HEADER    TRANSFERASE                             06-FEB-02   1KZ9              
TITLE     MUTANT ENZYME L119F LUMAZINE SYNTHASE FROM S.POMBE                    
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: 6,7-DIMETHYL-8-RIBITYLLUMAZINE SYNTHASE;                   
COMPND   3 CHAIN: A, B, C, D, E;                                                
COMPND   4 EC: 2.5.1.78;                                                        
COMPND   5 ENGINEERED: YES;                                                     
COMPND   6 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: SCHIZOSACCHAROMYCES POMBE;                      
SOURCE   3 ORGANISM_COMMON: FISSION YEAST;                                      
SOURCE   4 ORGANISM_TAXID: 4896;                                                
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   8 EXPRESSION_SYSTEM_PLASMID: PNCO113                                   
KEYWDS    RIBOFLAVIN BIOSYNTHESIS, LUMAZINE SYNTHASE, SCHIZOSACCHAROMYCES       
KEYWDS   2 POMBE, LIGAND BINDING, TRANSFERASE                                   
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    S.GERHARDT,I.HAASE,S.STEINBACHER,J.T.KAISER,M.CUSHMAN,A.BACHER,       
AUTHOR   2 R.HUBER,M.FISCHER                                                    
REVDAT   6   29-MAY-24 1KZ9    1       REMARK                                   
REVDAT   5   10-NOV-21 1KZ9    1       REMARK SEQADV                            
REVDAT   4   23-JAN-13 1KZ9    1       COMPND VERSN                             
REVDAT   3   24-FEB-09 1KZ9    1       VERSN                                    
REVDAT   2   04-DEC-02 1KZ9    1       REMARK                                   
REVDAT   1   24-JUL-02 1KZ9    0                                                
JRNL        AUTH   S.GERHARDT,I.HAASE,S.STEINBACHER,J.T.KAISER,M.CUSHMAN,       
JRNL        AUTH 2 A.BACHER,R.HUBER,M.FISCHER                                   
JRNL        TITL   THE STRUCTURAL BASIS OF RIBOFLAVIN BINDING TO                
JRNL        TITL 2 SCHIZOSACCHAROMYCES POMBE 6,7-DIMETHYL-8-RIBITYLLUMAZINE     
JRNL        TITL 3 SYNTHASE.                                                    
JRNL        REF    J.MOL.BIOL.                   V. 318  1317 2002              
JRNL        REFN                   ISSN 0022-2836                               
JRNL        PMID   12083520                                                     
JRNL        DOI    10.1016/S0022-2836(02)00116-X                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    3.10 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS                                                  
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-              
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,              
REMARK   3               : READ,RICE,SIMONSON,WARREN                            
REMARK   3                                                                      
REMARK   3  REFINEMENT TARGET : ENGH & HUBER                                    
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 3.10                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 24.18                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : NULL                           
REMARK   3   NUMBER OF REFLECTIONS             : 18895                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : NULL                            
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE            (WORKING SET) : 0.194                           
REMARK   3   FREE R VALUE                     : 0.231                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : 1864                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : NULL                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : NULL                         
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : NULL                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : NULL                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : NULL                         
REMARK   3   BIN FREE R VALUE                    : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : NULL                         
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : NULL                         
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 5661                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 25                                      
REMARK   3   SOLVENT ATOMS            : 66                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : NULL                           
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : NULL                            
REMARK   3   ESD FROM SIGMAA              (A) : NULL                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : NULL                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : NULL                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.008                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.347                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : NULL                            
REMARK   3   IMPROPER ANGLES        (DEGREES) : NULL                            
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : NULL                                      
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : NULL                                                 
REMARK   3   KSOL        : NULL                                                 
REMARK   3   BSOL        : NULL                                                 
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1KZ9 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 18-FEB-02.                  
REMARK 100 THE DEPOSITION ID IS D_1000015496.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 19-APR-01                          
REMARK 200  TEMPERATURE           (KELVIN) : 295                                
REMARK 200  PH                             : 5.0                                
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                  : GRAPHITE                           
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : MARRESEARCH                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : MOSFLM                             
REMARK 200  DATA SCALING SOFTWARE          : CCP4 (SCALA)                       
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 18895                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 3.100                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 24.180                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 97.3                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : NULL                               
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 3.10                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 3.27                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 99.8                               
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: CNS                                                   
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 59.59                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.04                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: CITRATE, AMMONIUM DIHYDROGEN             
REMARK 280  PHOSPHATE, PH 5.0, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE       
REMARK 280  295K                                                                
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z+1/2                                             
REMARK 290       3555   -X,Y,-Z+1/2                                             
REMARK 290       4555   X,-Y,-Z                                                 
REMARK 290       5555   X+1/2,Y+1/2,Z                                           
REMARK 290       6555   -X+1/2,-Y+1/2,Z+1/2                                     
REMARK 290       7555   -X+1/2,Y+1/2,-Z+1/2                                     
REMARK 290       8555   X+1/2,-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        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       64.56350            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       64.56350            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  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       55.87900            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       72.75200            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   6 -1.000000  0.000000  0.000000       55.87900            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       72.75200            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       64.56350            
REMARK 290   SMTRY1   7 -1.000000  0.000000  0.000000       55.87900            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       72.75200            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000       64.56350            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000       55.87900            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000       72.75200            
REMARK 290   SMTRY3   8  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 300 REMARK: THE BIOLOGICAL ASSEMBLY IS A PENTAMER WHICH IS IN THE        
REMARK 300 ASYMMETRIC UNIT                                                      
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: PENTAMERIC                        
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: PENTAMERIC                 
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 12810 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 27830 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -84.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D, E                         
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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DECAMERIC                  
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 28550 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 52720 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -175.0 KCAL/MOL                       
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D, E                         
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 -1.000000  0.000000  0.000000      111.75800            
REMARK 350   BIOMT2   2  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000       64.56350            
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     PHE A     2                                                      
REMARK 465     SER A     3                                                      
REMARK 465     GLY A     4                                                      
REMARK 465     ILE A     5                                                      
REMARK 465     LYS A     6                                                      
REMARK 465     GLY A     7                                                      
REMARK 465     PRO A     8                                                      
REMARK 465     ASN A     9                                                      
REMARK 465     PRO A    10                                                      
REMARK 465     SER A    11                                                      
REMARK 465     TYR A   159                                                      
REMARK 465     MET B     1                                                      
REMARK 465     PHE B     2                                                      
REMARK 465     SER B     3                                                      
REMARK 465     GLY B     4                                                      
REMARK 465     ILE B     5                                                      
REMARK 465     LYS B     6                                                      
REMARK 465     GLY B     7                                                      
REMARK 465     PRO B     8                                                      
REMARK 465     ASN B     9                                                      
REMARK 465     PRO B    10                                                      
REMARK 465     SER B    11                                                      
REMARK 465     TYR B   159                                                      
REMARK 465     MET C     1                                                      
REMARK 465     PHE C     2                                                      
REMARK 465     SER C     3                                                      
REMARK 465     GLY C     4                                                      
REMARK 465     ILE C     5                                                      
REMARK 465     LYS C     6                                                      
REMARK 465     GLY C     7                                                      
REMARK 465     PRO C     8                                                      
REMARK 465     ASN C     9                                                      
REMARK 465     PRO C    10                                                      
REMARK 465     MET D     1                                                      
REMARK 465     PHE D     2                                                      
REMARK 465     SER D     3                                                      
REMARK 465     GLY D     4                                                      
REMARK 465     ILE D     5                                                      
REMARK 465     LYS D     6                                                      
REMARK 465     GLY D     7                                                      
REMARK 465     PRO D     8                                                      
REMARK 465     ASN D     9                                                      
REMARK 465     PRO D    10                                                      
REMARK 465     SER D    11                                                      
REMARK 465     TYR D   159                                                      
REMARK 465     MET E     1                                                      
REMARK 465     PHE E     2                                                      
REMARK 465     SER E     3                                                      
REMARK 465     GLY E     4                                                      
REMARK 465     ILE E     5                                                      
REMARK 465     LYS E     6                                                      
REMARK 465     TYR E   159                                                      
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     ARG A   19   CD   NE   CZ   NH1  NH2                             
REMARK 480     GLN A   30   CD   OE1  NE2                                       
REMARK 480     LYS A   37   CD   CE   NZ                                        
REMARK 480     ARG B   19   NE   CZ   NH1  NH2                                  
REMARK 480     GLN B   30   CD   OE1  NE2                                       
REMARK 480     LYS B   37   CD   CE   NZ                                        
REMARK 480     GLU B   57   OE1                                                 
REMARK 480     ARG B   75   CD   NE   CZ   NH1  NH2                             
REMARK 480     GLU B  128   CG   CD   OE1  OE2                                  
REMARK 480     LYS C   46   CD   CE   NZ                                        
REMARK 480     LYS C   50   CE   NZ                                             
REMARK 480     ARG C   75   CD   NE   CZ   NH1  NH2                             
REMARK 480     LYS D   14   NZ                                                  
REMARK 480     ARG D   19   CD   NE   CZ   NH1  NH2                             
REMARK 480     ARG D   70   NE   CZ   NH1  NH2                                  
REMARK 480     LEU D  125   CD1                                                 
REMARK 480     ASP E   12   CB   CG   OD1  OD2                                  
REMARK 480     GLU E   17   CD   OE1  OE2                                       
REMARK 480     GLU E   33   CD   OE1  OE2                                       
REMARK 480     LYS E   37   CD   CE   NZ                                        
REMARK 480     LYS E   50   NZ                                                  
REMARK 480     ASN E   76   OD1  ND2                                            
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   OE2  GLU A   152     NH2  ARG B    26              2.18            
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 B  26   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.1 DEGREES          
REMARK 500    ARG B  70   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.2 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    LEU C 158      -93.75   -108.69                                   
REMARK 500    PRO E  10     -140.90    -64.26                                   
REMARK 500    ASN E 137       44.73     39.51                                   
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 PO4 B 1001                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 E 1002                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 C 1003                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 A 1004                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 D 1005                
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1KYV   RELATED DB: PDB                                   
REMARK 900 1KYV CONTAINS THE SAME PROTEIN COMPLEXED WITH RIBOFLAVIN.            
REMARK 900 RELATED ID: 1KYX   RELATED DB: PDB                                   
REMARK 900 1KYX CONTAINS THE SAME PROTEIN COMPLEXED WITH CARBOXYETHYLLUMAZINE.  
REMARK 900 RELATED ID: 1KYY   RELATED DB: PDB                                   
REMARK 900 1KYY CONTAINS THE SAME PROTEIN COMPLEXED WITH NITROPYRIMIDINEDIONE.  
REMARK 900 RELATED ID: 1KZ1   RELATED DB: PDB                                   
REMARK 900 1KZ1 CONTAINS THE SAME PROTEIN, W27G MUTANT.                         
REMARK 900 RELATED ID: 1KZ4   RELATED DB: PDB                                   
REMARK 900 1KZ4 CONTAINS THE SAME PROTEIN, W63Y MUTANT.                         
REMARK 900 RELATED ID: 1KZ6   RELATED DB: PDB                                   
REMARK 900 1KZ6 CONTAINS THE SAME PROTEIN, W63Y/L119F MUTANT.                   
DBREF  1KZ9 A    1   159  UNP    Q9UUB1   RIB4_SCHPO       1    159             
DBREF  1KZ9 B    1   159  UNP    Q9UUB1   RIB4_SCHPO       1    159             
DBREF  1KZ9 C    1   159  UNP    Q9UUB1   RIB4_SCHPO       1    159             
DBREF  1KZ9 D    1   159  UNP    Q9UUB1   RIB4_SCHPO       1    159             
DBREF  1KZ9 E    1   159  UNP    Q9UUB1   RIB4_SCHPO       1    159             
SEQADV 1KZ9 PHE A  119  UNP  Q9UUB1    LEU   119 ENGINEERED MUTATION            
SEQADV 1KZ9 PHE B  119  UNP  Q9UUB1    LEU   119 ENGINEERED MUTATION            
SEQADV 1KZ9 PHE C  119  UNP  Q9UUB1    LEU   119 ENGINEERED MUTATION            
SEQADV 1KZ9 PHE D  119  UNP  Q9UUB1    LEU   119 ENGINEERED MUTATION            
SEQADV 1KZ9 PHE E  119  UNP  Q9UUB1    LEU   119 ENGINEERED MUTATION            
SEQRES   1 A  159  MET PHE SER GLY ILE LYS GLY PRO ASN PRO SER ASP LEU          
SEQRES   2 A  159  LYS GLY PRO GLU LEU ARG ILE LEU ILE VAL HIS ALA ARG          
SEQRES   3 A  159  TRP ASN LEU GLN ALA ILE GLU PRO LEU VAL LYS GLY ALA          
SEQRES   4 A  159  VAL GLU THR MET ILE GLU LYS HIS ASP VAL LYS LEU GLU          
SEQRES   5 A  159  ASN ILE ASP ILE GLU SER VAL PRO GLY SER TRP GLU LEU          
SEQRES   6 A  159  PRO GLN GLY ILE ARG ALA SER ILE ALA ARG ASN THR TYR          
SEQRES   7 A  159  ASP ALA VAL ILE GLY ILE GLY VAL LEU ILE LYS GLY SER          
SEQRES   8 A  159  THR MET HIS PHE GLU TYR ILE SER GLU ALA VAL VAL HIS          
SEQRES   9 A  159  GLY LEU MET ARG VAL GLY LEU ASP SER GLY VAL PRO VAL          
SEQRES  10 A  159  ILE PHE GLY LEU LEU THR VAL LEU ASN GLU GLU GLN ALA          
SEQRES  11 A  159  LEU TYR ARG ALA GLY LEU ASN GLY GLY HIS ASN HIS GLY          
SEQRES  12 A  159  ASN ASP TRP GLY SER ALA ALA VAL GLU MET GLY LEU LYS          
SEQRES  13 A  159  ALA LEU TYR                                                  
SEQRES   1 B  159  MET PHE SER GLY ILE LYS GLY PRO ASN PRO SER ASP LEU          
SEQRES   2 B  159  LYS GLY PRO GLU LEU ARG ILE LEU ILE VAL HIS ALA ARG          
SEQRES   3 B  159  TRP ASN LEU GLN ALA ILE GLU PRO LEU VAL LYS GLY ALA          
SEQRES   4 B  159  VAL GLU THR MET ILE GLU LYS HIS ASP VAL LYS LEU GLU          
SEQRES   5 B  159  ASN ILE ASP ILE GLU SER VAL PRO GLY SER TRP GLU LEU          
SEQRES   6 B  159  PRO GLN GLY ILE ARG ALA SER ILE ALA ARG ASN THR TYR          
SEQRES   7 B  159  ASP ALA VAL ILE GLY ILE GLY VAL LEU ILE LYS GLY SER          
SEQRES   8 B  159  THR MET HIS PHE GLU TYR ILE SER GLU ALA VAL VAL HIS          
SEQRES   9 B  159  GLY LEU MET ARG VAL GLY LEU ASP SER GLY VAL PRO VAL          
SEQRES  10 B  159  ILE PHE GLY LEU LEU THR VAL LEU ASN GLU GLU GLN ALA          
SEQRES  11 B  159  LEU TYR ARG ALA GLY LEU ASN GLY GLY HIS ASN HIS GLY          
SEQRES  12 B  159  ASN ASP TRP GLY SER ALA ALA VAL GLU MET GLY LEU LYS          
SEQRES  13 B  159  ALA LEU TYR                                                  
SEQRES   1 C  159  MET PHE SER GLY ILE LYS GLY PRO ASN PRO SER ASP LEU          
SEQRES   2 C  159  LYS GLY PRO GLU LEU ARG ILE LEU ILE VAL HIS ALA ARG          
SEQRES   3 C  159  TRP ASN LEU GLN ALA ILE GLU PRO LEU VAL LYS GLY ALA          
SEQRES   4 C  159  VAL GLU THR MET ILE GLU LYS HIS ASP VAL LYS LEU GLU          
SEQRES   5 C  159  ASN ILE ASP ILE GLU SER VAL PRO GLY SER TRP GLU LEU          
SEQRES   6 C  159  PRO GLN GLY ILE ARG ALA SER ILE ALA ARG ASN THR TYR          
SEQRES   7 C  159  ASP ALA VAL ILE GLY ILE GLY VAL LEU ILE LYS GLY SER          
SEQRES   8 C  159  THR MET HIS PHE GLU TYR ILE SER GLU ALA VAL VAL HIS          
SEQRES   9 C  159  GLY LEU MET ARG VAL GLY LEU ASP SER GLY VAL PRO VAL          
SEQRES  10 C  159  ILE PHE GLY LEU LEU THR VAL LEU ASN GLU GLU GLN ALA          
SEQRES  11 C  159  LEU TYR ARG ALA GLY LEU ASN GLY GLY HIS ASN HIS GLY          
SEQRES  12 C  159  ASN ASP TRP GLY SER ALA ALA VAL GLU MET GLY LEU LYS          
SEQRES  13 C  159  ALA LEU TYR                                                  
SEQRES   1 D  159  MET PHE SER GLY ILE LYS GLY PRO ASN PRO SER ASP LEU          
SEQRES   2 D  159  LYS GLY PRO GLU LEU ARG ILE LEU ILE VAL HIS ALA ARG          
SEQRES   3 D  159  TRP ASN LEU GLN ALA ILE GLU PRO LEU VAL LYS GLY ALA          
SEQRES   4 D  159  VAL GLU THR MET ILE GLU LYS HIS ASP VAL LYS LEU GLU          
SEQRES   5 D  159  ASN ILE ASP ILE GLU SER VAL PRO GLY SER TRP GLU LEU          
SEQRES   6 D  159  PRO GLN GLY ILE ARG ALA SER ILE ALA ARG ASN THR TYR          
SEQRES   7 D  159  ASP ALA VAL ILE GLY ILE GLY VAL LEU ILE LYS GLY SER          
SEQRES   8 D  159  THR MET HIS PHE GLU TYR ILE SER GLU ALA VAL VAL HIS          
SEQRES   9 D  159  GLY LEU MET ARG VAL GLY LEU ASP SER GLY VAL PRO VAL          
SEQRES  10 D  159  ILE PHE GLY LEU LEU THR VAL LEU ASN GLU GLU GLN ALA          
SEQRES  11 D  159  LEU TYR ARG ALA GLY LEU ASN GLY GLY HIS ASN HIS GLY          
SEQRES  12 D  159  ASN ASP TRP GLY SER ALA ALA VAL GLU MET GLY LEU LYS          
SEQRES  13 D  159  ALA LEU TYR                                                  
SEQRES   1 E  159  MET PHE SER GLY ILE LYS GLY PRO ASN PRO SER ASP LEU          
SEQRES   2 E  159  LYS GLY PRO GLU LEU ARG ILE LEU ILE VAL HIS ALA ARG          
SEQRES   3 E  159  TRP ASN LEU GLN ALA ILE GLU PRO LEU VAL LYS GLY ALA          
SEQRES   4 E  159  VAL GLU THR MET ILE GLU LYS HIS ASP VAL LYS LEU GLU          
SEQRES   5 E  159  ASN ILE ASP ILE GLU SER VAL PRO GLY SER TRP GLU LEU          
SEQRES   6 E  159  PRO GLN GLY ILE ARG ALA SER ILE ALA ARG ASN THR TYR          
SEQRES   7 E  159  ASP ALA VAL ILE GLY ILE GLY VAL LEU ILE LYS GLY SER          
SEQRES   8 E  159  THR MET HIS PHE GLU TYR ILE SER GLU ALA VAL VAL HIS          
SEQRES   9 E  159  GLY LEU MET ARG VAL GLY LEU ASP SER GLY VAL PRO VAL          
SEQRES  10 E  159  ILE PHE GLY LEU LEU THR VAL LEU ASN GLU GLU GLN ALA          
SEQRES  11 E  159  LEU TYR ARG ALA GLY LEU ASN GLY GLY HIS ASN HIS GLY          
SEQRES  12 E  159  ASN ASP TRP GLY SER ALA ALA VAL GLU MET GLY LEU LYS          
SEQRES  13 E  159  ALA LEU TYR                                                  
HET    PO4  A1004       5                                                       
HET    PO4  B1001       5                                                       
HET    PO4  C1003       5                                                       
HET    PO4  D1005       5                                                       
HET    PO4  E1002       5                                                       
HETNAM     PO4 PHOSPHATE ION                                                    
FORMUL   6  PO4    5(O4 P 3-)                                                   
FORMUL  11  HOH   *66(H2 O)                                                     
HELIX    1   1 ASN A   28  ASP A   48  1                                  21    
HELIX    2   2 LYS A   50  GLU A   52  5                                   3    
HELIX    3   3 GLY A   61  TRP A   63  5                                   3    
HELIX    4   4 GLU A   64  ASN A   76  1                                  13    
HELIX    5   5 MET A   93  GLY A  114  1                                  22    
HELIX    6   6 ASN A  126  ARG A  133  1                                   8    
HELIX    7   7 ASN A  141  ALA A  157  1                                  17    
HELIX    8   8 ASN B   28  ASP B   48  1                                  21    
HELIX    9   9 LYS B   50  GLU B   52  5                                   3    
HELIX   10  10 GLY B   61  TRP B   63  5                                   3    
HELIX   11  11 GLU B   64  ASN B   76  1                                  13    
HELIX   12  12 MET B   93  GLY B  114  1                                  22    
HELIX   13  13 ASN B  126  ARG B  133  1                                   8    
HELIX   14  14 ASN B  141  ALA B  157  1                                  17    
HELIX   15  15 ASN C   28  ASP C   48  1                                  21    
HELIX   16  16 LYS C   50  GLU C   52  5                                   3    
HELIX   17  17 GLY C   61  TRP C   63  5                                   3    
HELIX   18  18 GLU C   64  ASN C   76  1                                  13    
HELIX   19  19 MET C   93  GLY C  114  1                                  22    
HELIX   20  20 ASN C  126  ARG C  133  1                                   8    
HELIX   21  21 ASN C  141  ALA C  157  1                                  17    
HELIX   22  22 ASN D   28  ASP D   48  1                                  21    
HELIX   23  23 LYS D   50  GLU D   52  5                                   3    
HELIX   24  24 GLU D   64  ASN D   76  1                                  13    
HELIX   25  25 MET D   93  GLY D  114  1                                  22    
HELIX   26  26 ASN D  126  ARG D  133  1                                   8    
HELIX   27  27 ASN D  141  ALA D  157  1                                  17    
HELIX   28  28 ASN E   28  ASP E   48  1                                  21    
HELIX   29  29 LYS E   50  GLU E   52  5                                   3    
HELIX   30  30 GLY E   61  TRP E   63  5                                   3    
HELIX   31  31 GLU E   64  ASN E   76  1                                  13    
HELIX   32  32 MET E   93  GLY E  114  1                                  22    
HELIX   33  33 ASN E  126  ARG E  133  1                                   8    
HELIX   34  34 ASN E  141  ALA E  157  1                                  17    
SHEET    1   A 4 ILE A  54  VAL A  59  0                                        
SHEET    2   A 4 ILE A  20  ALA A  25  1  N  ILE A  22   O  GLU A  57           
SHEET    3   A 4 ALA A  80  ILE A  88  1  O  ILE A  84   N  VAL A  23           
SHEET    4   A 4 VAL A 117  VAL A 124  1  O  ILE A 118   N  VAL A  81           
SHEET    1   B 4 ILE B  54  VAL B  59  0                                        
SHEET    2   B 4 ILE B  20  ALA B  25  1  N  ILE B  22   O  ASP B  55           
SHEET    3   B 4 ALA B  80  ILE B  88  1  O  ILE B  84   N  VAL B  23           
SHEET    4   B 4 VAL B 117  VAL B 124  1  O  ILE B 118   N  VAL B  81           
SHEET    1   C 4 ILE C  54  VAL C  59  0                                        
SHEET    2   C 4 ILE C  20  ALA C  25  1  N  ILE C  22   O  GLU C  57           
SHEET    3   C 4 ALA C  80  ILE C  88  1  O  ILE C  84   N  VAL C  23           
SHEET    4   C 4 VAL C 117  VAL C 124  1  O  ILE C 118   N  VAL C  81           
SHEET    1   D 4 ILE D  54  VAL D  59  0                                        
SHEET    2   D 4 ILE D  20  ALA D  25  1  N  ILE D  22   O  GLU D  57           
SHEET    3   D 4 ALA D  80  ILE D  88  1  O  ILE D  84   N  VAL D  23           
SHEET    4   D 4 VAL D 117  VAL D 124  1  O  ILE D 118   N  VAL D  81           
SHEET    1   E 4 ILE E  54  VAL E  59  0                                        
SHEET    2   E 4 ILE E  20  ALA E  25  1  N  ILE E  22   O  GLU E  57           
SHEET    3   E 4 ALA E  80  ILE E  88  1  O  ILE E  84   N  VAL E  23           
SHEET    4   E 4 VAL E 117  VAL E 124  1  O  ILE E 118   N  VAL E  81           
SITE     1 AC1  5 ARG A 133  GLY B  90  SER B  91  THR B  92                    
SITE     2 AC1  5 HIS B  94                                                     
SITE     1 AC2  5 ARG D 133  GLY E  90  SER E  91  THR E  92                    
SITE     2 AC2  5 HIS E  94                                                     
SITE     1 AC3  4 ARG B 133  GLY C  90  SER C  91  THR C  92                    
SITE     1 AC4  6 GLY A  90  SER A  91  THR A  92  HIS A  94                    
SITE     2 AC4  6 HOH A1005  ARG E 133                                          
SITE     1 AC5  5 ARG C 133  GLY D  90  SER D  91  THR D  92                    
SITE     2 AC5  5 HIS D  94                                                     
CRYST1  111.758  145.504  129.127  90.00  90.00  90.00 C 2 2 21     40          
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      0.008948  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.006873  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.007744        0.00000