HEADER    TRANSFERASE                             30-JUN-05   2A59              
TITLE     STRUCTURE OF 6,7-DIMETHYL-8-RIBITYLLUMAZINE SYNTHASE FROM             
TITLE    2 SCHIZOSACCHAROMYCES POMBE MUTANT W27Y WITH BOUND LIGAND 5-NITROSO-6- 
TITLE    3 RIBITYLAMINO-2,4(1H,3H)-PYRIMIDINEDIONE                              
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: 6,7-DIMETHYL-8-RIBITYLLUMAZINE SYNTHASE;                   
COMPND   3 CHAIN: A, B, C, D, E;                                                
COMPND   4 SYNONYM: DMRL SYNTHASE, LUMAZINE SYNTHASE, RIBOFLAVIN SYNTHASE BETA  
COMPND   5 CHAIN;                                                               
COMPND   6 EC: 2.5.1.78;                                                        
COMPND   7 ENGINEERED: YES;                                                     
COMPND   8 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 GENE: RIB4;                                                          
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562                                         
KEYWDS    6, 7-DIMETHYL-8-RIBITYLLUMAZINE SYNTHASE, SCHIZOSACCHAROMYCES POMBE,  
KEYWDS   2 MUTANT W27Y, LUSY, 5-NITROSO-6-RIBITYLAMINO-2, 4(1H, 3H)-            
KEYWDS   3 PYRIMIDINEDIONE, TRANSFERASE                                         
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    M.KOCH,C.BREITHAUPT,S.GERHARDT,I.HAASE,S.WEBER,M.CUSHMAN,R.HUBER,     
AUTHOR   2 A.BACHER,M.FISCHER                                                   
REVDAT   6   14-FEB-24 2A59    1       REMARK                                   
REVDAT   5   20-OCT-21 2A59    1       REMARK SEQADV                            
REVDAT   4   24-JUL-19 2A59    1       REMARK                                   
REVDAT   3   16-JAN-13 2A59    1       COMPND VERSN                             
REVDAT   2   24-FEB-09 2A59    1       VERSN                                    
REVDAT   1   19-JUL-05 2A59    0                                                
JRNL        AUTH   M.KOCH,C.BREITHAUPT,S.GERHARDT,I.HAASE,S.WEBER,M.CUSHMAN,    
JRNL        AUTH 2 R.HUBER,A.BACHER,M.FISCHER                                   
JRNL        TITL   STRUCTURAL BASIS OF CHARGE TRANSFER COMPLEX FORMATION BY     
JRNL        TITL 2 RIBOFLAVIN BOUND TO 6,7-DIMETHYL-8-RIBITYLLUMAZINE SYNTHASE  
JRNL        REF    EUR.J.BIOCHEM.                V. 271  3208 2004              
JRNL        REFN                   ISSN 0014-2956                               
JRNL        PMID   15265040                                                     
JRNL        DOI    10.1111/J.1432-1033.2004.04253.X                             
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.70 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS 1.1                                              
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) : 2.70                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 20.00                          
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)   (%) : 99.8                           
REMARK   3   NUMBER OF REFLECTIONS             : 28599                          
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) : 0.191                           
REMARK   3   FREE R VALUE                     : 0.212                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.900                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1393                            
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            : 5545                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 125                                     
REMARK   3   SOLVENT ATOMS            : 58                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 44.29                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 3.03800                                              
REMARK   3    B22 (A**2) : 1.39500                                              
REMARK   3    B33 (A**2) : -4.43200                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED 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) : 0.009                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.420                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : NULL                            
REMARK   3   IMPROPER ANGLES        (DEGREES) : NULL                            
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : ISOTROPIC                                 
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        : 32.82                                                
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  : CNS_TOPPAR:PROTEIN_REP.PARAM                   
REMARK   3  PARAMETER FILE  2  : NO.PAR                                         
REMARK   3  PARAMETER FILE  3  : CNS_TOPPAR:ION.PARAM                           
REMARK   3  PARAMETER FILE  4  : CNS_TOPPAR:WATER_REP.PARAM                     
REMARK   3  PARAMETER FILE  5  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : NULL                                           
REMARK   3  TOPOLOGY FILE  2   : NULL                                           
REMARK   3  TOPOLOGY FILE  3   : NULL                                           
REMARK   3  TOPOLOGY FILE  4   : NULL                                           
REMARK   3  TOPOLOGY FILE  5   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 2A59 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 08-JUL-05.                  
REMARK 100 THE DEPOSITION ID IS D_1000033504.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 11-OCT-02                          
REMARK 200  TEMPERATURE           (KELVIN) : 298                                
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                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : MARRESEARCH                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 28707                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.700                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 20.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 2.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.9                               
REMARK 200  DATA REDUNDANCY                : 3.900                              
REMARK 200  R MERGE                    (I) : 0.10900                            
REMARK 200  R SYM                      (I) : 0.10900                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 11.6000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.70                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.78                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 100.0                              
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.80                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.48200                            
REMARK 200  R SYM FOR SHELL            (I) : 0.02600                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.600                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS            
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   (%): 57.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.86                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: SODIUM CITRATE, AMMONIUM DIHYDROGEN      
REMARK 280  PHOSPHATE, PH 5.0, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE       
REMARK 280  291K                                                                
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       63.89000            
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       63.89000            
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       55.57500            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       72.40500            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   6 -1.000000  0.000000  0.000000       55.57500            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       72.40500            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       63.89000            
REMARK 290   SMTRY1   7 -1.000000  0.000000  0.000000       55.57500            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       72.40500            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000       63.89000            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000       55.57500            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000       72.40500            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 300 REMARK: THE BIOLOGICAL ASSEMBLY IS THE PENTAMER FOUND 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: 15740 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 26150 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -90.0 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 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     ASP A    12                                                      
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     ASP B    12                                                      
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     SER C    11                                                      
REMARK 465     ASP C    12                                                      
REMARK 465     TYR C   159                                                      
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     ASP D    12                                                      
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     GLY E     7                                                      
REMARK 465     PRO E     8                                                      
REMARK 465     ASN E     9                                                      
REMARK 465     PRO E    10                                                      
REMARK 465     SER E    11                                                      
REMARK 465     ASP E    12                                                      
REMARK 465     TYR E   159                                                      
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 500                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 C 501                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 D 502                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 E 503                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 A 504                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE LMZ A 300                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE LMZ B 301                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE LMZ C 302                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC9                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE LMZ D 303                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE LMZ E 304                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1KYY   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF 6,7-DIMETHYL-8-RIBITYLLUMAZINE SYNTHASE FROM            
REMARK 900 SCHIZOSACCHAROMYCES POMBE WITH BOUND LIGAND 5-NITRO-6-(D-            
REMARK 900 RIBITYLAMINO)-2,4(1H,3H)-PYRIMIDINEDIONE                             
REMARK 900 RELATED ID: 2A57   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF 6,7-DIMETHYL-8-RIBITYLLUMAZINE SYNTHASE FROM            
REMARK 900 SCHIZOSACCHAROMYCES POMBE MUTANT W27Y WITH BOUND LIGAND 6-           
REMARK 900 CARBOXYETHYL-7-OXO-8-RIBITYLLUMAZINE                                 
REMARK 900 RELATED ID: 2A58   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF 6,7-DIMETHYL-8-RIBITYLLUMAZINE SYNTHASE FROM            
REMARK 900 SCHIZOSACCHAROMYCES POMBE MUTANT W27Y WITH BOUND LIGAND RIBOFLAVIN   
REMARK 900 RELATED ID: 1KYV   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF 6,7-DIMETHYL-8-RIBITYLLUMAZINE SYNTHASE FROM            
REMARK 900 SCHIZOSACCHAROMYCES POMBE WITH BOUND RIBOFLAVIN                      
DBREF  2A59 A    1   159  UNP    Q9UUB1   RIB4_SCHPO       1    159             
DBREF  2A59 B    1   159  UNP    Q9UUB1   RIB4_SCHPO       1    159             
DBREF  2A59 C    1   159  UNP    Q9UUB1   RIB4_SCHPO       1    159             
DBREF  2A59 D    1   159  UNP    Q9UUB1   RIB4_SCHPO       1    159             
DBREF  2A59 E    1   159  UNP    Q9UUB1   RIB4_SCHPO       1    159             
SEQADV 2A59 TYR A   27  UNP  Q9UUB1    TRP    27 ENGINEERED MUTATION            
SEQADV 2A59 TYR B   27  UNP  Q9UUB1    TRP    27 ENGINEERED MUTATION            
SEQADV 2A59 TYR C   27  UNP  Q9UUB1    TRP    27 ENGINEERED MUTATION            
SEQADV 2A59 TYR D   27  UNP  Q9UUB1    TRP    27 ENGINEERED MUTATION            
SEQADV 2A59 TYR E   27  UNP  Q9UUB1    TRP    27 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  TYR 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 LEU 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  TYR 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 LEU 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  TYR 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 LEU 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  TYR 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 LEU 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  TYR 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 LEU 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  A 504       5                                                       
HET    LMZ  A 300      20                                                       
HET    PO4  B 500       5                                                       
HET    LMZ  B 301      20                                                       
HET    PO4  C 501       5                                                       
HET    LMZ  C 302      20                                                       
HET    PO4  D 502       5                                                       
HET    LMZ  D 303      20                                                       
HET    PO4  E 503       5                                                       
HET    LMZ  E 304      20                                                       
HETNAM     PO4 PHOSPHATE ION                                                    
HETNAM     LMZ 5-NITROSO-6-RIBITYL-AMINO-2,4(1H,3H)-PYRIMIDINEDIONE             
FORMUL   6  PO4    5(O4 P 3-)                                                   
FORMUL   7  LMZ    5(C9 H14 N4 O7)                                              
FORMUL  16  HOH   *58(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 TRP A   63  ASN A   76  1                                  14    
HELIX    4   4 MET A   93  GLY A  114  1                                  22    
HELIX    5   5 ASN A  126  ALA A  134  1                                   9    
HELIX    6   6 ASN A  141  LEU A  158  1                                  18    
HELIX    7   7 ASN B   28  ASP B   48  1                                  21    
HELIX    8   8 LYS B   50  GLU B   52  5                                   3    
HELIX    9   9 TRP B   63  ASN B   76  1                                  14    
HELIX   10  10 MET B   93  GLY B  114  1                                  22    
HELIX   11  11 ASN B  126  ALA B  134  1                                   9    
HELIX   12  12 ASN B  141  LEU B  158  1                                  18    
HELIX   13  13 ASN C   28  ASP C   48  1                                  21    
HELIX   14  14 LYS C   50  GLU C   52  5                                   3    
HELIX   15  15 TRP C   63  ASN C   76  1                                  14    
HELIX   16  16 MET C   93  GLY C  114  1                                  22    
HELIX   17  17 ASN C  126  ALA C  134  1                                   9    
HELIX   18  18 ASN C  141  LEU C  158  1                                  18    
HELIX   19  19 ASN D   28  ASP D   48  1                                  21    
HELIX   20  20 LYS D   50  GLU D   52  5                                   3    
HELIX   21  21 GLY D   61  TRP D   63  5                                   3    
HELIX   22  22 GLU D   64  ASN D   76  1                                  13    
HELIX   23  23 MET D   93  GLY D  114  1                                  22    
HELIX   24  24 ASN D  126  ALA D  134  1                                   9    
HELIX   25  25 ASN D  141  LEU D  158  1                                  18    
HELIX   26  26 ASN E   28  ASP E   48  1                                  21    
HELIX   27  27 LYS E   50  GLU E   52  5                                   3    
HELIX   28  28 TRP E   63  ASN E   76  1                                  14    
HELIX   29  29 MET E   93  GLY E  114  1                                  22    
HELIX   30  30 ASN E  126  ALA E  134  1                                   9    
HELIX   31  31 ASN E  141  LEU E  158  1                                  18    
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  GLU B  57           
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  LEU C 122   N  LEU C  87           
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  LEU D 122   N  LEU D  87           
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  6 ARG A 133  GLY B  90  SER B  91  THR B  92                    
SITE     2 AC1  6 HOH B 501  HOH B 510                                          
SITE     1 AC2  6 ARG B 133  GLY C  90  SER C  91  THR C  92                    
SITE     2 AC2  6 HOH C 502  HOH C 513                                          
SITE     1 AC3  7 ARG C 133  GLY D  90  SER D  91  THR D  92                    
SITE     2 AC3  7 HOH D 504  HOH D 507  HOH D 510                               
SITE     1 AC4  6 ARG D 133  GLY E  90  SER E  91  THR E  92                    
SITE     2 AC4  6 HOH E 508  HOH E 510                                          
SITE     1 AC5  5 GLY A  90  SER A  91  THR A  92  HOH A 505                    
SITE     2 AC5  5 ARG E 133                                                     
SITE     1 AC6 13 TYR A  27  ASN A  28  GLY A  61  SER A  62                    
SITE     2 AC6 13 TRP A  63  GLU A  64  VAL A  86  LEU A  87                    
SITE     3 AC6 13 ILE A  88  HIS A  94  HOH A 506  ILE E 118                    
SITE     4 AC6 13 LEU E 119                                                     
SITE     1 AC7 13 ILE A 118  LEU A 119  TYR B  27  ASN B  28                    
SITE     2 AC7 13 GLY B  61  SER B  62  TRP B  63  GLU B  64                    
SITE     3 AC7 13 VAL B  86  LEU B  87  ILE B  88  HIS B  94                    
SITE     4 AC7 13 HOH B 503                                                     
SITE     1 AC8 13 ILE B 118  LEU B 119  TYR C  27  ASN C  28                    
SITE     2 AC8 13 GLY C  61  SER C  62  TRP C  63  GLU C  64                    
SITE     3 AC8 13 VAL C  86  LEU C  87  ILE C  88  HIS C  94                    
SITE     4 AC8 13 HOH C 504                                                     
SITE     1 AC9 14 ILE C 118  LEU C 119  TYR D  27  ASN D  28                    
SITE     2 AC9 14 GLY D  61  SER D  62  TRP D  63  GLU D  64                    
SITE     3 AC9 14 VAL D  86  LEU D  87  ILE D  88  HIS D  94                    
SITE     4 AC9 14 HOH D 506  HOH D 508                                          
SITE     1 BC1 14 ILE D 118  LEU D 119  TYR E  27  ASN E  28                    
SITE     2 BC1 14 GLY E  61  SER E  62  TRP E  63  GLU E  64                    
SITE     3 BC1 14 VAL E  86  LEU E  87  ILE E  88  HIS E  94                    
SITE     4 BC1 14 HOH E 506  HOH E 509                                          
CRYST1  111.150  144.810  127.780  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      0.008997  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.006906  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.007826        0.00000