PDB Short entry for 3D8T
HEADER    LYASE                                   23-MAY-08   3D8T              
TITLE     THERMUS THERMOPHILUS UROPORPHYRINOGEN III SYNTHASE                    
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: UROPORPHYRINOGEN-III SYNTHASE;                             
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 EC: 4.2.1.75;                                                        
COMPND   5 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: THERMUS THERMOPHILUS;                           
SOURCE   3 ORGANISM_TAXID: 262724;                                              
SOURCE   4 STRAIN: HB27;                                                        
SOURCE   5 GENE: TT_C0312;                                                      
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_STRAIN: BL21(DE3);                                 
SOURCE   8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   9 EXPRESSION_SYSTEM_PLASMID: PET151                                    
KEYWDS    HEME BIOSYNTHESIS, LYASE                                              
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    H.L.SCHUBERT                                                          
REVDAT   3   24-FEB-09 3D8T    1       VERSN                                    
REVDAT   2   26-AUG-08 3D8T    1       JRNL                                     
REVDAT   1   12-AUG-08 3D8T    0                                                
JRNL        AUTH   H.L.SCHUBERT,J.D.PHILLIPS,A.HEROUX,C.P.HILL                  
JRNL        TITL   STRUCTURE AND MECHANISTIC IMPLICATIONS OF A                  
JRNL        TITL 2 UROPORPHYRINOGEN III SYNTHASE-PRODUCT COMPLEX.               
JRNL        REF    BIOCHEMISTRY                  V.  47  8648 2008              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   18651750                                                     
JRNL        DOI    10.1021/BI800635Y                                            
REMARK   1                                                                      
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.60 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.3.0008                                      
REMARK   3   AUTHORS     : MURSHUDOV,VAGIN,DODSON                               
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) : 34.03                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 94.1                           
REMARK   3   NUMBER OF REFLECTIONS             : 48973                          
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) : 0.192                           
REMARK   3   R VALUE            (WORKING SET) : 0.190                           
REMARK   3   FREE R VALUE                     : 0.236                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.100                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 3324                            
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) : 1.64                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 2733                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 55.56                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2520                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 129                          
REMARK   3   BIN FREE R VALUE                    : 0.3500                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 4066                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 16                                      
REMARK   3   SOLVENT ATOMS            : 598                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 23.99                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.68000                                              
REMARK   3    B22 (A**2) : -0.50000                                             
REMARK   3    B33 (A**2) : -0.17000                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.05000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.144         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.106         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.062         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 3.776         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.955                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.936                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  4140 ; 0.014 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  5626 ; 1.409 ; 2.014       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   541 ; 5.159 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   176 ;26.283 ;22.102       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   736 ;13.634 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    50 ;18.393 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   629 ; 0.097 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  3170 ; 0.006 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  2058 ; 0.219 ; 0.200       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  2787 ; 0.310 ; 0.200       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):   390 ; 0.200 ; 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):    70 ; 0.143 ; 0.200       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):    45 ; 0.222 ; 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):  2689 ; 1.483 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  4172 ; 2.258 ; 2.000       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  1611 ; 3.051 ; 3.000       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  1450 ; 4.552 ; 4.500       
REMARK   3                                                                      
REMARK   3 ANISOTROPIC THERMAL FACTOR RESTRAINTS.    COUNT   RMS   WEIGHT       
REMARK   3   RIGID-BOND RESTRAINTS          (A**2):  4300 ; 1.753 ; 3.000       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):   466 ; 6.140 ; 3.000       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  4047 ; 8.975 ; 3.000       
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: NULL                                      
REMARK   4                                                                      
REMARK   4 3D8T COMPLIES WITH FORMAT V. 3.15, 01-DEC-08                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 17-JUN-08.                  
REMARK 100 THE RCSB ID CODE IS RCSB047736.                                      
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 27-OCT-05                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 8.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : NSLS                               
REMARK 200  BEAMLINE                       : X25                                
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.0                                
REMARK 200  MONOCHROMATOR                  : SI(111)                            
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 315                   
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : HKL-2000                           
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 58034                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.600                              
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) : 0.04100                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 30.3000                            
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     (%) : NULL                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : 0.35100                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.200                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL                         
REMARK 200 SOFTWARE USED: PHASER                                                
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 42.72                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.15                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 8000, MGCL2, TRIS-HCL, PH 8.5,       
REMARK 280  VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 277K                     
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       44.97850            
REMARK 290   SMTRY3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2                                                    
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 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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   -33                                                      
REMARK 465     HIS A   -32                                                      
REMARK 465     HIS A   -31                                                      
REMARK 465     HIS A   -30                                                      
REMARK 465     HIS A   -29                                                      
REMARK 465     HIS A   -28                                                      
REMARK 465     HIS A   -27                                                      
REMARK 465     GLY A   -26                                                      
REMARK 465     LYS A   -25                                                      
REMARK 465     PRO A   -24                                                      
REMARK 465     ILE A   -23                                                      
REMARK 465     PRO A   -22                                                      
REMARK 465     ASN A   -21                                                      
REMARK 465     PRO A   -20                                                      
REMARK 465     LEU A   -19                                                      
REMARK 465     LEU A   -18                                                      
REMARK 465     GLY A   -17                                                      
REMARK 465     LEU A   -16                                                      
REMARK 465     ASP A   -15                                                      
REMARK 465     SER A   -14                                                      
REMARK 465     THR A   -13                                                      
REMARK 465     GLU A   -12                                                      
REMARK 465     ASN A   -11                                                      
REMARK 465     LEU A   -10                                                      
REMARK 465     TYR A    -9                                                      
REMARK 465     PHE A    -8                                                      
REMARK 465     GLN A    -7                                                      
REMARK 465     GLY A    -6                                                      
REMARK 465     ILE A    -5                                                      
REMARK 465     ASP A    -4                                                      
REMARK 465     PRO A    -3                                                      
REMARK 465     PHE A    -2                                                      
REMARK 465     VAL A   252                                                      
REMARK 465     ALA A   253                                                      
REMARK 465     MET B   -33                                                      
REMARK 465     HIS B   -32                                                      
REMARK 465     HIS B   -31                                                      
REMARK 465     HIS B   -30                                                      
REMARK 465     HIS B   -29                                                      
REMARK 465     HIS B   -28                                                      
REMARK 465     HIS B   -27                                                      
REMARK 465     GLY B   -26                                                      
REMARK 465     LYS B   -25                                                      
REMARK 465     PRO B   -24                                                      
REMARK 465     ILE B   -23                                                      
REMARK 465     PRO B   -22                                                      
REMARK 465     ASN B   -21                                                      
REMARK 465     PRO B   -20                                                      
REMARK 465     LEU B   -19                                                      
REMARK 465     LEU B   -18                                                      
REMARK 465     GLY B   -17                                                      
REMARK 465     LEU B   -16                                                      
REMARK 465     ASP B   -15                                                      
REMARK 465     SER B   -14                                                      
REMARK 465     THR B   -13                                                      
REMARK 465     GLU B   -12                                                      
REMARK 465     ASN B   -11                                                      
REMARK 465     LEU B   -10                                                      
REMARK 465     TYR B    -9                                                      
REMARK 465     PHE B    -8                                                      
REMARK 465     GLN B    -7                                                      
REMARK 465     GLY B    -6                                                      
REMARK 465     ILE B    -5                                                      
REMARK 465     ASP B    -4                                                      
REMARK 465     PRO B    -3                                                      
REMARK 465     PHE B    -2                                                      
REMARK 465     GLN B   249                                                      
REMARK 465     LYS B   250                                                      
REMARK 465     GLU B   251                                                      
REMARK 465     VAL B   252                                                      
REMARK 465     ALA B   253                                                      
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   O    HOH A   320     O    HOH B   453              2.19            
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    THR A 206      -80.86   -130.20                                   
REMARK 500    THR B 206      -88.80   -135.91                                   
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 ACT A 254                 
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACT A 255                 
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACT A 256                 
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACT B 254                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1JR2   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF UROPORPHYRINOGEN III SYNTHASE                           
REMARK 900 RELATED ID: 1WD7   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3D8N   RELATED DB: PDB                                   
REMARK 900 SAME PROTEIN COMPLEXED WITH LIGAND UP3                               
REMARK 900 RELATED ID: 3D8R   RELATED DB: PDB                                   
REMARK 900 SAME PROTEIN COMPLEXED WITH PO4                                      
REMARK 900 RELATED ID: 3D8S   RELATED DB: PDB                                   
REMARK 900 SAME PROTEIN COMPLEXED WITH GLYCEROL                                 
DBREF  3D8T A    1   253  UNP    Q72KM1   Q72KM1_THET2     1    253             
DBREF  3D8T B    1   253  UNP    Q72KM1   Q72KM1_THET2     1    253             
SEQADV 3D8T MET A  -33  UNP  Q72KM1              EXPRESSION TAG                 
SEQADV 3D8T HIS A  -32  UNP  Q72KM1              EXPRESSION TAG                 
SEQADV 3D8T HIS A  -31  UNP  Q72KM1              EXPRESSION TAG                 
SEQADV 3D8T HIS A  -30  UNP  Q72KM1              EXPRESSION TAG                 
SEQADV 3D8T HIS A  -29  UNP  Q72KM1              EXPRESSION TAG                 
SEQADV 3D8T HIS A  -28  UNP  Q72KM1              EXPRESSION TAG                 
SEQADV 3D8T HIS A  -27  UNP  Q72KM1              EXPRESSION TAG                 
SEQADV 3D8T GLY A  -26  UNP  Q72KM1              EXPRESSION TAG                 
SEQADV 3D8T LYS A  -25  UNP  Q72KM1              EXPRESSION TAG                 
SEQADV 3D8T PRO A  -24  UNP  Q72KM1              EXPRESSION TAG                 
SEQADV 3D8T ILE A  -23  UNP  Q72KM1              EXPRESSION TAG                 
SEQADV 3D8T PRO A  -22  UNP  Q72KM1              EXPRESSION TAG                 
SEQADV 3D8T ASN A  -21  UNP  Q72KM1              EXPRESSION TAG                 
SEQADV 3D8T PRO A  -20  UNP  Q72KM1              EXPRESSION TAG                 
SEQADV 3D8T LEU A  -19  UNP  Q72KM1              EXPRESSION TAG                 
SEQADV 3D8T LEU A  -18  UNP  Q72KM1              EXPRESSION TAG                 
SEQADV 3D8T GLY A  -17  UNP  Q72KM1              EXPRESSION TAG                 
SEQADV 3D8T LEU A  -16  UNP  Q72KM1              EXPRESSION TAG                 
SEQADV 3D8T ASP A  -15  UNP  Q72KM1              EXPRESSION TAG                 
SEQADV 3D8T SER A  -14  UNP  Q72KM1              EXPRESSION TAG                 
SEQADV 3D8T THR A  -13  UNP  Q72KM1              EXPRESSION TAG                 
SEQADV 3D8T GLU A  -12  UNP  Q72KM1              EXPRESSION TAG                 
SEQADV 3D8T ASN A  -11  UNP  Q72KM1              EXPRESSION TAG                 
SEQADV 3D8T LEU A  -10  UNP  Q72KM1              EXPRESSION TAG                 
SEQADV 3D8T TYR A   -9  UNP  Q72KM1              EXPRESSION TAG                 
SEQADV 3D8T PHE A   -8  UNP  Q72KM1              EXPRESSION TAG                 
SEQADV 3D8T GLN A   -7  UNP  Q72KM1              EXPRESSION TAG                 
SEQADV 3D8T GLY A   -6  UNP  Q72KM1              EXPRESSION TAG                 
SEQADV 3D8T ILE A   -5  UNP  Q72KM1              EXPRESSION TAG                 
SEQADV 3D8T ASP A   -4  UNP  Q72KM1              EXPRESSION TAG                 
SEQADV 3D8T PRO A   -3  UNP  Q72KM1              EXPRESSION TAG                 
SEQADV 3D8T PHE A   -2  UNP  Q72KM1              EXPRESSION TAG                 
SEQADV 3D8T THR A   -1  UNP  Q72KM1              EXPRESSION TAG                 
SEQADV 3D8T MET B  -33  UNP  Q72KM1              EXPRESSION TAG                 
SEQADV 3D8T HIS B  -32  UNP  Q72KM1              EXPRESSION TAG                 
SEQADV 3D8T HIS B  -31  UNP  Q72KM1              EXPRESSION TAG                 
SEQADV 3D8T HIS B  -30  UNP  Q72KM1              EXPRESSION TAG                 
SEQADV 3D8T HIS B  -29  UNP  Q72KM1              EXPRESSION TAG                 
SEQADV 3D8T HIS B  -28  UNP  Q72KM1              EXPRESSION TAG                 
SEQADV 3D8T HIS B  -27  UNP  Q72KM1              EXPRESSION TAG                 
SEQADV 3D8T GLY B  -26  UNP  Q72KM1              EXPRESSION TAG                 
SEQADV 3D8T LYS B  -25  UNP  Q72KM1              EXPRESSION TAG                 
SEQADV 3D8T PRO B  -24  UNP  Q72KM1              EXPRESSION TAG                 
SEQADV 3D8T ILE B  -23  UNP  Q72KM1              EXPRESSION TAG                 
SEQADV 3D8T PRO B  -22  UNP  Q72KM1              EXPRESSION TAG                 
SEQADV 3D8T ASN B  -21  UNP  Q72KM1              EXPRESSION TAG                 
SEQADV 3D8T PRO B  -20  UNP  Q72KM1              EXPRESSION TAG                 
SEQADV 3D8T LEU B  -19  UNP  Q72KM1              EXPRESSION TAG                 
SEQADV 3D8T LEU B  -18  UNP  Q72KM1              EXPRESSION TAG                 
SEQADV 3D8T GLY B  -17  UNP  Q72KM1              EXPRESSION TAG                 
SEQADV 3D8T LEU B  -16  UNP  Q72KM1              EXPRESSION TAG                 
SEQADV 3D8T ASP B  -15  UNP  Q72KM1              EXPRESSION TAG                 
SEQADV 3D8T SER B  -14  UNP  Q72KM1              EXPRESSION TAG                 
SEQADV 3D8T THR B  -13  UNP  Q72KM1              EXPRESSION TAG                 
SEQADV 3D8T GLU B  -12  UNP  Q72KM1              EXPRESSION TAG                 
SEQADV 3D8T ASN B  -11  UNP  Q72KM1              EXPRESSION TAG                 
SEQADV 3D8T LEU B  -10  UNP  Q72KM1              EXPRESSION TAG                 
SEQADV 3D8T TYR B   -9  UNP  Q72KM1              EXPRESSION TAG                 
SEQADV 3D8T PHE B   -8  UNP  Q72KM1              EXPRESSION TAG                 
SEQADV 3D8T GLN B   -7  UNP  Q72KM1              EXPRESSION TAG                 
SEQADV 3D8T GLY B   -6  UNP  Q72KM1              EXPRESSION TAG                 
SEQADV 3D8T ILE B   -5  UNP  Q72KM1              EXPRESSION TAG                 
SEQADV 3D8T ASP B   -4  UNP  Q72KM1              EXPRESSION TAG                 
SEQADV 3D8T PRO B   -3  UNP  Q72KM1              EXPRESSION TAG                 
SEQADV 3D8T PHE B   -2  UNP  Q72KM1              EXPRESSION TAG                 
SEQADV 3D8T THR B   -1  UNP  Q72KM1              EXPRESSION TAG                 
SEQRES   1 A  286  MET HIS HIS HIS HIS HIS HIS GLY LYS PRO ILE PRO ASN          
SEQRES   2 A  286  PRO LEU LEU GLY LEU ASP SER THR GLU ASN LEU TYR PHE          
SEQRES   3 A  286  GLN GLY ILE ASP PRO PHE THR MET ARG ILE ALA TYR ALA          
SEQRES   4 A  286  GLY LEU ARG ARG LYS GLU GLU PHE LYS ALA LEU ALA GLU          
SEQRES   5 A  286  LYS LEU GLY PHE THR PRO LEU LEU PHE PRO VAL GLN ALA          
SEQRES   6 A  286  THR GLU LYS VAL PRO VAL PRO GLU TYR ARG ASP GLN VAL          
SEQRES   7 A  286  ARG GLU LEU ALA GLN GLY VAL ASP LEU PHE LEU ALA THR          
SEQRES   8 A  286  THR GLY VAL GLY VAL ARG ASP LEU LEU GLU ALA GLY LYS          
SEQRES   9 A  286  ALA LEU GLY LEU ASP LEU GLU GLY PRO LEU ALA LYS ALA          
SEQRES  10 A  286  PHE ARG LEU ALA ARG GLY ALA LYS ALA ALA ARG ALA LEU          
SEQRES  11 A  286  LYS GLU ALA GLY LEU PRO PRO HIS ALA VAL GLY ASP GLY          
SEQRES  12 A  286  THR SER LYS SER LEU LEU PRO LEU LEU PRO GLN GLY ARG          
SEQRES  13 A  286  GLY VAL ALA ALA LEU GLN LEU TYR GLY LYS PRO LEU PRO          
SEQRES  14 A  286  LEU LEU GLU ASN ALA LEU ALA GLU ARG GLY TYR ARG VAL          
SEQRES  15 A  286  LEU PRO LEU MET PRO TYR ARG HIS LEU PRO ASP PRO GLU          
SEQRES  16 A  286  GLY ILE LEU ARG LEU GLU GLU ALA VAL LEU ARG GLY GLU          
SEQRES  17 A  286  VAL ASP ALA LEU ALA PHE VAL ALA ALA ILE GLN VAL GLU          
SEQRES  18 A  286  PHE LEU PHE GLU GLY ALA LYS ASP PRO LYS ALA LEU ARG          
SEQRES  19 A  286  GLU ALA LEU ASN THR ARG VAL LYS ALA LEU ALA VAL GLY          
SEQRES  20 A  286  ARG VAL THR ALA ASP ALA LEU ARG GLU TRP GLY VAL LYS          
SEQRES  21 A  286  PRO PHE TYR VAL ASP GLU THR GLU ARG LEU GLY SER LEU          
SEQRES  22 A  286  LEU GLN GLY PHE LYS ARG ALA LEU GLN LYS GLU VAL ALA          
SEQRES   1 B  286  MET HIS HIS HIS HIS HIS HIS GLY LYS PRO ILE PRO ASN          
SEQRES   2 B  286  PRO LEU LEU GLY LEU ASP SER THR GLU ASN LEU TYR PHE          
SEQRES   3 B  286  GLN GLY ILE ASP PRO PHE THR MET ARG ILE ALA TYR ALA          
SEQRES   4 B  286  GLY LEU ARG ARG LYS GLU GLU PHE LYS ALA LEU ALA GLU          
SEQRES   5 B  286  LYS LEU GLY PHE THR PRO LEU LEU PHE PRO VAL GLN ALA          
SEQRES   6 B  286  THR GLU LYS VAL PRO VAL PRO GLU TYR ARG ASP GLN VAL          
SEQRES   7 B  286  ARG GLU LEU ALA GLN GLY VAL ASP LEU PHE LEU ALA THR          
SEQRES   8 B  286  THR GLY VAL GLY VAL ARG ASP LEU LEU GLU ALA GLY LYS          
SEQRES   9 B  286  ALA LEU GLY LEU ASP LEU GLU GLY PRO LEU ALA LYS ALA          
SEQRES  10 B  286  PHE ARG LEU ALA ARG GLY ALA LYS ALA ALA ARG ALA LEU          
SEQRES  11 B  286  LYS GLU ALA GLY LEU PRO PRO HIS ALA VAL GLY ASP GLY          
SEQRES  12 B  286  THR SER LYS SER LEU LEU PRO LEU LEU PRO GLN GLY ARG          
SEQRES  13 B  286  GLY VAL ALA ALA LEU GLN LEU TYR GLY LYS PRO LEU PRO          
SEQRES  14 B  286  LEU LEU GLU ASN ALA LEU ALA GLU ARG GLY TYR ARG VAL          
SEQRES  15 B  286  LEU PRO LEU MET PRO TYR ARG HIS LEU PRO ASP PRO GLU          
SEQRES  16 B  286  GLY ILE LEU ARG LEU GLU GLU ALA VAL LEU ARG GLY GLU          
SEQRES  17 B  286  VAL ASP ALA LEU ALA PHE VAL ALA ALA ILE GLN VAL GLU          
SEQRES  18 B  286  PHE LEU PHE GLU GLY ALA LYS ASP PRO LYS ALA LEU ARG          
SEQRES  19 B  286  GLU ALA LEU ASN THR ARG VAL LYS ALA LEU ALA VAL GLY          
SEQRES  20 B  286  ARG VAL THR ALA ASP ALA LEU ARG GLU TRP GLY VAL LYS          
SEQRES  21 B  286  PRO PHE TYR VAL ASP GLU THR GLU ARG LEU GLY SER LEU          
SEQRES  22 B  286  LEU GLN GLY PHE LYS ARG ALA LEU GLN LYS GLU VAL ALA          
HET    ACT  A 254       4                                                       
HET    ACT  A 255       4                                                       
HET    ACT  A 256       4                                                       
HET    ACT  B 254       4                                                       
HETNAM     ACT ACETATE ION                                                      
FORMUL   3  ACT    4(C2 H3 O2 1-)                                               
FORMUL   7  HOH   *598(H2 O)                                                    
HELIX    1   1 ARG A   10  GLY A   22  1                                  13    
HELIX    2   2 GLU A   40  ALA A   49  1                                  10    
HELIX    3   3 THR A   59  LEU A   73  1                                  15    
HELIX    4   4 LEU A   77  ALA A   84  1                                   8    
HELIX    5   5 GLY A   90  ALA A  100  1                                  11    
HELIX    6   6 THR A  111  LEU A  119  5                                   9    
HELIX    7   7 LEU A  135  ARG A  145  1                                  11    
HELIX    8   8 ASP A  160  ARG A  173  1                                  14    
HELIX    9   9 ALA A  183  ALA A  194  1                                  12    
HELIX   10  10 ASP A  196  ASN A  205  1                                  10    
HELIX   11  11 GLY A  214  TRP A  224  1                                  11    
HELIX   12  12 ARG A  236  GLU A  251  1                                  16    
HELIX   13  13 ARG B   10  LEU B   21  1                                  12    
HELIX   14  14 GLU B   40  ALA B   49  1                                  10    
HELIX   15  15 THR B   59  LEU B   73  1                                  15    
HELIX   16  16 LEU B   77  LYS B   83  1                                   7    
HELIX   17  17 GLY B   90  ALA B  100  1                                  11    
HELIX   18  18 SER B  112  LEU B  119  5                                   8    
HELIX   19  19 LEU B  135  ARG B  145  1                                  11    
HELIX   20  20 ASP B  160  ARG B  173  1                                  14    
HELIX   21  21 ALA B  183  ALA B  194  1                                  12    
HELIX   22  22 ASP B  196  ASN B  205  1                                  10    
HELIX   23  23 GLY B  214  TRP B  224  1                                  11    
HELIX   24  24 ARG B  236  LEU B  248  1                                  13    
SHEET    1   A 5 THR A  24  LEU A  27  0                                        
SHEET    2   A 5 ARG A   2  TYR A   5  1  N  ILE A   3   O  THR A  24           
SHEET    3   A 5 ALA A 178  PHE A 181  1  O  ALA A 180   N  ALA A   4           
SHEET    4   A 5 LYS A 209  VAL A 213  1  O  LEU A 211   N  LEU A 179           
SHEET    5   A 5 TYR A 230  ASP A 232  1  O  ASP A 232   N  ALA A 212           
SHEET    1   B 2 GLN A  31  PRO A  37  0                                        
SHEET    2   B 2 TYR A 155  PRO A 159 -1  O  LEU A 158   N  ALA A  32           
SHEET    1   C 5 ALA A 106  VAL A 107  0                                        
SHEET    2   C 5 PHE A  85  ALA A  88  1  N  ALA A  88   O  ALA A 106           
SHEET    3   C 5 LEU A  54  ALA A  57  1  N  PHE A  55   O  LEU A  87           
SHEET    4   C 5 VAL A 125  GLN A 129  1  O  ALA A 127   N  LEU A  54           
SHEET    5   C 5 ARG A 148  LEU A 152  1  O  ARG A 148   N  ALA A 126           
SHEET    1   D 5 THR B  24  LEU B  27  0                                        
SHEET    2   D 5 ARG B   2  TYR B   5  1  N  ILE B   3   O  LEU B  26           
SHEET    3   D 5 ALA B 178  PHE B 181  1  O  ALA B 178   N  ALA B   4           
SHEET    4   D 5 LYS B 209  VAL B 213  1  O  LEU B 211   N  LEU B 179           
SHEET    5   D 5 TYR B 230  ASP B 232  1  O  ASP B 232   N  ALA B 212           
SHEET    1   E 2 VAL B  36  PRO B  37  0                                        
SHEET    2   E 2 TYR B 155  ARG B 156 -1  O  ARG B 156   N  VAL B  36           
SHEET    1   F 5 ALA B 106  VAL B 107  0                                        
SHEET    2   F 5 PHE B  85  ALA B  88  1  N  ALA B  88   O  ALA B 106           
SHEET    3   F 5 LEU B  54  ALA B  57  1  N  PHE B  55   O  PHE B  85           
SHEET    4   F 5 VAL B 125  GLN B 129  1  O  ALA B 127   N  LEU B  54           
SHEET    5   F 5 ARG B 148  LEU B 152  1  O  LEU B 150   N  LEU B 128           
SITE     1 AC1  7 ARG A  89  THR A 111  SER A 112  GLU A 188                    
SITE     2 AC1  7 GLU A 223  HOH A 307  HOH A 408                               
SITE     1 AC2  2 GLU A 169  LEU A 172                                          
SITE     1 AC3  7 THR A  59  GLY A  60  VAL A  61  LYS A  92                    
SITE     2 AC3  7 HOH A 341  HOH A 347  HOH A 570                               
SITE     1 AC4  7 THR B  59  GLY B  60  VAL B  61  LYS B  92                    
SITE     2 AC4  7 HOH B 311  HOH B 343  HOH B 460                               
CRYST1   40.750   89.957   74.981  90.00 101.32  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      0.024540  0.000000  0.004912        0.00000                         
SCALE2      0.000000  0.011116  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.013601        0.00000