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Database: PDB
Entry: 3BK0
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Original site: 3BK0 
HEADER    LYASE                                   05-DEC-07   3BK0              
TITLE     CRYSTAL STRUCTURE OF HUMAN OROTIDINE 5'-MONOPHOSPHATE DECARBOXYLASE   
TITLE    2 COMPLEXED WITH 5-CN-UMP                                              
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: URIDINE 5'-MONOPHOSPHATE SYNTHASE;                         
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 SYNONYM: UMP SYNTHASE, OROTIDINE 5'-PHOSPHATE DECARBOXYLASE,         
COMPND   5 OMPDECASE;                                                           
COMPND   6 EC: 4.1.1.23;                                                        
COMPND   7 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 GENE: UMPS;                                                          
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3)PLYSS;                            
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  10 EXPRESSION_SYSTEM_PLASMID: PET15B                                    
KEYWDS    UMP SYNTHASE, C-TERMINAL DOMAIN, OROTIDINE 5'-MONOPHOSPHATE           
KEYWDS   2 DECARBOXYLASE, HUMAN, 5-CN-UMP, DISEASE MUTATION,                    
KEYWDS   3 GLYCOSYLTRANSFERASE, LYASE, MULTIFUNCTIONAL ENZYME, PYRIMIDINE       
KEYWDS   4 BIOSYNTHESIS, TRANSFERASE                                            
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    Y.LIU,H.L.TANG,M.E.M.AVINA,L.P.KOTRA,E.F.PAI                          
REVDAT   4   30-AUG-23 3BK0    1       REMARK SEQADV                            
REVDAT   3   13-JUL-11 3BK0    1       VERSN                                    
REVDAT   2   24-FEB-09 3BK0    1       VERSN                                    
REVDAT   1   18-NOV-08 3BK0    0                                                
JRNL        AUTH   Y.LIU,H.L.TANG,M.E.M.AVINA,L.P.KOTRA,E.F.PAI                 
JRNL        TITL   CRYSTAL STRUCTURE OF HUMAN OROTIDINE 5'-MONOPHOSPHATE        
JRNL        TITL 2 DECARBOXYLASE COMPLEXED WITH 5-CN-UMP                        
JRNL        REF    TO BE PUBLISHED                                              
JRNL        REFN                                                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.60 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) : 1.60                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 50.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 78.3                           
REMARK   3   NUMBER OF REFLECTIONS             : 55585                          
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) : 0.181                           
REMARK   3   R VALUE            (WORKING SET) : 0.179                           
REMARK   3   FREE R VALUE                     : 0.216                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 2938                            
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) : 1.60                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.63                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 969                          
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 18.57                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2750                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 49                           
REMARK   3   BIN FREE R VALUE                    : 0.3370                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 3934                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 68                                      
REMARK   3   SOLVENT ATOMS            : 256                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 22.35                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.60000                                              
REMARK   3    B22 (A**2) : -1.27000                                             
REMARK   3    B33 (A**2) : 2.05000                                              
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 1.85000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.109         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.108         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.064         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.785         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.962                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.946                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  4325 ; 0.010 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  5880 ; 1.514 ; 1.992       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   571 ; 6.039 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   173 ;36.328 ;23.873       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   780 ;12.790 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    30 ;16.749 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   664 ; 0.100 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  3236 ; 0.006 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  2191 ; 0.211 ; 0.200       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  3093 ; 0.307 ; 0.200       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):   325 ; 0.134 ; 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):    44 ; 0.250 ; 0.200       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):    18 ; 0.168 ; 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):  2810 ; 0.969 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  4385 ; 1.486 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  1701 ; 2.475 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  1495 ; 3.951 ; 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 3BK0 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 14-DEC-07.                  
REMARK 100 THE DEPOSITION ID IS D_1000045614.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 15-AUG-07                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 8.4                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : CLSI                               
REMARK 200  BEAMLINE                       : 08ID-1                             
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.97934                            
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : DCM WITH CRYO-COOLED 1ST CRYSTAL   
REMARK 200                                   SAGITTALLY BENT 2ND CRYSTAL        
REMARK 200                                   FOLLOWED BY VERTICALLY FOCUSING    
REMARK 200                                   MIRROR                             
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : MARMOSAIC 225 MM CCD               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : HKL-2000                           
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 58523                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.600                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 78.5                               
REMARK 200  DATA REDUNDANCY                : 3.300                              
REMARK 200  R MERGE                    (I) : 0.05800                            
REMARK 200  R SYM                      (I) : 0.05800                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 14.6000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.60                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.66                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 21.7                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 1.70                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.32300                            
REMARK 200  R SYM FOR SHELL            (I) : 0.32300                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 1.950                              
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: 2P1F                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 46.87                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.31                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: AMMONIUM SULFATE, PH 8.4, VAPOR          
REMARK 280  DIFFUSION, HANGING DROP, TEMPERATURE 293K                           
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,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       30.77700            
REMARK 290   SMTRY3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 4600 ANGSTROM**2                          
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    13                                                      
REMARK 465     GLY A    14                                                      
REMARK 465     SER A    15                                                      
REMARK 465     SER A    16                                                      
REMARK 465     HIS A    17                                                      
REMARK 465     HIS A    18                                                      
REMARK 465     HIS A    19                                                      
REMARK 465     HIS A    20                                                      
REMARK 465     HIS A    21                                                      
REMARK 465     HIS A    22                                                      
REMARK 465     SER A    23                                                      
REMARK 465     SER A    24                                                      
REMARK 465     GLY A    25                                                      
REMARK 465     LEU A    26                                                      
REMARK 465     VAL A    27                                                      
REMARK 465     PRO A    28                                                      
REMARK 465     ARG A    29                                                      
REMARK 465     GLY A    30                                                      
REMARK 465     SER A    31                                                      
REMARK 465     HIS A    32                                                      
REMARK 465     MET A    33                                                      
REMARK 465     VAL A   291                                                      
REMARK 465     MET B    13                                                      
REMARK 465     GLY B    14                                                      
REMARK 465     SER B    15                                                      
REMARK 465     SER B    16                                                      
REMARK 465     HIS B    17                                                      
REMARK 465     HIS B    18                                                      
REMARK 465     HIS B    19                                                      
REMARK 465     HIS B    20                                                      
REMARK 465     HIS B    21                                                      
REMARK 465     HIS B    22                                                      
REMARK 465     SER B    23                                                      
REMARK 465     SER B    24                                                      
REMARK 465     GLY B    25                                                      
REMARK 465     LEU B    26                                                      
REMARK 465     VAL B    27                                                      
REMARK 465     PRO B    28                                                      
REMARK 465     ARG B    29                                                      
REMARK 465     GLY B    30                                                      
REMARK 465     SER B    31                                                      
REMARK 465     HIS B    32                                                      
REMARK 465     MET B    33                                                      
REMARK 465     VAL B   291                                                      
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    ALA A  69       71.64   -103.02                                   
REMARK 500    GLU A 117       73.80     68.37                                   
REMARK 500    ALA A 127       42.42   -158.53                                   
REMARK 500    TRP A 147      -16.25   -151.53                                   
REMARK 500    PHE A 207      -36.83   -130.24                                   
REMARK 500    GLU B 117       73.75     64.40                                   
REMARK 500    ALA B 127       45.33   -157.68                                   
REMARK 500    PHE B 207      -36.54   -131.65                                   
REMARK 500    ASP B 237     -166.18   -111.03                                   
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 SO4 A 3001                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CNU A 1000                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CNU B 1001                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 2000                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 2001                
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 2EAW   RELATED DB: PDB                                   
REMARK 900 HUMAN UMP SYNTHASE(C-TERMINAL DOMAIN-OROTIDINE 5'-MONOPHOSPHATE      
REMARK 900 DECARBOXYLASE)                                                       
REMARK 900 RELATED ID: 2P1F   RELATED DB: PDB                                   
REMARK 900 HUMAN UMP SYNTHASE(C-TERMINAL DOMAIN-OROTIDINE 5'-MONOPHOSPHATE      
REMARK 900 DECARBOXYLASE)                                                       
REMARK 900 RELATED ID: 3BGG   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF HUMAN OROTIDINE 5'-MONOPHOSPHATE DECARBOXYLASE  
REMARK 900 COMPLEXED WITH BMP                                                   
REMARK 900 RELATED ID: 3BGJ   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF HUMAN OROTIDINE 5'-MONOPHOSPHATE DECARBOXYLASE  
REMARK 900 COVALENTLY MODIFIED BY 6-IODO-UMP                                    
REMARK 900 RELATED ID: 3BVJ   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF HUMAN OROTIDINE 5'-MONOPHOSPHATE DECARBOXYLASE  
REMARK 900 COMPLEXED WITH XMP                                                   
DBREF  3BK0 A   34   291  UNP    P11172   PYR5_HUMAN     223    480             
DBREF  3BK0 B   34   291  UNP    P11172   PYR5_HUMAN     223    480             
SEQADV 3BK0 MET A   13  UNP  P11172              EXPRESSION TAG                 
SEQADV 3BK0 GLY A   14  UNP  P11172              EXPRESSION TAG                 
SEQADV 3BK0 SER A   15  UNP  P11172              EXPRESSION TAG                 
SEQADV 3BK0 SER A   16  UNP  P11172              EXPRESSION TAG                 
SEQADV 3BK0 HIS A   17  UNP  P11172              EXPRESSION TAG                 
SEQADV 3BK0 HIS A   18  UNP  P11172              EXPRESSION TAG                 
SEQADV 3BK0 HIS A   19  UNP  P11172              EXPRESSION TAG                 
SEQADV 3BK0 HIS A   20  UNP  P11172              EXPRESSION TAG                 
SEQADV 3BK0 HIS A   21  UNP  P11172              EXPRESSION TAG                 
SEQADV 3BK0 HIS A   22  UNP  P11172              EXPRESSION TAG                 
SEQADV 3BK0 SER A   23  UNP  P11172              EXPRESSION TAG                 
SEQADV 3BK0 SER A   24  UNP  P11172              EXPRESSION TAG                 
SEQADV 3BK0 GLY A   25  UNP  P11172              EXPRESSION TAG                 
SEQADV 3BK0 LEU A   26  UNP  P11172              EXPRESSION TAG                 
SEQADV 3BK0 VAL A   27  UNP  P11172              EXPRESSION TAG                 
SEQADV 3BK0 PRO A   28  UNP  P11172              EXPRESSION TAG                 
SEQADV 3BK0 ARG A   29  UNP  P11172              EXPRESSION TAG                 
SEQADV 3BK0 GLY A   30  UNP  P11172              EXPRESSION TAG                 
SEQADV 3BK0 SER A   31  UNP  P11172              EXPRESSION TAG                 
SEQADV 3BK0 HIS A   32  UNP  P11172              EXPRESSION TAG                 
SEQADV 3BK0 MET A   33  UNP  P11172              EXPRESSION TAG                 
SEQADV 3BK0 MET B   13  UNP  P11172              EXPRESSION TAG                 
SEQADV 3BK0 GLY B   14  UNP  P11172              EXPRESSION TAG                 
SEQADV 3BK0 SER B   15  UNP  P11172              EXPRESSION TAG                 
SEQADV 3BK0 SER B   16  UNP  P11172              EXPRESSION TAG                 
SEQADV 3BK0 HIS B   17  UNP  P11172              EXPRESSION TAG                 
SEQADV 3BK0 HIS B   18  UNP  P11172              EXPRESSION TAG                 
SEQADV 3BK0 HIS B   19  UNP  P11172              EXPRESSION TAG                 
SEQADV 3BK0 HIS B   20  UNP  P11172              EXPRESSION TAG                 
SEQADV 3BK0 HIS B   21  UNP  P11172              EXPRESSION TAG                 
SEQADV 3BK0 HIS B   22  UNP  P11172              EXPRESSION TAG                 
SEQADV 3BK0 SER B   23  UNP  P11172              EXPRESSION TAG                 
SEQADV 3BK0 SER B   24  UNP  P11172              EXPRESSION TAG                 
SEQADV 3BK0 GLY B   25  UNP  P11172              EXPRESSION TAG                 
SEQADV 3BK0 LEU B   26  UNP  P11172              EXPRESSION TAG                 
SEQADV 3BK0 VAL B   27  UNP  P11172              EXPRESSION TAG                 
SEQADV 3BK0 PRO B   28  UNP  P11172              EXPRESSION TAG                 
SEQADV 3BK0 ARG B   29  UNP  P11172              EXPRESSION TAG                 
SEQADV 3BK0 GLY B   30  UNP  P11172              EXPRESSION TAG                 
SEQADV 3BK0 SER B   31  UNP  P11172              EXPRESSION TAG                 
SEQADV 3BK0 HIS B   32  UNP  P11172              EXPRESSION TAG                 
SEQADV 3BK0 MET B   33  UNP  P11172              EXPRESSION TAG                 
SEQRES   1 A  279  MET GLY SER SER HIS HIS HIS HIS HIS HIS SER SER GLY          
SEQRES   2 A  279  LEU VAL PRO ARG GLY SER HIS MET LYS GLU LEU SER PHE          
SEQRES   3 A  279  GLY ALA ARG ALA GLU LEU PRO ARG ILE HIS PRO VAL ALA          
SEQRES   4 A  279  SER LYS LEU LEU ARG LEU MET GLN LYS LYS GLU THR ASN          
SEQRES   5 A  279  LEU CYS LEU SER ALA ASP VAL SER LEU ALA ARG GLU LEU          
SEQRES   6 A  279  LEU GLN LEU ALA ASP ALA LEU GLY PRO SER ILE CYS MET          
SEQRES   7 A  279  LEU LYS THR HIS VAL ASP ILE LEU ASN ASP PHE THR LEU          
SEQRES   8 A  279  ASP VAL MET LYS GLU LEU ILE THR LEU ALA LYS CYS HIS          
SEQRES   9 A  279  GLU PHE LEU ILE PHE GLU ASP ARG LYS PHE ALA ASP ILE          
SEQRES  10 A  279  GLY ASN THR VAL LYS LYS GLN TYR GLU GLY GLY ILE PHE          
SEQRES  11 A  279  LYS ILE ALA SER TRP ALA ASP LEU VAL ASN ALA HIS VAL          
SEQRES  12 A  279  VAL PRO GLY SER GLY VAL VAL LYS GLY LEU GLN GLU VAL          
SEQRES  13 A  279  GLY LEU PRO LEU HIS ARG GLY CYS LEU LEU ILE ALA GLU          
SEQRES  14 A  279  MET SER SER THR GLY SER LEU ALA THR GLY ASP TYR THR          
SEQRES  15 A  279  ARG ALA ALA VAL ARG MET ALA GLU GLU HIS SER GLU PHE          
SEQRES  16 A  279  VAL VAL GLY PHE ILE SER GLY SER ARG VAL SER MET LYS          
SEQRES  17 A  279  PRO GLU PHE LEU HIS LEU THR PRO GLY VAL GLN LEU GLU          
SEQRES  18 A  279  ALA GLY GLY ASP ASN LEU GLY GLN GLN TYR ASN SER PRO          
SEQRES  19 A  279  GLN GLU VAL ILE GLY LYS ARG GLY SER ASP ILE ILE ILE          
SEQRES  20 A  279  VAL GLY ARG GLY ILE ILE SER ALA ALA ASP ARG LEU GLU          
SEQRES  21 A  279  ALA ALA GLU MET TYR ARG LYS ALA ALA TRP GLU ALA TYR          
SEQRES  22 A  279  LEU SER ARG LEU GLY VAL                                      
SEQRES   1 B  279  MET GLY SER SER HIS HIS HIS HIS HIS HIS SER SER GLY          
SEQRES   2 B  279  LEU VAL PRO ARG GLY SER HIS MET LYS GLU LEU SER PHE          
SEQRES   3 B  279  GLY ALA ARG ALA GLU LEU PRO ARG ILE HIS PRO VAL ALA          
SEQRES   4 B  279  SER LYS LEU LEU ARG LEU MET GLN LYS LYS GLU THR ASN          
SEQRES   5 B  279  LEU CYS LEU SER ALA ASP VAL SER LEU ALA ARG GLU LEU          
SEQRES   6 B  279  LEU GLN LEU ALA ASP ALA LEU GLY PRO SER ILE CYS MET          
SEQRES   7 B  279  LEU LYS THR HIS VAL ASP ILE LEU ASN ASP PHE THR LEU          
SEQRES   8 B  279  ASP VAL MET LYS GLU LEU ILE THR LEU ALA LYS CYS HIS          
SEQRES   9 B  279  GLU PHE LEU ILE PHE GLU ASP ARG LYS PHE ALA ASP ILE          
SEQRES  10 B  279  GLY ASN THR VAL LYS LYS GLN TYR GLU GLY GLY ILE PHE          
SEQRES  11 B  279  LYS ILE ALA SER TRP ALA ASP LEU VAL ASN ALA HIS VAL          
SEQRES  12 B  279  VAL PRO GLY SER GLY VAL VAL LYS GLY LEU GLN GLU VAL          
SEQRES  13 B  279  GLY LEU PRO LEU HIS ARG GLY CYS LEU LEU ILE ALA GLU          
SEQRES  14 B  279  MET SER SER THR GLY SER LEU ALA THR GLY ASP TYR THR          
SEQRES  15 B  279  ARG ALA ALA VAL ARG MET ALA GLU GLU HIS SER GLU PHE          
SEQRES  16 B  279  VAL VAL GLY PHE ILE SER GLY SER ARG VAL SER MET LYS          
SEQRES  17 B  279  PRO GLU PHE LEU HIS LEU THR PRO GLY VAL GLN LEU GLU          
SEQRES  18 B  279  ALA GLY GLY ASP ASN LEU GLY GLN GLN TYR ASN SER PRO          
SEQRES  19 B  279  GLN GLU VAL ILE GLY LYS ARG GLY SER ASP ILE ILE ILE          
SEQRES  20 B  279  VAL GLY ARG GLY ILE ILE SER ALA ALA ASP ARG LEU GLU          
SEQRES  21 B  279  ALA ALA GLU MET TYR ARG LYS ALA ALA TRP GLU ALA TYR          
SEQRES  22 B  279  LEU SER ARG LEU GLY VAL                                      
HET    SO4  A3000       5                                                       
HET    SO4  A3001       5                                                       
HET    CNU  A1000      23                                                       
HET    GOL  A2000       6                                                       
HET    GOL  A2001       6                                                       
HET    CNU  B1001      23                                                       
HETNAM     SO4 SULFATE ION                                                      
HETNAM     CNU 5-CYANO-URIDINE-5'-MONOPHOSPHATE                                 
HETNAM     GOL GLYCEROL                                                         
HETSYN     CNU 5-CYANO-UMP; 5-CYANOURIDINE 5'-(DIHYDROGEN PHOSPHATE)            
HETSYN     GOL GLYCERIN; PROPANE-1,2,3-TRIOL                                    
FORMUL   3  SO4    2(O4 S 2-)                                                   
FORMUL   5  CNU    2(C10 H12 N3 O9 P)                                           
FORMUL   6  GOL    2(C3 H8 O3)                                                  
FORMUL   9  HOH   *256(H2 O)                                                    
HELIX    1   1 SER A   37  ALA A   42  1                                   6    
HELIX    2   2 HIS A   48  GLU A   62  1                                  15    
HELIX    3   3 LEU A   73  GLY A   85  1                                  13    
HELIX    4   4 PRO A   86  ILE A   88  5                                   3    
HELIX    5   5 HIS A   94  LEU A   98  5                                   5    
HELIX    6   6 THR A  102  GLU A  117  1                                  16    
HELIX    7   7 ILE A  129  GLY A  139  1                                  11    
HELIX    8   8 LYS A  143  TRP A  147  5                                   5    
HELIX    9   9 SER A  159  LEU A  170  1                                  12    
HELIX   10  10 GLY A  191  GLU A  203  1                                  13    
HELIX   11  11 SER A  245  LYS A  252  1                                   8    
HELIX   12  12 GLY A  261  SER A  266  1                                   6    
HELIX   13  13 ASP A  269  GLY A  290  1                                  22    
HELIX   14  14 SER B   37  ALA B   42  1                                   6    
HELIX   15  15 HIS B   48  GLU B   62  1                                  15    
HELIX   16  16 LEU B   73  GLY B   85  1                                  13    
HELIX   17  17 PRO B   86  ILE B   88  5                                   3    
HELIX   18  18 HIS B   94  LEU B   98  5                                   5    
HELIX   19  19 THR B  102  GLU B  117  1                                  16    
HELIX   20  20 ILE B  129  GLY B  139  1                                  11    
HELIX   21  21 LYS B  143  TRP B  147  5                                   5    
HELIX   22  22 SER B  159  LEU B  170  1                                  12    
HELIX   23  23 THR B  190  HIS B  204  1                                  15    
HELIX   24  24 SER B  245  LYS B  252  1                                   8    
HELIX   25  25 GLY B  261  SER B  266  1                                   6    
HELIX   26  26 ASP B  269  GLY B  290  1                                  22    
SHEET    1   A 9 LEU A  65  SER A  68  0                                        
SHEET    2   A 9 MET A  90  THR A  93  1  O  LYS A  92   N  LEU A  67           
SHEET    3   A 9 LEU A 119  PHE A 126  1  O  PHE A 121   N  LEU A  91           
SHEET    4   A 9 LEU A 150  HIS A 154  1  O  HIS A 154   N  PHE A 126           
SHEET    5   A 9 GLY A 175  ILE A 179  1  O  LEU A 177   N  VAL A 151           
SHEET    6   A 9 VAL A 208  ILE A 212  1  O  VAL A 209   N  CYS A 176           
SHEET    7   A 9 LEU A 224  THR A 227  1  O  LEU A 224   N  PHE A 211           
SHEET    8   A 9 ILE A 257  VAL A 260  1  O  ILE A 259   N  THR A 227           
SHEET    9   A 9 LEU A  65  SER A  68  1  N  CYS A  66   O  ILE A 258           
SHEET    1   B 2 GLY A 235  GLY A 236  0                                        
SHEET    2   B 2 GLN A 242  TYR A 243 -1  O  TYR A 243   N  GLY A 235           
SHEET    1   C 9 LEU B  65  SER B  68  0                                        
SHEET    2   C 9 MET B  90  THR B  93  1  O  LYS B  92   N  LEU B  67           
SHEET    3   C 9 LEU B 119  PHE B 126  1  O  PHE B 121   N  LEU B  91           
SHEET    4   C 9 LEU B 150  HIS B 154  1  O  HIS B 154   N  PHE B 126           
SHEET    5   C 9 GLY B 175  ILE B 179  1  O  ILE B 179   N  ALA B 153           
SHEET    6   C 9 VAL B 208  ILE B 212  1  O  VAL B 209   N  CYS B 176           
SHEET    7   C 9 LEU B 224  THR B 227  1  O  LEU B 224   N  PHE B 211           
SHEET    8   C 9 ILE B 257  VAL B 260  1  O  ILE B 257   N  THR B 227           
SHEET    9   C 9 LEU B  65  SER B  68  1  N  CYS B  66   O  ILE B 258           
SHEET    1   D 2 GLY B 235  GLY B 236  0                                        
SHEET    2   D 2 GLN B 242  TYR B 243 -1  O  TYR B 243   N  GLY B 235           
SITE     1 AC1  2 GLY A  39  GLU A  43                                          
SITE     1 AC2 19 SER A  68  ASP A  70  LYS A  92  HIS A  94                    
SITE     2 AC2 19 ASP A 123  ILE A 179  MET A 182  SER A 183                    
SITE     3 AC2 19 ILE A 212  PRO A 228  GLN A 241  TYR A 243                    
SITE     4 AC2 19 GLY A 261  ARG A 262  HOH A3002  HOH A3006                    
SITE     5 AC2 19 HOH A3074  ASP B 128  THR B 132                               
SITE     1 AC3 20 ASP A 128  ILE A 129  THR A 132  SER B  68                    
SITE     2 AC3 20 ASP B  70  LYS B  92  HIS B  94  ASP B 123                    
SITE     3 AC3 20 ILE B 179  MET B 182  SER B 183  ILE B 212                    
SITE     4 AC3 20 PRO B 228  GLN B 241  TYR B 243  GLY B 261                    
SITE     5 AC3 20 ARG B 262  HOH B1002  HOH B1005  HOH B1015                    
SITE     1 AC4  6 LYS A  53  ALA A 113  GLU A 117  PHE A 118                    
SITE     2 AC4  6 ASP A 149  HOH A3099                                          
SITE     1 AC5  5 ARG A  46  HIS A  48  PRO A  49  SER A 205                    
SITE     2 AC5  5 HOH A3117                                                     
CRYST1   69.552   61.554   70.989  90.00 111.81  90.00 P 1 21 1      4          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.014378  0.000000  0.005752        0.00000                         
SCALE2      0.000000  0.016246  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.015172        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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