HEADER    TRANSFERASE                             30-NOV-09   3KVR              
TITLE     TRAPPING OF AN OXOCARBENIUM ION INTERMEDIATE IN UP CRYSTALS           
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: URIDINE PHOSPHORYLASE;                                     
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 EC: 2.4.2.3;                                                         
COMPND   5 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: BOS TAURUS;                                     
SOURCE   3 ORGANISM_COMMON: BOVINE;                                             
SOURCE   4 ORGANISM_TAXID: 9913;                                                
SOURCE   5 GENE: UPP1;                                                          
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: BL21STAR(DE3);                             
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  10 EXPRESSION_SYSTEM_PLASMID: XF1                                       
KEYWDS    OXOCARBENIUM ION, GLYCAL, PYRIMIDINE SALVAGE, URIDINE PHOSPHORYLASE,  
KEYWDS   2 TRANSFERASE                                                          
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    D.PAUL,S.O'LEARY,K.RAJASHANKAR,W.BU,A.TOMS,E.SETTEMBRE,J.SANDERS,     
AUTHOR   2 T.P.BEGLEY,S.E.EALICK                                                
REVDAT   5   21-FEB-24 3KVR    1       REMARK                                   
REVDAT   4   29-JUL-20 3KVR    1       REMARK SITE                              
REVDAT   3   22-APR-20 3KVR    1       ATOM                                     
REVDAT   2   05-MAY-10 3KVR    1       JRNL                                     
REVDAT   1   28-APR-10 3KVR    0                                                
JRNL        AUTH   D.PAUL,S.E.O'LEARY,K.RAJASHANKAR,W.BU,A.TOMS,E.C.SETTEMBRE,  
JRNL        AUTH 2 J.M.SANDERS,T.P.BEGLEY,S.E.EALICK                            
JRNL        TITL   GLYCAL FORMATION IN CRYSTALS OF URIDINE PHOSPHORYLASE.       
JRNL        REF    BIOCHEMISTRY                  V.  49  3499 2010              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   20364833                                                     
JRNL        DOI    10.1021/BI902073B                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.60 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PHENIX                                               
REMARK   3   AUTHORS     : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN            
REMARK   3               : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE,           
REMARK   3               : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER,            
REMARK   3               : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY,              
REMARK   3               : REETAL PAI,RANDY READ,JANE RICHARDSON,               
REMARK   3               : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI,           
REMARK   3               : NICHOLAS SAUTER,JACOB SMITH,LAURENT                  
REMARK   3               : STORONI,TOM TERWILLIGER,PETER ZWART                  
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : ML                                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.60                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : NULL                           
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 0.140                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 94.7                           
REMARK   3   NUMBER OF REFLECTIONS             : 28268                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.169                           
REMARK   3   R VALUE            (WORKING SET) : 0.167                           
REMARK   3   FREE R VALUE                     : 0.205                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.080                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1367                            
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT (IN BINS).                           
REMARK   3   BIN  RESOLUTION RANGE  COMPL.    NWORK NFREE   RWORK  RFREE        
REMARK   3     1 43.8130 -  5.5980    0.99     2898   150  0.1910 0.2070        
REMARK   3     2  5.5980 -  4.4450    0.99     2744   141  0.1410 0.1720        
REMARK   3     3  4.4450 -  3.8830    0.98     2644   145  0.1350 0.1720        
REMARK   3     4  3.8830 -  3.5280    0.98     2634   146  0.1500 0.1860        
REMARK   3     5  3.5280 -  3.2760    0.98     2618   141  0.1550 0.1780        
REMARK   3     6  3.2760 -  3.0820    0.96     2535   132  0.1680 0.2300        
REMARK   3     7  3.0820 -  2.9280    0.92     2442   145  0.1740 0.2300        
REMARK   3     8  2.9280 -  2.8010    0.92     2458   119  0.1760 0.2140        
REMARK   3     9  2.8010 -  2.6930    0.89     2344   133  0.1920 0.2770        
REMARK   3    10  2.6930 -  2.6000    0.85     2237   115  0.2290 0.3120        
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED        : FLAT BULK SOLVENT MODEL                       
REMARK   3   SOLVENT RADIUS     : 1.11                                          
REMARK   3   SHRINKAGE RADIUS   : 0.90                                          
REMARK   3   K_SOL              : 0.34                                          
REMARK   3   B_SOL              : 29.85                                         
REMARK   3                                                                      
REMARK   3  ERROR ESTIMATES.                                                    
REMARK   3   COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED)     : 2.570            
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : NULL             
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 33.90                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 37.74                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 7.94300                                              
REMARK   3    B22 (A**2) : 7.94300                                              
REMARK   3    B33 (A**2) : -15.88500                                            
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  TWINNING INFORMATION.                                               
REMARK   3   FRACTION: NULL                                                     
REMARK   3   OPERATOR: NULL                                                     
REMARK   3                                                                      
REMARK   3  DEVIATIONS FROM IDEAL VALUES.                                       
REMARK   3                 RMSD          COUNT                                  
REMARK   3   BOND      :  0.008           4615                                  
REMARK   3   ANGLE     :  1.173           6234                                  
REMARK   3   CHIRALITY :  0.079            695                                  
REMARK   3   PLANARITY :  0.005            810                                  
REMARK   3   DIHEDRAL  : 16.554           1674                                  
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  NCS DETAILS                                                         
REMARK   3   NUMBER OF NCS GROUPS : NULL                                        
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 3KVR COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 09-DEC-09.                  
REMARK 100 THE DEPOSITION ID IS D_1000056508.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 16-MAR-07                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 6.3                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : APS                                
REMARK 200  BEAMLINE                       : 24-ID-C                            
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.97920                            
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 315                   
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : NULL                               
REMARK 200  DATA SCALING SOFTWARE          : NULL                               
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 28268                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.600                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : NULL                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : NULL                               
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.60                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : NULL                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : NULL                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
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   (%): 61.99                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.24                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 18% PEG5K MME, 140 MM MGCL2, 100 MM      
REMARK 280  MES, PH 6.3, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 295K        
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 41 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+1/4                                      
REMARK 290       4555   Y+1/2,-X+1/2,Z+3/4                                      
REMARK 290       5555   -X+1/2,Y+1/2,-Z+1/4                                     
REMARK 290       6555   X+1/2,-Y+1/2,-Z+3/4                                     
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      129.29600            
REMARK 290   SMTRY1   3  0.000000 -1.000000  0.000000       41.20800            
REMARK 290   SMTRY2   3  1.000000  0.000000  0.000000       41.20800            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       64.64800            
REMARK 290   SMTRY1   4  0.000000  1.000000  0.000000       41.20800            
REMARK 290   SMTRY2   4 -1.000000  0.000000  0.000000       41.20800            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000      193.94400            
REMARK 290   SMTRY1   5 -1.000000  0.000000  0.000000       41.20800            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       41.20800            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000       64.64800            
REMARK 290   SMTRY1   6  1.000000  0.000000  0.000000       41.20800            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       41.20800            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000      193.94400            
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      129.29600            
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: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 6930 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 20720 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -65.0 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 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465     MET A     1                                                      
REMARK 465     ALA A     2                                                      
REMARK 465     SER A     3                                                      
REMARK 465     THR A     4                                                      
REMARK 465     ALA A     5                                                      
REMARK 465     ALA A     6                                                      
REMARK 465     GLU A     7                                                      
REMARK 465     THR A     8                                                      
REMARK 465     GLU A     9                                                      
REMARK 465     LYS A    10                                                      
REMARK 465     PRO A    11                                                      
REMARK 465     GLU A    12                                                      
REMARK 465     ASP A    13                                                      
REMARK 465     HIS A    14                                                      
REMARK 465     ASN A    15                                                      
REMARK 465     ASP A    16                                                      
REMARK 465     MET B     1                                                      
REMARK 465     ALA B     2                                                      
REMARK 465     SER B     3                                                      
REMARK 465     THR B     4                                                      
REMARK 465     ALA B     5                                                      
REMARK 465     ALA B     6                                                      
REMARK 465     GLU B     7                                                      
REMARK 465     THR B     8                                                      
REMARK 465     GLU B     9                                                      
REMARK 465     LYS B    10                                                      
REMARK 465     PRO B    11                                                      
REMARK 465     GLU B    12                                                      
REMARK 465     ASP B    13                                                      
REMARK 465     PRO B    80                                                      
REMARK 465     GLY B    81                                                      
REMARK 465     ALA B    82                                                      
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  29    CG   CD   CE   NZ                                   
REMARK 470     LYS A 173    CG   CD   CE   NZ                                   
REMARK 470     ASP A 285    CG   OD1  OD2                                       
REMARK 470     LYS B  29    CG   CD   CE   NZ                                   
REMARK 470     GLU B  89    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 B   331     O    HOH B   375              1.63            
REMARK 500   OG1  THR A   154     OG1  THR A   206              1.91            
REMARK 500   OE2  GLU B    74     NZ   LYS B   303              2.04            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                      
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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)               
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   RES CSSEQI ATM2   DEVIATION                     
REMARK 500    ARG A  63   CG    ARG A  63   CD      0.170                       
REMARK 500    GLU A 183   CG    GLU A 183   CD      0.100                       
REMARK 500    VAL A 203   CB    VAL A 203   CG1    -0.141                       
REMARK 500    GLU B  30   CG    GLU B  30   CD      0.094                       
REMARK 500    GLU B 147   CG    GLU B 147   CD      0.113                       
REMARK 500    GLU B 147   CD    GLU B 147   OE1     0.067                       
REMARK 500    VAL B 158   CB    VAL B 158   CG2    -0.147                       
REMARK 500    PHE B 212   CE1   PHE B 212   CZ      0.117                       
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    LEU A 189   CA  -  CB  -  CG  ANGL. DEV. =  16.9 DEGREES          
REMARK 500    VAL A 252   CB  -  CA  -  C   ANGL. DEV. = -13.0 DEGREES          
REMARK 500    ARG B  63   NE  -  CZ  -  NH1 ANGL. DEV. =  -3.7 DEGREES          
REMARK 500    ASP B 180   CB  -  CG  -  OD1 ANGL. DEV. =   5.6 DEGREES          
REMARK 500    ASP B 180   CB  -  CG  -  OD2 ANGL. DEV. =  -5.6 DEGREES          
REMARK 500    ASP B 182   CB  -  CG  -  OD1 ANGL. DEV. =   6.2 DEGREES          
REMARK 500    ASP B 220   N   -  CA  -  CB  ANGL. DEV. = -12.9 DEGREES          
REMARK 500    ARG B 244   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.6 DEGREES          
REMARK 500    VAL B 252   CB  -  CA  -  C   ANGL. DEV. = -14.4 DEGREES          
REMARK 500    ARG B 296   NE  -  CZ  -  NH1 ANGL. DEV. =   3.3 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    CYS A  21       59.41    -96.97                                   
REMARK 500    ALA A  78       51.04    -69.14                                   
REMARK 500    HIS A  79     -173.55    -63.24                                   
REMARK 500    ALA A  82       89.98    -22.16                                   
REMARK 500    TYR A 213      -84.90   -105.43                                   
REMARK 500    CYS A 224      114.25   -171.98                                   
REMARK 500    GLU A 247     -157.49   -155.74                                   
REMARK 500    GLN A 308      -98.62    -84.40                                   
REMARK 500    ALA B  78     -177.54    -36.50                                   
REMARK 500    CYS B  88       40.64   -102.61                                   
REMARK 500    PHE B 162       13.54     80.26                                   
REMARK 500    TYR B 213      -81.56   -100.36                                   
REMARK 500    CYS B 224      114.90   -172.04                                   
REMARK 500    GLU B 247     -153.93   -149.91                                   
REMARK 500    MET B 307        3.86    -69.82                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 3KU4   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3KUK   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3KVV   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3KVY   RELATED DB: PDB                                   
DBREF  3KVR A    1   309  UNP    A5PJH9   A5PJH9_BOVIN     1    309             
DBREF  3KVR B    1   309  UNP    A5PJH9   A5PJH9_BOVIN     1    309             
SEQRES   1 A  309  MET ALA SER THR ALA ALA GLU THR GLU LYS PRO GLU ASP          
SEQRES   2 A  309  HIS ASN ASP LEU VAL GLN LEU CYS ASN PRO HIS ILE ALA          
SEQRES   3 A  309  ALA MET LYS GLU ASP ILE LEU TYR HIS PHE SER LEU SER          
SEQRES   4 A  309  THR SER THR HIS ASP PHE PRO ALA MET PHE GLY ASP VAL          
SEQRES   5 A  309  LYS PHE VAL CYS VAL GLY GLY SER PRO SER ARG MET LYS          
SEQRES   6 A  309  ALA PHE ILE LYS TYR VAL ALA MET GLU LEU GLY PHE ALA          
SEQRES   7 A  309  HIS PRO GLY ALA ASP TYR PRO ASN ILE CYS GLU GLY THR          
SEQRES   8 A  309  ASP ARG TYR ALA MET PHE LYS VAL GLY PRO VAL LEU SER          
SEQRES   9 A  309  VAL SER HIS GLY MET GLY VAL PRO SER ILE ALA ILE MET          
SEQRES  10 A  309  LEU HIS GLU LEU ILE LYS LEU LEU TYR HIS ALA HIS CYS          
SEQRES  11 A  309  SER GLY VAL THR LEU ILE ARG ILE GLY THR SER GLY GLY          
SEQRES  12 A  309  ILE GLY LEU GLU PRO GLY SER VAL VAL ILE THR ARG GLN          
SEQRES  13 A  309  ALA VAL ASP PRO CYS PHE LYS PRO GLU PHE GLU GLN ILE          
SEQRES  14 A  309  VAL LEU GLY LYS ARG GLU VAL ARG ASN THR ASP LEU ASP          
SEQRES  15 A  309  GLU GLN LEU VAL GLN GLU LEU ALA ARG CYS SER ALA GLU          
SEQRES  16 A  309  LEU GLY GLU PHE PRO THR VAL VAL GLY ASN THR MET CYS          
SEQRES  17 A  309  THR LEU ASP PHE TYR GLU GLY GLN GLY ARG LEU ASP GLY          
SEQRES  18 A  309  ALA LEU CYS SER TYR THR GLU LYS ASP LYS GLN ASP TYR          
SEQRES  19 A  309  LEU ARG ALA ALA TYR ALA ALA GLY ILE ARG ASN ILE GLU          
SEQRES  20 A  309  MET GLU ALA SER VAL PHE ALA ALA MET CYS ASN ALA CYS          
SEQRES  21 A  309  GLY LEU ARG ALA ALA VAL VAL CYS VAL THR LEU LEU ASN          
SEQRES  22 A  309  ARG LEU GLU GLY ASP GLN ILE SER SER PRO HIS ASP VAL          
SEQRES  23 A  309  LEU ALA GLU TYR GLN GLN ARG PRO GLN ARG LEU VAL GLY          
SEQRES  24 A  309  GLN PHE ILE LYS LYS ARG LEU MET GLN ALA                      
SEQRES   1 B  309  MET ALA SER THR ALA ALA GLU THR GLU LYS PRO GLU ASP          
SEQRES   2 B  309  HIS ASN ASP LEU VAL GLN LEU CYS ASN PRO HIS ILE ALA          
SEQRES   3 B  309  ALA MET LYS GLU ASP ILE LEU TYR HIS PHE SER LEU SER          
SEQRES   4 B  309  THR SER THR HIS ASP PHE PRO ALA MET PHE GLY ASP VAL          
SEQRES   5 B  309  LYS PHE VAL CYS VAL GLY GLY SER PRO SER ARG MET LYS          
SEQRES   6 B  309  ALA PHE ILE LYS TYR VAL ALA MET GLU LEU GLY PHE ALA          
SEQRES   7 B  309  HIS PRO GLY ALA ASP TYR PRO ASN ILE CYS GLU GLY THR          
SEQRES   8 B  309  ASP ARG TYR ALA MET PHE LYS VAL GLY PRO VAL LEU SER          
SEQRES   9 B  309  VAL SER HIS GLY MET GLY VAL PRO SER ILE ALA ILE MET          
SEQRES  10 B  309  LEU HIS GLU LEU ILE LYS LEU LEU TYR HIS ALA HIS CYS          
SEQRES  11 B  309  SER GLY VAL THR LEU ILE ARG ILE GLY THR SER GLY GLY          
SEQRES  12 B  309  ILE GLY LEU GLU PRO GLY SER VAL VAL ILE THR ARG GLN          
SEQRES  13 B  309  ALA VAL ASP PRO CYS PHE LYS PRO GLU PHE GLU GLN ILE          
SEQRES  14 B  309  VAL LEU GLY LYS ARG GLU VAL ARG ASN THR ASP LEU ASP          
SEQRES  15 B  309  GLU GLN LEU VAL GLN GLU LEU ALA ARG CYS SER ALA GLU          
SEQRES  16 B  309  LEU GLY GLU PHE PRO THR VAL VAL GLY ASN THR MET CYS          
SEQRES  17 B  309  THR LEU ASP PHE TYR GLU GLY GLN GLY ARG LEU ASP GLY          
SEQRES  18 B  309  ALA LEU CYS SER TYR THR GLU LYS ASP LYS GLN ASP TYR          
SEQRES  19 B  309  LEU ARG ALA ALA TYR ALA ALA GLY ILE ARG ASN ILE GLU          
SEQRES  20 B  309  MET GLU ALA SER VAL PHE ALA ALA MET CYS ASN ALA CYS          
SEQRES  21 B  309  GLY LEU ARG ALA ALA VAL VAL CYS VAL THR LEU LEU ASN          
SEQRES  22 B  309  ARG LEU GLU GLY ASP GLN ILE SER SER PRO HIS ASP VAL          
SEQRES  23 B  309  LEU ALA GLU TYR GLN GLN ARG PRO GLN ARG LEU VAL GLY          
SEQRES  24 B  309  GLN PHE ILE LYS LYS ARG LEU MET GLN ALA                      
HET    URF  A2001       9                                                       
HET    SO4  A 310       5                                                       
HET    R2G  A 311       8                                                       
HET    URF  B2011       9                                                       
HET    SO4  B 310       5                                                       
HET    R2G  B 311       8                                                       
HETNAM     URF 5-FLUOROURACIL                                                   
HETNAM     SO4 SULFATE ION                                                      
HETNAM     R2G 2,5-ANHYDRO-4-DEOXY-D-ERYTHRO-PENT-4-ENITOL                      
FORMUL   3  URF    2(C4 H3 F N2 O2)                                             
FORMUL   4  SO4    2(O4 S 2-)                                                   
FORMUL   5  R2G    2(C5 H8 O3)                                                  
FORMUL   9  HOH   *120(H2 O)                                                    
HELIX    1   1 ASP A   44  GLY A   50  1                                   7    
HELIX    2   2 SER A   60  MET A   73  1                                  14    
HELIX    3   3 GLY A  110  ALA A  128  1                                  19    
HELIX    4   4 ASP A  182  GLY A  197  1                                  16    
HELIX    5   5 TYR A  213  GLY A  217  5                                   5    
HELIX    6   6 THR A  227  ALA A  241  1                                  15    
HELIX    7   7 GLU A  249  GLY A  261  1                                  13    
HELIX    8   8 PRO A  283  MET A  307  1                                  25    
HELIX    9   9 TYR B   34  SER B   37  5                                   4    
HELIX   10  10 ASP B   44  GLY B   50  1                                   7    
HELIX   11  11 SER B   60  LEU B   75  1                                  16    
HELIX   12  12 GLY B  110  HIS B  129  1                                  20    
HELIX   13  13 ASP B  182  GLY B  197  1                                  16    
HELIX   14  14 TYR B  213  GLY B  217  5                                   5    
HELIX   15  15 THR B  227  ALA B  241  1                                  15    
HELIX   16  16 GLU B  249  CYS B  260  1                                  12    
HELIX   17  17 LEU B  275  GLY B  277  5                                   3    
HELIX   18  18 PRO B  283  MET B  307  1                                  25    
SHEET    1   A 2 ILE A  32  LEU A  33  0                                        
SHEET    2   A 2 LEU A  38  SER A  39 -1  O  LEU A  38   N  LEU A  33           
SHEET    1   B 9 MET A  96  VAL A  99  0                                        
SHEET    2   B 9 VAL A 102  SER A 106 -1  O  SER A 104   N  PHE A  97           
SHEET    3   B 9 PHE A  54  GLY A  58  1  N  CYS A  56   O  LEU A 103           
SHEET    4   B 9 THR A 134  GLY A 143  1  O  THR A 134   N  VAL A  55           
SHEET    5   B 9 ARG A 263  ASN A 273  1  O  LEU A 272   N  GLY A 143           
SHEET    6   B 9 VAL A 151  VAL A 158 -1  N  VAL A 152   O  CYS A 268           
SHEET    7   B 9 THR A 201  CYS A 208  1  O  THR A 206   N  VAL A 158           
SHEET    8   B 9 ILE A 243  GLU A 247  1  O  GLU A 247   N  MET A 207           
SHEET    9   B 9 THR A 134  GLY A 143 -1  N  GLY A 142   O  ILE A 246           
SHEET    1   C 2 GLU A 165  VAL A 170  0                                        
SHEET    2   C 2 LYS A 173  ASN A 178 -1  O  GLU A 175   N  GLN A 168           
SHEET    1   D 2 ILE B  32  LEU B  33  0                                        
SHEET    2   D 2 LEU B  38  SER B  39 -1  O  LEU B  38   N  LEU B  33           
SHEET    1   E 9 MET B  96  VAL B  99  0                                        
SHEET    2   E 9 VAL B 102  SER B 106 -1  O  SER B 104   N  PHE B  97           
SHEET    3   E 9 PHE B  54  GLY B  58  1  N  CYS B  56   O  LEU B 103           
SHEET    4   E 9 THR B 134  GLY B 143  1  O  THR B 134   N  VAL B  55           
SHEET    5   E 9 ARG B 263  ASN B 273  1  O  VAL B 267   N  ARG B 137           
SHEET    6   E 9 VAL B 151  VAL B 158 -1  N  VAL B 152   O  CYS B 268           
SHEET    7   E 9 THR B 201  CYS B 208  1  O  THR B 206   N  VAL B 158           
SHEET    8   E 9 ILE B 243  GLU B 247  1  O  ARG B 244   N  ASN B 205           
SHEET    9   E 9 THR B 134  GLY B 143 -1  N  GLY B 142   O  ILE B 246           
SHEET    1   F 2 GLU B 165  VAL B 170  0                                        
SHEET    2   F 2 LYS B 173  ASN B 178 -1  O  GLU B 175   N  GLN B 168           
CRYST1   82.416   82.416  258.592  90.00  90.00  90.00 P 41 21 2    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      0.012134  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.012134  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.003867        0.00000