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Database: PDB
Entry: 5HQE
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Original site: 5HQE 
HEADER    OXIDOREDUCTASE/INHIBITOR                21-JAN-16   5HQE              
TITLE     CRYSTAL STRUCTURE OF HUMAN DIHYDROOROTATE DEHYDROGENASE (DHODH) WITH  
TITLE    2 COMPOUND 18T                                                         
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: DIHYDROOROTATE DEHYDROGENASE (QUINONE), MITOCHONDRIAL;     
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: UNP RESIDUES 29-395;                                       
COMPND   5 SYNONYM: DHODEHASE,DIHYDROOROTATE OXIDASE;                           
COMPND   6 EC: 1.3.5.2;                                                         
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: DHODH;                                                         
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21;                            
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 511693;                                     
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: BL21                                       
KEYWDS    ENZYME, OXIDOREDUCTASE-INHIBITOR COMPLEX                              
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    J.HUANG,D.WU,Q.LU                                                     
REVDAT   2   20-MAR-24 5HQE    1       JRNL   REMARK                            
REVDAT   1   27-JUL-16 5HQE    0                                                
JRNL        AUTH   J.HUANG,D.WU,Q.LU                                            
JRNL        TITL   CRYSTAL STRUCTURE OF HUMAN DIHYDROOROTATE DEHYDROGENASE      
JRNL        TITL 2 (DHODH) WITH 18T AT 1.62 A RESOLUTION                        
JRNL        REF    TO BE PUBLISHED                                              
JRNL        REFN                                                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.62 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.7.0032                                      
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : NULL                                          
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.62                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 39.24                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.9                           
REMARK   3   NUMBER OF REFLECTIONS             : 70538                          
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) : 0.161                           
REMARK   3   R VALUE            (WORKING SET) : 0.160                           
REMARK   3   FREE R VALUE                     : 0.182                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 3743                            
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) : 1.62                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.66                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 5123                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 99.89                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.1790                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 252                          
REMARK   3   BIN FREE R VALUE                    : 0.2140                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2790                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 91                                      
REMARK   3   SOLVENT ATOMS            : 162                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 21.41                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.00000                                              
REMARK   3    B22 (A**2) : 0.00000                                              
REMARK   3    B33 (A**2) : -0.01000                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.060         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.062         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.033         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 0.911         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.964                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.956                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  2924 ; 0.028 ; 0.019       
REMARK   3   BOND LENGTHS OTHERS               (A):  2855 ; 0.001 ; 0.020       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  3958 ; 2.704 ; 2.017       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  6539 ; 1.054 ; 3.000       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   364 ; 5.926 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   125 ;34.850 ;22.880       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   493 ;13.334 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    31 ;20.994 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   440 ; 0.153 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  3306 ; 0.015 ; 0.021       
REMARK   3   GENERAL PLANES OTHERS             (A):   649 ; 0.001 ; 0.020       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):  NULL ;  NULL ;  NULL       
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):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):  NULL ;  NULL ;  NULL       
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):  1462 ; 2.187 ; 1.819       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  1458 ; 2.115 ; 1.809       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  1822 ; 3.002 ; 2.712       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  1823 ; 3.004 ; 2.716       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  1461 ; 3.850 ; 2.297       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  1462 ; 3.849 ; 2.297       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  2137 ; 5.684 ; 3.280       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  3336 ; 6.516 ;15.361       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  3337 ; 6.524 ;15.367       
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 : NULL                                                 
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.20                                          
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 5HQE COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 24-JAN-16.                  
REMARK 100 THE DEPOSITION ID IS D_1000217088.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 05-APR-15                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 4.8-5.4                            
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : SSRF                               
REMARK 200  BEAMLINE                       : BL19U1                             
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.987                              
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : RAYONIX MX-225                     
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : PHENIX                             
REMARK 200  DATA SCALING SOFTWARE          : HKL-3000                           
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 70538                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.620                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 39.240                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.9                               
REMARK 200  DATA REDUNDANCY                : 20.00                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 3.5000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL                     
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: COOT                                                  
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 64.04                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.42                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1M ACETATE, 40MM C11DAO, 20.8MM N,N    
REMARK 280  -DIMETHYLDECYLAMINE-N-OXIDE (DDAO), 2MM DHO, 1.6-1.8 M AMMONIUM     
REMARK 280  SULFATE, PH 4.8, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K    
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 32 2 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z+2/3                                            
REMARK 290       3555   -X+Y,-X,Z+1/3                                           
REMARK 290       4555   Y,X,-Z                                                  
REMARK 290       5555   X-Y,-Y,-Z+1/3                                           
REMARK 290       6555   -X,-X+Y,-Z+2/3                                          
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 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       82.01333            
REMARK 290   SMTRY1   3 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   3 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       41.00667            
REMARK 290   SMTRY1   4 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   5  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   5  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000       41.00667            
REMARK 290   SMTRY1   6 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   6 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000       82.01333            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 240 ANGSTROM**2                           
REMARK 350 SURFACE AREA OF THE COMPLEX: 14960 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -14.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 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     7                                                      
REMARK 465     GLY A     8                                                      
REMARK 465     HIS A     9                                                      
REMARK 465     HIS A    10                                                      
REMARK 465     HIS A    11                                                      
REMARK 465     HIS A    12                                                      
REMARK 465     HIS A    13                                                      
REMARK 465     HIS A    14                                                      
REMARK 465     HIS A    15                                                      
REMARK 465     HIS A    16                                                      
REMARK 465     HIS A    17                                                      
REMARK 465     HIS A    18                                                      
REMARK 465     SER A    19                                                      
REMARK 465     SER A    20                                                      
REMARK 465     GLY A    21                                                      
REMARK 465     HIS A    22                                                      
REMARK 465     ILE A    23                                                      
REMARK 465     ASP A    24                                                      
REMARK 465     ASP A    25                                                      
REMARK 465     ASP A    26                                                      
REMARK 465     ASP A    27                                                      
REMARK 465     LYS A    28                                                      
REMARK 465     HIS A    29                                                      
REMARK 465     MET A    30                                                      
REMARK 465     ALA A    31                                                      
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 124    CE   NZ                                             
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    TYR A 195   CE1   TYR A 195   CZ     -0.089                       
REMARK 500    GLU A 266   CD    GLU A 266   OE2    -0.076                       
REMARK 500    GLU A 319   CD    GLU A 319   OE1     0.073                       
REMARK 500    GLU A 344   CD    GLU A 344   OE2     0.076                       
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  61   NE  -  CZ  -  NH1 ANGL. DEV. =   3.0 DEGREES          
REMARK 500    ARG A 133   NE  -  CZ  -  NH2 ANGL. DEV. =  -4.0 DEGREES          
REMARK 500    ARG A 136   NE  -  CZ  -  NH1 ANGL. DEV. =   4.0 DEGREES          
REMARK 500    ARG A 136   NE  -  CZ  -  NH2 ANGL. DEV. =  -4.9 DEGREES          
REMARK 500    ASP A 207   CB  -  CG  -  OD1 ANGL. DEV. =  -6.2 DEGREES          
REMARK 500    ASP A 207   CB  -  CG  -  OD2 ANGL. DEV. =   8.0 DEGREES          
REMARK 500    ARG A 249   NE  -  CZ  -  NH1 ANGL. DEV. =   3.0 DEGREES          
REMARK 500    ARG A 298   NE  -  CZ  -  NH1 ANGL. DEV. =  -3.0 DEGREES          
REMARK 500    ASP A 311   CB  -  CG  -  OD1 ANGL. DEV. =   9.6 DEGREES          
REMARK 500    ARG A 347   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.1 DEGREES          
REMARK 500    ASP A 393   CB  -  CG  -  OD1 ANGL. DEV. =   6.6 DEGREES          
REMARK 500    ASP A 393   CB  -  CG  -  OD2 ANGL. DEV. =  -6.0 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    HIS A  41      -60.02   -120.09                                   
REMARK 500    ALA A  71       72.01   -101.46                                   
REMARK 500    ARG A 133       14.62   -143.30                                   
REMARK 500    TYR A 356      -62.02   -138.02                                   
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 64B A 401                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue FMN A 402                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue ORO A 403                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue SO4 A 404                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue SO4 A 405                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue SO4 A 406                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue ACT A 407                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue ACT A 408                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC9                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue ACT A 409                 
DBREF  5HQE A   30   396  UNP    Q02127   PYRD_HUMAN      29    395             
SEQADV 5HQE MET A    7  UNP  Q02127              INITIATING METHIONINE          
SEQADV 5HQE GLY A    8  UNP  Q02127              EXPRESSION TAG                 
SEQADV 5HQE HIS A    9  UNP  Q02127              EXPRESSION TAG                 
SEQADV 5HQE HIS A   10  UNP  Q02127              EXPRESSION TAG                 
SEQADV 5HQE HIS A   11  UNP  Q02127              EXPRESSION TAG                 
SEQADV 5HQE HIS A   12  UNP  Q02127              EXPRESSION TAG                 
SEQADV 5HQE HIS A   13  UNP  Q02127              EXPRESSION TAG                 
SEQADV 5HQE HIS A   14  UNP  Q02127              EXPRESSION TAG                 
SEQADV 5HQE HIS A   15  UNP  Q02127              EXPRESSION TAG                 
SEQADV 5HQE HIS A   16  UNP  Q02127              EXPRESSION TAG                 
SEQADV 5HQE HIS A   17  UNP  Q02127              EXPRESSION TAG                 
SEQADV 5HQE HIS A   18  UNP  Q02127              EXPRESSION TAG                 
SEQADV 5HQE SER A   19  UNP  Q02127              EXPRESSION TAG                 
SEQADV 5HQE SER A   20  UNP  Q02127              EXPRESSION TAG                 
SEQADV 5HQE GLY A   21  UNP  Q02127              EXPRESSION TAG                 
SEQADV 5HQE HIS A   22  UNP  Q02127              EXPRESSION TAG                 
SEQADV 5HQE ILE A   23  UNP  Q02127              EXPRESSION TAG                 
SEQADV 5HQE ASP A   24  UNP  Q02127              EXPRESSION TAG                 
SEQADV 5HQE ASP A   25  UNP  Q02127              EXPRESSION TAG                 
SEQADV 5HQE ASP A   26  UNP  Q02127              EXPRESSION TAG                 
SEQADV 5HQE ASP A   27  UNP  Q02127              EXPRESSION TAG                 
SEQADV 5HQE LYS A   28  UNP  Q02127              EXPRESSION TAG                 
SEQADV 5HQE HIS A   29  UNP  Q02127              EXPRESSION TAG                 
SEQRES   1 A  390  MET GLY HIS HIS HIS HIS HIS HIS HIS HIS HIS HIS SER          
SEQRES   2 A  390  SER GLY HIS ILE ASP ASP ASP ASP LYS HIS MET ALA THR          
SEQRES   3 A  390  GLY ASP GLU ARG PHE TYR ALA GLU HIS LEU MET PRO THR          
SEQRES   4 A  390  LEU GLN GLY LEU LEU ASP PRO GLU SER ALA HIS ARG LEU          
SEQRES   5 A  390  ALA VAL ARG PHE THR SER LEU GLY LEU LEU PRO ARG ALA          
SEQRES   6 A  390  ARG PHE GLN ASP SER ASP MET LEU GLU VAL ARG VAL LEU          
SEQRES   7 A  390  GLY HIS LYS PHE ARG ASN PRO VAL GLY ILE ALA ALA GLY          
SEQRES   8 A  390  PHE ASP LYS HIS GLY GLU ALA VAL ASP GLY LEU TYR LYS          
SEQRES   9 A  390  MET GLY PHE GLY PHE VAL GLU ILE GLY SER VAL THR PRO          
SEQRES  10 A  390  LYS PRO GLN GLU GLY ASN PRO ARG PRO ARG VAL PHE ARG          
SEQRES  11 A  390  LEU PRO GLU ASP GLN ALA VAL ILE ASN ARG TYR GLY PHE          
SEQRES  12 A  390  ASN SER HIS GLY LEU SER VAL VAL GLU HIS ARG LEU ARG          
SEQRES  13 A  390  ALA ARG GLN GLN LYS GLN ALA LYS LEU THR GLU ASP GLY          
SEQRES  14 A  390  LEU PRO LEU GLY VAL ASN LEU GLY LYS ASN LYS THR SER          
SEQRES  15 A  390  VAL ASP ALA ALA GLU ASP TYR ALA GLU GLY VAL ARG VAL          
SEQRES  16 A  390  LEU GLY PRO LEU ALA ASP TYR LEU VAL VAL ASN VAL SER          
SEQRES  17 A  390  SER PRO ASN THR ALA GLY LEU ARG SER LEU GLN GLY LYS          
SEQRES  18 A  390  ALA GLU LEU ARG ARG LEU LEU THR LYS VAL LEU GLN GLU          
SEQRES  19 A  390  ARG ASP GLY LEU ARG ARG VAL HIS ARG PRO ALA VAL LEU          
SEQRES  20 A  390  VAL LYS ILE ALA PRO ASP LEU THR SER GLN ASP LYS GLU          
SEQRES  21 A  390  ASP ILE ALA SER VAL VAL LYS GLU LEU GLY ILE ASP GLY          
SEQRES  22 A  390  LEU ILE VAL THR ASN THR THR VAL SER ARG PRO ALA GLY          
SEQRES  23 A  390  LEU GLN GLY ALA LEU ARG SER GLU THR GLY GLY LEU SER          
SEQRES  24 A  390  GLY LYS PRO LEU ARG ASP LEU SER THR GLN THR ILE ARG          
SEQRES  25 A  390  GLU MET TYR ALA LEU THR GLN GLY ARG VAL PRO ILE ILE          
SEQRES  26 A  390  GLY VAL GLY GLY VAL SER SER GLY GLN ASP ALA LEU GLU          
SEQRES  27 A  390  LYS ILE ARG ALA GLY ALA SER LEU VAL GLN LEU TYR THR          
SEQRES  28 A  390  ALA LEU THR PHE TRP GLY PRO PRO VAL VAL GLY LYS VAL          
SEQRES  29 A  390  LYS ARG GLU LEU GLU ALA LEU LEU LYS GLU GLN GLY PHE          
SEQRES  30 A  390  GLY GLY VAL THR ASP ALA ILE GLY ALA ASP HIS ARG ARG          
HET    64B  A 401      22                                                       
HET    FMN  A 402      31                                                       
HET    ORO  A 403      11                                                       
HET    SO4  A 404       5                                                       
HET    SO4  A 405       5                                                       
HET    SO4  A 406       5                                                       
HET    ACT  A 407       4                                                       
HET    ACT  A 408       4                                                       
HET    ACT  A 409       4                                                       
HETNAM     64B METHYL (2Z)-CYANO[3-(2-FLUORO-4-METHOXYPHENYL)-4-OXO-1,          
HETNAM   2 64B  3-THIAZOLIDIN-2-YLIDENE]ACETATE                                 
HETNAM     FMN FLAVIN MONONUCLEOTIDE                                            
HETNAM     ORO OROTIC ACID                                                      
HETNAM     SO4 SULFATE ION                                                      
HETNAM     ACT ACETATE ION                                                      
HETSYN     FMN RIBOFLAVIN MONOPHOSPHATE                                         
FORMUL   2  64B    C14 H11 F N2 O4 S                                            
FORMUL   3  FMN    C17 H21 N4 O9 P                                              
FORMUL   4  ORO    C5 H4 N2 O4                                                  
FORMUL   5  SO4    3(O4 S 2-)                                                   
FORMUL   8  ACT    3(C2 H3 O2 1-)                                               
FORMUL  11  HOH   *162(H2 O)                                                    
HELIX    1 AA1 THR A   32  HIS A   41  1                                  10    
HELIX    2 AA2 HIS A   41  LEU A   50  1                                  10    
HELIX    3 AA3 ASP A   51  LEU A   65  1                                  15    
HELIX    4 AA4 SER A   76  GLU A   80  5                                   5    
HELIX    5 AA5 ALA A  104  GLY A  112  1                                   9    
HELIX    6 AA6 PRO A  138  ASP A  140  5                                   3    
HELIX    7 AA7 GLY A  153  ALA A  163  1                                  11    
HELIX    8 AA8 ARG A  164  ASP A  174  1                                  11    
HELIX    9 AA9 ASP A  190  GLY A  203  1                                  14    
HELIX   10 AB1 PRO A  204  ALA A  206  5                                   3    
HELIX   11 AB2 GLY A  220  GLN A  225  5                                   6    
HELIX   12 AB3 GLY A  226  GLY A  243  1                                  18    
HELIX   13 AB4 ARG A  245  ARG A  249  5                                   5    
HELIX   14 AB5 THR A  261  GLY A  276  1                                  16    
HELIX   15 AB6 LEU A  309  THR A  324  1                                  16    
HELIX   16 AB7 SER A  338  GLY A  349  1                                  12    
HELIX   17 AB8 TYR A  356  GLY A  363  1                                   8    
HELIX   18 AB9 PRO A  365  GLN A  381  1                                  17    
HELIX   19 AC1 GLY A  385  ILE A  390  1                                   6    
HELIX   20 AC2 GLY A  391  ARG A  395  5                                   5    
SHEET    1 AA1 2 VAL A  81  VAL A  83  0                                        
SHEET    2 AA1 2 HIS A  86  PHE A  88 -1  O  PHE A  88   N  VAL A  81           
SHEET    1 AA2 9 VAL A  92  ILE A  94  0                                        
SHEET    2 AA2 9 PHE A 115  VAL A 121  1  O  PHE A 115   N  ILE A  94           
SHEET    3 AA2 9 LEU A 178  LEU A 182  1  O  GLY A 179   N  VAL A 116           
SHEET    4 AA2 9 TYR A 208  ASN A 212  1  O  VAL A 210   N  LEU A 182           
SHEET    5 AA2 9 ALA A 251  ILE A 256  1  O  LEU A 253   N  LEU A 209           
SHEET    6 AA2 9 GLY A 279  VAL A 282  1  O  ILE A 281   N  VAL A 254           
SHEET    7 AA2 9 ILE A 330  VAL A 333  1  O  ILE A 331   N  LEU A 280           
SHEET    8 AA2 9 LEU A 352  LEU A 355  1  O  LEU A 352   N  GLY A 332           
SHEET    9 AA2 9 VAL A  92  ILE A  94  1  N  GLY A  93   O  VAL A 353           
SHEET    1 AA3 3 VAL A 134  LEU A 137  0                                        
SHEET    2 AA3 3 ALA A 142  ASN A 145 -1  O  ALA A 142   N  LEU A 137           
SHEET    3 AA3 3 GLY A 303  GLY A 306 -1  O  GLY A 303   N  ASN A 145           
CISPEP   1 GLY A  119    SER A  120          0         3.32                     
CISPEP   2 ARG A  131    PRO A  132          0         1.26                     
CISPEP   3 VAL A  282    THR A  283          0        13.20                     
SITE     1 AC1 13 TYR A  38  LEU A  42  MET A  43  LEU A  46                    
SITE     2 AC1 13 LEU A  58  ALA A  59  PHE A  62  THR A  63                    
SITE     3 AC1 13 LEU A  67  LEU A  68  PRO A  69  PRO A 364                    
SITE     4 AC1 13 HOH A 589                                                     
SITE     1 AC2 25 ALA A  95  ALA A  96  GLY A  97  LYS A 100                    
SITE     2 AC2 25 SER A 120  ASN A 145  TYR A 147  ASN A 181                    
SITE     3 AC2 25 ASN A 212  LYS A 255  THR A 283  ASN A 284                    
SITE     4 AC2 25 THR A 285  SER A 305  GLY A 306  LEU A 309                    
SITE     5 AC2 25 VAL A 333  GLY A 334  GLY A 335  LEU A 355                    
SITE     6 AC2 25 TYR A 356  THR A 357  ORO A 403  HOH A 514                    
SITE     7 AC2 25 HOH A 533                                                     
SITE     1 AC3 11 LYS A 100  ASN A 145  TYR A 147  GLY A 148                    
SITE     2 AC3 11 PHE A 149  ASN A 212  SER A 215  ASN A 217                    
SITE     3 AC3 11 ASN A 284  THR A 285  FMN A 402                               
SITE     1 AC4  4 ALA A 219  GLY A 220  ARG A 222  HOH A 605                    
SITE     1 AC5  4 ARG A 245  VAL A 247  HIS A 248  HOH A 503                    
SITE     1 AC6  7 ARG A  57  HIS A 101  ASN A 150  HIS A 152                    
SITE     2 AC6  7 ACT A 407  HOH A 523  HOH A 567                               
SITE     1 AC7  4 GLN A 126  GLU A 127  SER A 151  SO4 A 406                    
SITE     1 AC8  1 GLU A 197                                                     
SITE     1 AC9  3 LYS A 170  THR A 261  GLN A 263                               
CRYST1   90.624   90.624  123.020  90.00  90.00 120.00 P 32 2 1      6          
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      0.011035  0.006371  0.000000        0.00000                         
SCALE2      0.000000  0.012742  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.008129        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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