
SITE     2 AC4 26 SER A  20  THR A  21  ARG A 143  LYS A 182                    
SITE     3 AC4 26 SER A 183  ILE A 184  ARG A 192  ANP A 303                    
SITE     4 AC4 26  MG A 401  HOH A2250  HOH A2283  HOH A2284                    
SITE     5 AC4 26 HOH A2285  HOH A2286  HOH A2287  HOH A2288                    
SITE     6 AC4 26 HOH A2289  HOH A2290  HOH A2291  HOH A2292                    
SITE     7 AC4 26 HOH A2293  HOH A2295                                          
SITE     1 AC5 32 ASP A  15  ARG A  16  ALA A  17  GLY A  18                    
SITE     2 AC5 32 LYS A  19  SER A  20  THR A  21  ARG A  97                    
SITE     3 AC5 32 ARG A 143  LYS A 182  SER A 183  ILE A 184                    
SITE     4 AC5 32 ARG A 192  ATM A 301  ADP A 302   MG A 401                    
SITE     5 AC5 32 HOH A2023  HOH A2148  HOH A2250  HOH A2278                    
SITE     6 AC5 32 HOH A2283  HOH A2284  HOH A2285  HOH A2286                    
SITE     7 AC5 32 HOH A2287  HOH A2289  HOH A2290  HOH A2291                    
SITE     8 AC5 32 HOH A2292  HOH A2293  HOH A2295  HOH A2296                    
CRYST1  100.100  100.100   49.700  90.00  90.00  90.00 P 43 21 2     8          
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      0.009990  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.009990  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.020121        0.00000