HEADER    ELECTRON TRANSFER                       31-JAN-03   1OBV              
TITLE     Y94F FLAVODOXIN FROM ANABAENA                                         
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: FLAVODOXIN;                                                
COMPND   3 CHAIN: A;                                                            
COMPND   4 ENGINEERED: YES;                                                     
COMPND   5 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ANABAENA SP.;                                   
SOURCE   3 ORGANISM_TAXID: 1168;                                                
SOURCE   4 STRAIN: PCC 7119;                                                    
SOURCE   5 CELL_LINE: E.COLI JM109;                                             
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: TG1;                                       
SOURCE   9 EXPRESSION_SYSTEM_PLASMID: PTRC99A                                   
KEYWDS    ELECTRON TRANSFER, FLAVOPROTEIN, ELECTRON TRANSPORT                   
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    A.ROMERO,A.RAMON,C.FERNANDEZ-CABRERA,M.P.IRUN,J.SANCHO                
REVDAT   5   13-DEC-23 1OBV    1       REMARK                                   
REVDAT   4   24-JUL-19 1OBV    1       REMARK DBREF                             
REVDAT   3   24-FEB-09 1OBV    1       VERSN                                    
REVDAT   2   26-JUN-03 1OBV    1       JRNL                                     
REVDAT   1   24-APR-03 1OBV    0                                                
JRNL        AUTH   A.LOSTAO,F.DAOUDI,M.P.IRUN,A.RAMON,C.FERNANDEZ-CABRERA,      
JRNL        AUTH 2 A.ROMERO,J.SANCHO                                            
JRNL        TITL   HOW FMN BINDS TO ANABAENA APOFLAVODOXIN: A HYDROPHOBIC       
JRNL        TITL 2 ENCOUNTER AT AN OPEN BINDING SITE                            
JRNL        REF    J.BIOL.CHEM.                  V. 278 24053 2003              
JRNL        REFN                   ISSN 0021-9258                               
JRNL        PMID   12682068                                                     
JRNL        DOI    10.1074/JBC.M301049200                                       
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   C.G.GENZOR,A.PERALES-ALCON,J.SANCHO,A.ROMERO                 
REMARK   1  TITL   CLOSURE OF A TYROSINE/TRYPTOPHANE AROMATIC GATE LEEDS TO A   
REMARK   1  TITL 2 COMPACT FOLD IN APOFLAVODOXIN                                
REMARK   1  REF    NAT.STRUCT.BIOL.              V.   3   329 1996              
REMARK   1  REFN                   ISSN 1072-8368                               
REMARK   1  PMID   8599758                                                      
REMARK   1  DOI    10.1038/NSB0496-329                                          
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.10 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 : NULL                                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.10                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 34.91                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 1203022.090                    
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 98.6                           
REMARK   3   NUMBER OF REFLECTIONS             : 8991                           
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE            (WORKING SET) : 0.180                           
REMARK   3   FREE R VALUE                     : 0.242                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 10.700                          
REMARK   3   FREE R VALUE TEST SET COUNT      : 965                             
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.008                           
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 6                            
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.10                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.23                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 98.00                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 1290                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.1570                       
REMARK   3   BIN FREE R VALUE                    : 0.2420                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 10.90                        
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 157                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.019                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1330                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 46                                      
REMARK   3   SOLVENT ATOMS            : 140                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 9.30                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 16.00                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 2.41000                                              
REMARK   3    B22 (A**2) : -0.60000                                             
REMARK   3    B33 (A**2) : -1.81000                                             
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) : 0.20                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.06                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : 5.00                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : 0.29                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.17                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.005                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.100                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 22.80                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 0.640                           
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : RESTRAINED                                
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : 1.240 ; 1.500                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 1.810 ; 2.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 2.020 ; 2.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 2.760 ; 2.500                
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : FLAT MODEL                                           
REMARK   3   KSOL        : 0.38                                                 
REMARK   3   BSOL        : 53.23                                                
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  : PROTEIN_REP.PARAM                              
REMARK   3  PARAMETER FILE  2  : WATER_REP.PARAM                                
REMARK   3  PARAMETER FILE  3  : ION.PARAM                                      
REMARK   3  PARAMETER FILE  4  : PARAM.FMN                                      
REMARK   3  PARAMETER FILE  5  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : PROTEIN.TOP                                    
REMARK   3  TOPOLOGY FILE  2   : WATER.TOP                                      
REMARK   3  TOPOLOGY FILE  3   : ION.TOP                                        
REMARK   3  TOPOLOGY FILE  4   : TOPOLOGY.FMN                                   
REMARK   3  TOPOLOGY FILE  5   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: DISORDERED REGIONS ALA1001-LYS1002 WERE   
REMARK   3  MODELED STEREOCHEMICALLY                                            
REMARK   4                                                                      
REMARK   4 1OBV COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 31-JAN-03.                  
REMARK 100 THE DEPOSITION ID IS D_1290012077.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 15-FEB-02                          
REMARK 200  TEMPERATURE           (KELVIN) : 100.0                              
REMARK 200  PH                             : 6.00                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : EMBL/DESY, HAMBURG                 
REMARK 200  BEAMLINE                       : X31                                
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.0489                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : MIRRORS                            
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : MARRESEARCH                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : MOSFLM                             
REMARK 200  DATA SCALING SOFTWARE          : SCALA                              
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 11736                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.900                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 35.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 98.0                               
REMARK 200  DATA REDUNDANCY                : 3.100                              
REMARK 200  R MERGE                    (I) : 0.06000                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 11.4000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.90                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.97                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 86.2                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 2.80                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.11200                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.100                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: AMORE                                                 
REMARK 200 STARTING MODEL: PDB ENTRY 1FLV                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 37.10                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.00                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PH 6.00                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21                       
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X+1/2,-Y,Z+1/2                                         
REMARK 290       3555   -X,Y+1/2,-Z+1/2                                         
REMARK 290       4555   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       22.04300            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       29.46500            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       28.57300            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       29.46500            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       22.04300            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       28.57300            
REMARK 290   SMTRY3   4  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 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PQS                                                   
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 400                                                                      
REMARK 400 COMPOUND                                                             
REMARK 400 ENGINEERED MUTATION TYR 94 PHE                                       
REMARK 400                                                                      
REMARK 400  THE PROTEIN IS A LOW-POTENTIAL ELECTRON DONOR TO A                  
REMARK 400  NUMBER OF ENZYMES. MEMBER OF THE FLAVODOXIN FAMILY                  
REMARK 475                                                                      
REMARK 475 ZERO OCCUPANCY RESIDUES                                              
REMARK 475 THE FOLLOWING RESIDUES WERE MODELED WITH ZERO OCCUPANCY.             
REMARK 475 THE LOCATION AND PROPERTIES OF THESE RESIDUES MAY NOT                
REMARK 475 BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME;                      
REMARK 475 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE)          
REMARK 475   M RES C  SSEQI                                                     
REMARK 475     ALA A  1001                                                      
REMARK 475     LYS A  1002                                                      
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    LYS A1002       82.39   -173.83                                   
REMARK 500    ASN A1028      118.69    -29.59                                   
REMARK 500    ASN A1058       43.01     39.16                                   
REMARK 500    ILE A1059       77.97     60.03                                   
REMARK 500    ASN A1097       34.93   -140.63                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 700                                                                      
REMARK 700 SHEET                                                                
REMARK 700 THE SHEET STRUCTURE OF THIS MOLECULE IS BIFURCATED. IN               
REMARK 700 ORDER TO REPRESENT THIS FEATURE IN THE SHEET RECORDS BELOW,          
REMARK 700 TWO SHEETS ARE DEFINED.                                              
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A1171                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A1172                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A1173                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FMN A1170                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1DX9   RELATED DB: PDB                                   
REMARK 900 W57A APOFLAVODOXIN FROM ANABAENA                                     
REMARK 900 RELATED ID: 1FLV   RELATED DB: PDB                                   
REMARK 900 FLAVODOXIN                                                           
REMARK 900 RELATED ID: 1FTG   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF APOFLAVODOXIN: CLOSURE OF A TYROSINE/TRYPTOPHAN         
REMARK 900 AROMATIC GATE LEADS TO A COMPACT FOLD                                
REMARK 900 RELATED ID: 1OBO   RELATED DB: PDB                                   
REMARK 900 W57L FLAVODOXIN FROM ANABAENA                                        
REMARK 900 RELATED ID: 1QHE   RELATED DB: PDB                                   
REMARK 900 ENERGETICS OF A HYDROGEN BOND (CHARGED AND NEUTRAL) AND OF A CATION- 
REMARK 900 PI INTERACTION IN APOFLAVODOXIN                                      
REMARK 900 RELATED ID: 1RCF   RELATED DB: PDB                                   
REMARK 900 FLAVODOXIN COMPLEXED WITH FLAVIN MONONUCLEOTIDE (FMN)                
REMARK 999                                                                      
REMARK 999 SEQUENCE                                                             
REMARK 999 THE FIRST RESIDUE WAS MUTATED TO ALA (FROM SER) DURING               
REMARK 999  CLONING PROCEDURE AS DESCRIBED IN THE FOLLOWING ARTICLE,            
REMARK 999  FILLAT ET AL., BIOCHEM. J. (1991),280,187                           
DBREF  1OBV A 1001  1001  PDB    1OBV     1OBV          1001   1001             
DBREF  1OBV A 1002  1169  UNP    P11241   FLAV_ANASP       2    169             
SEQADV 1OBV PHE A 1094  UNP  P11241    TYR    94 ENGINEERED MUTATION            
SEQRES   1 A  169  ALA LYS LYS ILE GLY LEU PHE TYR GLY THR GLN THR GLY          
SEQRES   2 A  169  LYS THR GLU SER VAL ALA GLU ILE ILE ARG ASP GLU PHE          
SEQRES   3 A  169  GLY ASN ASP VAL VAL THR LEU HIS ASP VAL SER GLN ALA          
SEQRES   4 A  169  GLU VAL THR ASP LEU ASN ASP TYR GLN TYR LEU ILE ILE          
SEQRES   5 A  169  GLY CYS PRO THR TRP ASN ILE GLY GLU LEU GLN SER ASP          
SEQRES   6 A  169  TRP GLU GLY LEU TYR SER GLU LEU ASP ASP VAL ASP PHE          
SEQRES   7 A  169  ASN GLY LYS LEU VAL ALA TYR PHE GLY THR GLY ASP GLN          
SEQRES   8 A  169  ILE GLY PHE ALA ASP ASN PHE GLN ASP ALA ILE GLY ILE          
SEQRES   9 A  169  LEU GLU GLU LYS ILE SER GLN ARG GLY GLY LYS THR VAL          
SEQRES  10 A  169  GLY TYR TRP SER THR ASP GLY TYR ASP PHE ASN ASP SER          
SEQRES  11 A  169  LYS ALA LEU ARG ASN GLY LYS PHE VAL GLY LEU ALA LEU          
SEQRES  12 A  169  ASP GLU ASP ASN GLN SER ASP LEU THR ASP ASP ARG ILE          
SEQRES  13 A  169  LYS SER TRP VAL ALA GLN LEU LYS SER GLU PHE GLY LEU          
HET    FMN  A1170      31                                                       
HET    SO4  A1171       5                                                       
HET    SO4  A1172       5                                                       
HET    SO4  A1173       5                                                       
HETNAM     FMN FLAVIN MONONUCLEOTIDE                                            
HETNAM     SO4 SULFATE ION                                                      
HETSYN     FMN RIBOFLAVIN MONOPHOSPHATE                                         
FORMUL   2  FMN    C17 H21 N4 O9 P                                              
FORMUL   3  SO4    3(O4 S 2-)                                                   
FORMUL   6  HOH   *140(H2 O)                                                    
HELIX    1   1 GLY A 1013  GLY A 1027  1                                  15    
HELIX    2   2 SER A 1037  ALA A 1039  5                                   3    
HELIX    3   3 GLU A 1040  TYR A 1047  5                                   8    
HELIX    4   4 GLN A 1063  ASP A 1074  1                                  12    
HELIX    5   5 GLN A 1099  ARG A 1112  1                                  14    
HELIX    6   6 GLN A 1148  ASP A 1150  5                                   3    
HELIX    7   7 LEU A 1151  PHE A 1167  1                                  17    
SHEET    1  AA 5 VAL A1031  ASP A1035  0                                        
SHEET    2  AA 5 ILE A1004  TYR A1008  1  O  ILE A1004   N  THR A1032           
SHEET    3  AA 5 TYR A1049  GLY A1053  1  O  TYR A1049   N  GLY A1005           
SHEET    4  AA 5 LEU A1082  THR A1088  1  O  LEU A1082   N  LEU A1050           
SHEET    5  AA 5 LYS A1115  THR A1116  1  O  LYS A1115   N  VAL A1083           
SHEET    1  AB 5 VAL A1031  ASP A1035  0                                        
SHEET    2  AB 5 ILE A1004  TYR A1008  1  O  ILE A1004   N  THR A1032           
SHEET    3  AB 5 TYR A1049  GLY A1053  1  O  TYR A1049   N  GLY A1005           
SHEET    4  AB 5 LEU A1082  THR A1088  1  O  LEU A1082   N  LEU A1050           
SHEET    5  AB 5 LEU A1141  LEU A1143  1  O  LEU A1141   N  GLY A1087           
SHEET    1  AC 2 THR A1056  TRP A1057  0                                        
SHEET    2  AC 2 GLU A1061  LEU A1062 -1  O  GLU A1061   N  TRP A1057           
SHEET    1  AD 3 TRP A1120  SER A1121  0                                        
SHEET    2  AD 3 LYS A1137  PHE A1138 -1  O  PHE A1138   N  TRP A1120           
SHEET    3  AD 3 LEU A1133  ARG A1134 -1  O  ARG A1134   N  LYS A1137           
SITE     1 AC1  6 ASN A1147  GLN A1148  HOH A2083  HOH A2101                    
SITE     2 AC1  6 HOH A2106  HOH A2134                                          
SITE     1 AC2  7 GLN A1011  ARG A1134  ASN A1135  GLY A1136                    
SITE     2 AC2  7 HOH A2136  HOH A2137  HOH A2138                               
SITE     1 AC3  4 LYS A1131  HOH A2090  HOH A2139  HOH A2140                    
SITE     1 AC4 23 THR A1010  GLN A1011  THR A1012  GLY A1013                    
SITE     2 AC4 23 LYS A1014  THR A1015  PRO A1055  THR A1056                    
SITE     3 AC4 23 TRP A1057  ASN A1058  ILE A1059  GLY A1060                    
SITE     4 AC4 23 THR A1088  GLY A1089  ASP A1090  PHE A1094                    
SITE     5 AC4 23 ASN A1097  PHE A1098  GLN A1099  TYR A1119                    
SITE     6 AC4 23 ARG A1134  ASP A1146  HOH A2056                               
CRYST1   44.086   57.146   58.930  90.00  90.00  90.00 P 21 21 21    4          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.022683  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.017499  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.016969        0.00000