PDB Short entry for 1R3R
HEADER    LYASE                                   03-OCT-03   1R3R              
TITLE     UROPORPHYRINOGEN DECARBOXYLASE WITH MUTATION D86N                     
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: UROPORPHYRINOGEN DECARBOXYLASE;                            
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: URO-D; UPD;                                                 
COMPND   5 EC: 4.1.1.37;                                                        
COMPND   6 ENGINEERED: YES;                                                     
COMPND   7 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID                               
KEYWDS    UROPORPHYRINOGEN DECARBOXYLASE COPROPORPHYRINOGEN; X-RAY              
KEYWDS   2 CRYSTALLOGRAPHY, LYASE                                               
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    J.D.PHILLIPS,F.G.WHITBY,J.P.KUSHNER,C.P.HILL                          
REVDAT   4   23-AUG-23 1R3R    1       REMARK                                   
REVDAT   3   27-OCT-21 1R3R    1       SEQADV                                   
REVDAT   2   24-FEB-09 1R3R    1       VERSN                                    
REVDAT   1   09-DEC-03 1R3R    0                                                
JRNL        AUTH   J.D.PHILLIPS,F.G.WHITBY,J.P.KUSHNER,C.P.HILL                 
JRNL        TITL   STRUCTURAL BASIS FOR TETRAPYRROLE COORDINATION BY            
JRNL        TITL 2 UROPORPHYRINOGEN DECARBOXYLASE                               
JRNL        REF    EMBO J.                       V.  22  6225 2003              
JRNL        REFN                   ISSN 0261-4189                               
JRNL        PMID   14633982                                                     
JRNL        DOI    10.1093/EMBOJ/CDG606                                         
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.85 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC                                               
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.85                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 87.71                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 95.8                           
REMARK   3   NUMBER OF REFLECTIONS             : 35762                          
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) : 0.162                           
REMARK   3   R VALUE            (WORKING SET) : 0.161                           
REMARK   3   FREE R VALUE                     : 0.192                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 3.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1122                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 10                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 1.85                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.95                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 4365                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2540                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 147                          
REMARK   3   BIN FREE R VALUE                    : 0.2900                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2798                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 0                                       
REMARK   3   SOLVENT ATOMS            : 381                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 20.28                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -1.53000                                             
REMARK   3    B22 (A**2) : -1.53000                                             
REMARK   3    B33 (A**2) : 2.30000                                              
REMARK   3    B12 (A**2) : -0.77000                                             
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): 0.119         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.112         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.083         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 2.929         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.962                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.950                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  3082 ; 0.020 ; 0.021       
REMARK   3   BOND LENGTHS OTHERS               (A):  2817 ; 0.003 ; 0.020       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  4212 ; 1.690 ; 1.953       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  6538 ; 0.961 ; 3.000       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   393 ; 5.737 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   446 ; 0.106 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  3563 ; 0.013 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):   666 ; 0.016 ; 0.020       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):   803 ; 0.231 ; 0.200       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  3521 ; 0.250 ; 0.200       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  1832 ; 0.087 ; 0.200       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):   275 ; 0.205 ; 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):    20 ; 0.420 ; 0.200       
REMARK   3   SYMMETRY VDW OTHERS               (A):    76 ; 0.353 ; 0.200       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):    30 ; 0.194 ; 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):  1899 ; 1.119 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  3076 ; 2.019 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  1183 ; 3.091 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  1136 ; 5.177 ; 4.500       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3 ANISOTROPIC THERMAL FACTOR RESTRAINTS.    COUNT   RMS   WEIGHT       
REMARK   3   RIGID-BOND RESTRAINTS          (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS STATISTICS                                           
REMARK   3   NUMBER OF DIFFERENT NCS GROUPS : NULL                              
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : BABINET MODEL WITH MASK                              
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.40                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING   
REMARK   3  POSITIONS                                                           
REMARK   4                                                                      
REMARK   4 1R3R COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 29-OCT-03.                  
REMARK 100 THE DEPOSITION ID IS D_1000020400.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 15-JUN-03                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 6.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : ROTATING ANODE                     
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : RIGAKU RU200                       
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : RIGAKU RAXIS IIC                   
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 36928                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.850                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 87.710                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 96.0                               
REMARK 200  DATA REDUNDANCY                : 5.000                              
REMARK 200  R MERGE                    (I) : 0.08300                            
REMARK 200  R SYM                      (I) : 0.08300                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 9.0000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.85                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.92                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 80.0                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 5.00                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.43700                            
REMARK 200  R SYM FOR SHELL            (I) : 0.43700                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.800                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS            
REMARK 200 SOFTWARE USED: NULL                                                  
REMARK 200 STARTING MODEL: 1URO                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 47.70                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.37                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: THE CRYSTAL TRIAL WAS CONDUCTED IN AN    
REMARK 280  ANAEROBIC CHAMBER, WITH PBG, PBG-D ADDED TO THE SOLUTION. THESE     
REMARK 280  CONDITIONS ARE CONDUCIVE TO FORMATION OF AN ENZYME PRODUCT          
REMARK 280  COMPLEX, AS THE ENZYME IS TYPICALLY ACTIVE UNDER THESE              
REMARK 280  CONDITIONS (SEE RELATED STRCUTURE 1R3Q). THERE IS NOT A LIGAND      
REMARK 280  BOUND IN THIS STRUCTURE. 1.5 M CITRATE, PH 6.5, LIQUID DIFFUSION,   
REMARK 280  TEMPERATURE 294K                                                    
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 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+1/3                                            
REMARK 290       3555   -X+Y,-X,Z+2/3                                           
REMARK 290       4555   Y,X,-Z                                                  
REMARK 290       5555   X-Y,-Y,-Z+2/3                                           
REMARK 290       6555   -X,-X+Y,-Z+1/3                                          
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       24.47533            
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       48.95067            
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       48.95067            
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       24.47533            
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 300 REMARK: ONE URO-D MONOMER FORMS THE ASYMMETRIC UNIT. URO-D IS A      
REMARK 300 DIMER IN SOLUTION AND IN THE CRYSTAL. THE DIMER IS FORMED BY THE 2-  
REMARK 300 FOLD CRYSTALLOGRAPHIC ROTATION.                                      
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC                           
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   2 -0.500000 -0.866025  0.000000       51.36750            
REMARK 350   BIOMT2   2  0.866025 -0.500000  0.000000       88.97112            
REMARK 350   BIOMT3   2  0.000000  0.000000  1.000000       24.47533            
REMARK 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465     MET A     1                                                      
REMARK 465     GLU A     2                                                      
REMARK 465     ALA A     3                                                      
REMARK 465     ASN A     4                                                      
REMARK 465     GLY A     5                                                      
REMARK 465     LEU A     6                                                      
REMARK 465     GLY A     7                                                      
REMARK 465     PRO A     8                                                      
REMARK 465     GLN A     9                                                      
REMARK 465     GLY A    10                                                      
REMARK 465     ASN A   367                                                      
REMARK 480                                                                      
REMARK 480 ZERO OCCUPANCY ATOM                                                  
REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO                  
REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS                
REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME;              
REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):         
REMARK 480   M RES C SSEQI ATOMS                                                
REMARK 480     LEU A   73   CA                                                  
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   N    PHE A    11     O    HOH A  1283              1.92            
REMARK 500   OE2  GLU A   278     O    HOH A  1307              1.98            
REMARK 500   O    HOH A  1308     O    HOH A  1323              2.01            
REMARK 500   O    HOH A  1203     O    HOH A  1254              2.05            
REMARK 500   O    HOH A  1146     O    HOH A  1211              2.08            
REMARK 500   O    HOH A  1188     O    HOH A  1308              2.10            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   CD2  HIS A   266     CD2  HIS A   266     5676     2.01            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                      
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)               
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   RES CSSEQI ATM2   DEVIATION                     
REMARK 500    LEU A  73   CA    LEU A  73   C       0.213                       
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    ASP A  79   CB  -  CG  -  OD2 ANGL. DEV. =   6.3 DEGREES          
REMARK 500    ASP A 123   CB  -  CG  -  OD1 ANGL. DEV. =   6.1 DEGREES          
REMARK 500    ASP A 239   CB  -  CG  -  OD2 ANGL. DEV. =   6.2 DEGREES          
REMARK 500    ASP A 264   CB  -  CG  -  OD2 ANGL. DEV. =   7.4 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    SER A  85     -161.61   -167.48                                   
REMARK 500    PRO A 102      108.97    -34.30                                   
REMARK 500    ASN A 304       35.01   -143.38                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: MAIN CHAIN PLANARITY                                       
REMARK 500                                                                      
REMARK 500 THE FOLLOWING RESIDUES HAVE A PSEUDO PLANARITY                       
REMARK 500 TORSION ANGLE, C(I) - CA(I) - N(I+1) - O(I), GREATER                 
REMARK 500 10.0 DEGREES. (M=MODEL NUMBER; RES=RESIDUE NAME;                     
REMARK 500 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;                            
REMARK 500 I=INSERTION CODE).                                                   
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        ANGLE                                           
REMARK 500    ALA A 254        -10.94                                           
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1URO   RELATED DB: PDB                                   
REMARK 900 UROPORPHYRINOGEN DECARBOXYLASE APO-ENZYME STRUCTURE                  
REMARK 900 RELATED ID: 1R3Q   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 1R3S   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 1R3T   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 1R3V   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 1R3W   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 1R3Y   RELATED DB: PDB                                   
DBREF  1R3R A    1   367  UNP    P06132   DCUP_HUMAN       1    367             
SEQADV 1R3R ASN A   86  UNP  P06132    ASP    86 ENGINEERED MUTATION            
SEQRES   1 A  367  MET GLU ALA ASN GLY LEU GLY PRO GLN GLY PHE PRO GLU          
SEQRES   2 A  367  LEU LYS ASN ASP THR PHE LEU ARG ALA ALA TRP GLY GLU          
SEQRES   3 A  367  GLU THR ASP TYR THR PRO VAL TRP CYS MET ARG GLN ALA          
SEQRES   4 A  367  GLY ARG TYR LEU PRO GLU PHE ARG GLU THR ARG ALA ALA          
SEQRES   5 A  367  GLN ASP PHE PHE SER THR CYS ARG SER PRO GLU ALA CYS          
SEQRES   6 A  367  CYS GLU LEU THR LEU GLN PRO LEU ARG ARG PHE PRO LEU          
SEQRES   7 A  367  ASP ALA ALA ILE ILE PHE SER ASN ILE LEU VAL VAL PRO          
SEQRES   8 A  367  GLN ALA LEU GLY MET GLU VAL THR MET VAL PRO GLY LYS          
SEQRES   9 A  367  GLY PRO SER PHE PRO GLU PRO LEU ARG GLU GLU GLN ASP          
SEQRES  10 A  367  LEU GLU ARG LEU ARG ASP PRO GLU VAL VAL ALA SER GLU          
SEQRES  11 A  367  LEU GLY TYR VAL PHE GLN ALA ILE THR LEU THR ARG GLN          
SEQRES  12 A  367  ARG LEU ALA GLY ARG VAL PRO LEU ILE GLY PHE ALA GLY          
SEQRES  13 A  367  ALA PRO TRP THR LEU MET THR TYR MET VAL GLU GLY GLY          
SEQRES  14 A  367  GLY SER SER THR MET ALA GLN ALA LYS ARG TRP LEU TYR          
SEQRES  15 A  367  GLN ARG PRO GLN ALA SER HIS GLN LEU LEU ARG ILE LEU          
SEQRES  16 A  367  THR ASP ALA LEU VAL PRO TYR LEU VAL GLY GLN VAL VAL          
SEQRES  17 A  367  ALA GLY ALA GLN ALA LEU GLN LEU PHE GLU SER HIS ALA          
SEQRES  18 A  367  GLY HIS LEU GLY PRO GLN LEU PHE ASN LYS PHE ALA LEU          
SEQRES  19 A  367  PRO TYR ILE ARG ASP VAL ALA LYS GLN VAL LYS ALA ARG          
SEQRES  20 A  367  LEU ARG GLU ALA GLY LEU ALA PRO VAL PRO MET ILE ILE          
SEQRES  21 A  367  PHE ALA LYS ASP GLY HIS PHE ALA LEU GLU GLU LEU ALA          
SEQRES  22 A  367  GLN ALA GLY TYR GLU VAL VAL GLY LEU ASP TRP THR VAL          
SEQRES  23 A  367  ALA PRO LYS LYS ALA ARG GLU CYS VAL GLY LYS THR VAL          
SEQRES  24 A  367  THR LEU GLN GLY ASN LEU ASP PRO CYS ALA LEU TYR ALA          
SEQRES  25 A  367  SER GLU GLU GLU ILE GLY GLN LEU VAL LYS GLN MET LEU          
SEQRES  26 A  367  ASP ASP PHE GLY PRO HIS ARG TYR ILE ALA ASN LEU GLY          
SEQRES  27 A  367  HIS GLY LEU TYR PRO ASP MET ASP PRO GLU HIS VAL GLY          
SEQRES  28 A  367  ALA PHE VAL ASP ALA VAL HIS LYS HIS SER ARG LEU LEU          
SEQRES  29 A  367  ARG GLN ASN                                                  
FORMUL   2  HOH   *381(H2 O)                                                    
HELIX    1   1 ASP A   17  GLY A   25  1                                   9    
HELIX    2   2 LEU A   43  ALA A   52  1                                  10    
HELIX    3   3 ASP A   54  ARG A   60  1                                   7    
HELIX    4   4 SER A   61  PHE A   76  1                                  16    
HELIX    5   5 LEU A   88  LEU A   94  1                                   7    
HELIX    6   6 GLU A  114  LEU A  121  5                                   8    
HELIX    7   7 ASP A  123  GLU A  125  5                                   3    
HELIX    8   8 VAL A  126  LEU A  131  1                                   6    
HELIX    9   9 LEU A  131  ALA A  146  1                                  16    
HELIX   10  10 ALA A  157  GLY A  168  1                                  12    
HELIX   11  11 MET A  174  ARG A  184  1                                  11    
HELIX   12  12 ARG A  184  ALA A  209  1                                  26    
HELIX   13  13 HIS A  220  LEU A  224  5                                   5    
HELIX   14  14 GLY A  225  ALA A  233  1                                   9    
HELIX   15  15 ALA A  233  ALA A  251  1                                  19    
HELIX   16  16 GLY A  265  PHE A  267  5                                   3    
HELIX   17  17 ALA A  268  ALA A  273  1                                   6    
HELIX   18  18 ALA A  287  GLY A  296  1                                  10    
HELIX   19  19 ASP A  306  ALA A  312  5                                   7    
HELIX   20  20 SER A  313  GLY A  329  1                                  17    
HELIX   21  21 ASP A  346  LEU A  364  1                                  19    
SHEET    1   A 7 ALA A  81  ILE A  82  0                                        
SHEET    2   A 7 LEU A 151  GLY A 156  1  O  ILE A 152   N  ALA A  81           
SHEET    3   A 7 ALA A 213  GLU A 218  1  O  ALA A 213   N  GLY A 153           
SHEET    4   A 7 MET A 258  ALA A 262  1  O  ILE A 259   N  LEU A 216           
SHEET    5   A 7 VAL A 279  GLY A 281  1  O  GLY A 281   N  ILE A 260           
SHEET    6   A 7 THR A 300  LEU A 305  1  O  THR A 300   N  VAL A 280           
SHEET    7   A 7 TYR A 333  LEU A 337  1  O  ILE A 334   N  LEU A 301           
SHEET    1   B 2 THR A  99  VAL A 101  0                                        
SHEET    2   B 2 GLY A 105  SER A 107 -1  O  SER A 107   N  THR A  99           
CISPEP   1 GLY A  303    ASN A  304          0        -8.34                     
CRYST1  102.735  102.735   73.426  90.00  90.00 120.00 P 31 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      0.009734  0.005620  0.000000        0.00000                         
SCALE2      0.000000  0.011240  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.013619        0.00000