HEADER    OXIDOREDUCTASE                          10-JAN-23   8C5P              
TITLE     E. COLI NFSB MUTANT N71S T41L WITH ACETATE                            
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: OXYGEN-INSENSITIVE NAD(P)H NITROREDUCTASE;                 
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 SYNONYM: DIHYDROPTERIDINE REDUCTASE,FMN-DEPENDENT NITROREDUCTASE;    
COMPND   5 EC: 1.-.-.-,1.5.1.34;                                                
COMPND   6 ENGINEERED: YES;                                                     
COMPND   7 MUTATION: YES;                                                       
COMPND   8 OTHER_DETAILS: DOUBLE MUTANT OF NFSB                                 
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI;                               
SOURCE   3 ORGANISM_TAXID: 562;                                                 
SOURCE   4 STRAIN: DH5A;                                                        
SOURCE   5 GENE: NFSB, DPRA, NFNB, NFSI, NTR, B0578, JW0567;                    
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3);                       
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   9 EXPRESSION_SYSTEM_PLASMID: PET11C                                    
KEYWDS    OXYGEN INSENSITIVE NAD(P)H NITROREDUCTASE, DOUBLE MUTANT,             
KEYWDS   2 OXIDOREDUCTASE                                                       
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    M.A.DAY,S.A.WHITE,E.I.HYDE                                            
REVDAT   2   19-JUN-24 8C5P    1       REMARK                                   
REVDAT   1   19-APR-23 8C5P    0                                                
JRNL        AUTH   M.A.DAY,A.J.CHRISTOFFERSON,J.L.R.ANDERSON,S.O.VASS,A.EVANS,  
JRNL        AUTH 2 P.F.SEARLE,S.A.WHITE,E.I.HYDE                                
JRNL        TITL   STRUCTURE AND DYNAMICS OF THREE ESCHERICHIA COLI NFSB        
JRNL        TITL 2 NITRO-REDUCTASE MUTANTS SELECTED FOR ENHANCED ACTIVITY WITH  
JRNL        TITL 3 THE CANCER PRODRUG CB1954.                                   
JRNL        REF    INT J MOL SCI                 V.  24       2023              
JRNL        REFN                   ESSN 1422-0067                               
JRNL        PMID   36983061                                                     
JRNL        DOI    10.3390/IJMS24065987                                         
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.69 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5                                             
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.69                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 43.16                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.0                           
REMARK   3   NUMBER OF REFLECTIONS             : 47036                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.152                           
REMARK   3   R VALUE            (WORKING SET) : 0.150                           
REMARK   3   FREE R VALUE                     : 0.188                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 2499                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 20                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 1.69                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.74                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 3011                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 87.46                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2190                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 154                          
REMARK   3   BIN FREE R VALUE                    : 0.2420                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 3352                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 102                                     
REMARK   3   SOLVENT ATOMS            : 522                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 16.51                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -0.54000                                             
REMARK   3    B22 (A**2) : -0.54000                                             
REMARK   3    B33 (A**2) : 1.07000                                              
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 OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.096         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.096         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.061         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.889         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.966                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.951                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  3676 ; 0.015 ; 0.012       
REMARK   3   BOND LENGTHS OTHERS               (A):  3493 ; 0.001 ; 0.016       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  4986 ; 1.818 ; 1.644       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  8079 ; 0.621 ; 1.583       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   462 ; 5.818 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):    14 ; 6.004 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   629 ;13.566 ;10.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   550 ; 0.102 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  4268 ; 0.014 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):   784 ; 0.002 ; 0.020       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND OTHERS            (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.     COUNT   RMS    WEIGHT      
REMARK   3   MAIN-CHAIN BOND REFINED ATOMS  (A**2):  1810 ; 2.161 ; 1.568       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  1806 ; 2.139 ; 1.565       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  2282 ; 2.805 ; 2.812       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  2283 ; 2.805 ; 2.812       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  1866 ; 3.439 ; 1.905       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  1867 ; 3.439 ; 1.906       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  2705 ; 5.075 ; 3.302       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  4572 ; 6.434 ;18.530       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  4401 ; 6.210 ;17.270       
REMARK   3                                                                      
REMARK   3 ANISOTROPIC THERMAL FACTOR RESTRAINTS.    COUNT   RMS   WEIGHT       
REMARK   3   RIGID-BOND RESTRAINTS          (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS STATISTICS                                           
REMARK   3   NUMBER OF DIFFERENT NCS GROUPS : NULL                              
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : MASK                                                 
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.20                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING   
REMARK   3  POSITIONS                                                           
REMARK   4                                                                      
REMARK   4 8C5P COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 10-JAN-23.                  
REMARK 100 THE DEPOSITION ID IS D_1292127844.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 17-JUL-17                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 4.6                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ESRF                               
REMARK 200  BEAMLINE                       : ID14-1                             
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.9334                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : MAR CCD 165 MM                     
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : IMOSFLM                            
REMARK 200  DATA SCALING SOFTWARE          : SCALA                              
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 49521                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.690                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 47.920                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.0                               
REMARK 200  DATA REDUNDANCY                : 13.00                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.05000                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 36.9000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.69                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.80                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : NULL                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.54                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : 0.34800                            
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: PHASER                                                
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 45.32                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.25                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 10-18% PEG 4000, 50-200 MM SODIUM        
REMARK 280  ACETATE BUFFER PH 4.6, 15% ETHYLENE GLYCOL., VAPOR DIFFUSION,       
REMARK 280  HANGING DROP, TEMPERATURE 291K                                      
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 41 21 2                        
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   -Y+1/2,X+1/2,Z+1/4                                      
REMARK 290       4555   Y+1/2,-X+1/2,Z+3/4                                      
REMARK 290       5555   -X+1/2,Y+1/2,-Z+1/4                                     
REMARK 290       6555   X+1/2,-Y+1/2,-Z+3/4                                     
REMARK 290       7555   Y,X,-Z                                                  
REMARK 290       8555   -Y,-X,-Z+1/2                                            
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      131.47200            
REMARK 290   SMTRY1   3  0.000000 -1.000000  0.000000       28.61150            
REMARK 290   SMTRY2   3  1.000000  0.000000  0.000000       28.61150            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       65.73600            
REMARK 290   SMTRY1   4  0.000000  1.000000  0.000000       28.61150            
REMARK 290   SMTRY2   4 -1.000000  0.000000  0.000000       28.61150            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000      197.20800            
REMARK 290   SMTRY1   5 -1.000000  0.000000  0.000000       28.61150            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       28.61150            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000       65.73600            
REMARK 290   SMTRY1   6  1.000000  0.000000  0.000000       28.61150            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       28.61150            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000      197.20800            
REMARK 290   SMTRY1   7  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   7  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   8  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   8 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000      131.47200            
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: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 10930 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 16940 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -26.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B                                  
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 375                                                                      
REMARK 375 SPECIAL POSITION                                                     
REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS            
REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL          
REMARK 375 POSITIONS.                                                           
REMARK 375                                                                      
REMARK 375 ATOM RES CSSEQI                                                      
REMARK 375      HOH A 974  LIES ON A SPECIAL POSITION.                          
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     MET B     1                                                      
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   O    HOH B   402     O    HOH B   596              1.99            
REMARK 500   O    ACT B   303     O    HOH B   401              2.15            
REMARK 500   O    HOH B   549     O    HOH B   595              2.17            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   OG   SER A     5     OE1  GLU A    28     5545     2.16            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                      
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)               
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   RES CSSEQI ATM2   DEVIATION                     
REMARK 500    GLU A  25   CD    GLU A  25   OE2    -0.069                       
REMARK 500    GLU B 102   CD    GLU B 102   OE2     0.070                       
REMARK 500    GLU B 216   CD    GLU B 216   OE2    -0.075                       
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    ALA A  64       58.66    -92.45                                   
REMARK 500    ASP A 198       93.25    -68.56                                   
REMARK 500    LEU B  41       17.95     57.88                                   
REMARK 500    PRO B  45       56.39    -90.55                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: PLANAR GROUPS                                              
REMARK 500                                                                      
REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL                 
REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE                    
REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN                    
REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS                        
REMARK 500 AN RMSD GREATER THAN THIS VALUE                                      
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        RMS     TYPE                                    
REMARK 500    ARG B 129         0.09    SIDE CHAIN                              
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 525                                                                      
REMARK 525 SOLVENT                                                              
REMARK 525                                                                      
REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT                    
REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST                  
REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT                 
REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE                       
REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER;                             
REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE                  
REMARK 525 NUMBER; I=INSERTION CODE):                                           
REMARK 525                                                                      
REMARK 525  M RES CSSEQI                                                        
REMARK 525    HOH A 984        DISTANCE =  6.32 ANGSTROMS                       
REMARK 525    HOH B 643        DISTANCE =  6.78 ANGSTROMS                       
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 8C5E   RELATED DB: PDB                                   
REMARK 900 TRIPLE MUTANT OF PROTEIN                                             
REMARK 900 RELATED ID: 8C5F   RELATED DB: PDB                                   
REMARK 900 TRIPLE MUTANT OF PROTEIN                                             
DBREF  8C5P A    1   217  UNP    P38489   NFSB_ECOLI       1    217             
DBREF  8C5P B    1   217  UNP    P38489   NFSB_ECOLI       1    217             
SEQADV 8C5P LEU A   41  UNP  P38489    THR    41 ENGINEERED MUTATION            
SEQADV 8C5P SER A   71  UNP  P38489    ASN    71 ENGINEERED MUTATION            
SEQADV 8C5P LEU B   41  UNP  P38489    THR    41 ENGINEERED MUTATION            
SEQADV 8C5P SER B   71  UNP  P38489    ASN    71 ENGINEERED MUTATION            
SEQRES   1 A  217  MET ASP ILE ILE SER VAL ALA LEU LYS ARG HIS SER THR          
SEQRES   2 A  217  LYS ALA PHE ASP ALA SER LYS LYS LEU THR PRO GLU GLN          
SEQRES   3 A  217  ALA GLU GLN ILE LYS THR LEU LEU GLN TYR SER PRO SER          
SEQRES   4 A  217  SER LEU ASN SER GLN PRO TRP HIS PHE ILE VAL ALA SER          
SEQRES   5 A  217  THR GLU GLU GLY LYS ALA ARG VAL ALA LYS SER ALA ALA          
SEQRES   6 A  217  GLY ASN TYR VAL PHE SER GLU ARG LYS MET LEU ASP ALA          
SEQRES   7 A  217  SER HIS VAL VAL VAL PHE CYS ALA LYS THR ALA MET ASP          
SEQRES   8 A  217  ASP VAL TRP LEU LYS LEU VAL VAL ASP GLN GLU ASP ALA          
SEQRES   9 A  217  ASP GLY ARG PHE ALA THR PRO GLU ALA LYS ALA ALA ASN          
SEQRES  10 A  217  ASP LYS GLY ARG LYS PHE PHE ALA ASP MET HIS ARG LYS          
SEQRES  11 A  217  ASP LEU HIS ASP ASP ALA GLU TRP MET ALA LYS GLN VAL          
SEQRES  12 A  217  TYR LEU ASN VAL GLY ASN PHE LEU LEU GLY VAL ALA ALA          
SEQRES  13 A  217  LEU GLY LEU ASP ALA VAL PRO ILE GLU GLY PHE ASP ALA          
SEQRES  14 A  217  ALA ILE LEU ASP ALA GLU PHE GLY LEU LYS GLU LYS GLY          
SEQRES  15 A  217  TYR THR SER LEU VAL VAL VAL PRO VAL GLY HIS HIS SER          
SEQRES  16 A  217  VAL GLU ASP PHE ASN ALA THR LEU PRO LYS SER ARG LEU          
SEQRES  17 A  217  PRO GLN ASN ILE THR LEU THR GLU VAL                          
SEQRES   1 B  217  MET ASP ILE ILE SER VAL ALA LEU LYS ARG HIS SER THR          
SEQRES   2 B  217  LYS ALA PHE ASP ALA SER LYS LYS LEU THR PRO GLU GLN          
SEQRES   3 B  217  ALA GLU GLN ILE LYS THR LEU LEU GLN TYR SER PRO SER          
SEQRES   4 B  217  SER LEU ASN SER GLN PRO TRP HIS PHE ILE VAL ALA SER          
SEQRES   5 B  217  THR GLU GLU GLY LYS ALA ARG VAL ALA LYS SER ALA ALA          
SEQRES   6 B  217  GLY ASN TYR VAL PHE SER GLU ARG LYS MET LEU ASP ALA          
SEQRES   7 B  217  SER HIS VAL VAL VAL PHE CYS ALA LYS THR ALA MET ASP          
SEQRES   8 B  217  ASP VAL TRP LEU LYS LEU VAL VAL ASP GLN GLU ASP ALA          
SEQRES   9 B  217  ASP GLY ARG PHE ALA THR PRO GLU ALA LYS ALA ALA ASN          
SEQRES  10 B  217  ASP LYS GLY ARG LYS PHE PHE ALA ASP MET HIS ARG LYS          
SEQRES  11 B  217  ASP LEU HIS ASP ASP ALA GLU TRP MET ALA LYS GLN VAL          
SEQRES  12 B  217  TYR LEU ASN VAL GLY ASN PHE LEU LEU GLY VAL ALA ALA          
SEQRES  13 B  217  LEU GLY LEU ASP ALA VAL PRO ILE GLU GLY PHE ASP ALA          
SEQRES  14 B  217  ALA ILE LEU ASP ALA GLU PHE GLY LEU LYS GLU LYS GLY          
SEQRES  15 B  217  TYR THR SER LEU VAL VAL VAL PRO VAL GLY HIS HIS SER          
SEQRES  16 B  217  VAL GLU ASP PHE ASN ALA THR LEU PRO LYS SER ARG LEU          
SEQRES  17 B  217  PRO GLN ASN ILE THR LEU THR GLU VAL                          
HET    FMN  A 601      31                                                       
HET    EDO  A 602       8                                                       
HET    DMS  A 603       4                                                       
HET    EDO  A 604       4                                                       
HET    DMS  A 605       4                                                       
HET    EDO  A 606       4                                                       
HET    ACT  A 607       4                                                       
HET    FMN  B 301      31                                                       
HET    EDO  B 302       8                                                       
HET    ACT  B 303       8                                                       
HET    EDO  B 304       4                                                       
HET    ACT  B 305       4                                                       
HETNAM     FMN FLAVIN MONONUCLEOTIDE                                            
HETNAM     EDO 1,2-ETHANEDIOL                                                   
HETNAM     DMS DIMETHYL SULFOXIDE                                               
HETNAM     ACT ACETATE ION                                                      
HETSYN     FMN RIBOFLAVIN MONOPHOSPHATE                                         
HETSYN     EDO ETHYLENE GLYCOL                                                  
FORMUL   3  FMN    2(C17 H21 N4 O9 P)                                           
FORMUL   4  EDO    5(C2 H6 O2)                                                  
FORMUL   5  DMS    2(C2 H6 O S)                                                 
FORMUL   9  ACT    3(C2 H3 O2 1-)                                               
FORMUL  15  HOH   *522(H2 O)                                                    
HELIX    1 AA1 ASP A    2  ARG A   10  1                                   9    
HELIX    2 AA2 THR A   23  SER A   37  1                                  15    
HELIX    3 AA3 SER A   39  SER A   43  5                                   5    
HELIX    4 AA4 THR A   53  LYS A   62  1                                  10    
HELIX    5 AA5 SER A   63  ALA A   64  5                                   2    
HELIX    6 AA6 ALA A   65  PHE A   70  5                                   6    
HELIX    7 AA7 SER A   71  ALA A   78  1                                   8    
HELIX    8 AA8 ASP A   91  ASP A  105  1                                  15    
HELIX    9 AA9 THR A  110  ASP A  131  1                                  22    
HELIX   10 AB1 ASP A  134  LEU A  157  1                                  24    
HELIX   11 AB2 ASP A  168  PHE A  176  1                                   9    
HELIX   12 AB3 GLY A  177  GLY A  182  1                                   6    
HELIX   13 AB4 ASP A  198  THR A  202  5                                   5    
HELIX   14 AB5 PRO A  209  THR A  213  1                                   5    
HELIX   15 AB6 ILE B    3  ARG B   10  1                                   8    
HELIX   16 AB7 THR B   23  SER B   37  1                                  15    
HELIX   17 AB8 SER B   39  SER B   43  5                                   5    
HELIX   18 AB9 THR B   53  LYS B   62  1                                  10    
HELIX   19 AC1 SER B   63  ALA B   65  5                                   3    
HELIX   20 AC2 TYR B   68  ALA B   78  1                                  11    
HELIX   21 AC3 ASP B   91  ASP B  105  1                                  15    
HELIX   22 AC4 THR B  110  ASP B  131  1                                  22    
HELIX   23 AC5 ASP B  134  LEU B  157  1                                  24    
HELIX   24 AC6 ASP B  168  GLY B  177  1                                  10    
HELIX   25 AC7 GLY B  177  GLY B  182  1                                   6    
HELIX   26 AC8 ASP B  198  THR B  202  5                                   5    
HELIX   27 AC9 PRO B  209  THR B  213  1                                   5    
SHEET    1 AA1 5 ASP A 160  ALA A 161  0                                        
SHEET    2 AA1 5 TYR A 183  GLY A 192 -1  O  GLY A 192   N  ASP A 160           
SHEET    3 AA1 5 HIS A  80  LYS A  87 -1  N  HIS A  80   O  VAL A 191           
SHEET    4 AA1 5 TRP A  46  ALA A  51 -1  N  ALA A  51   O  VAL A  81           
SHEET    5 AA1 5 LEU B 214  GLU B 216  1  O  THR B 215   N  VAL A  50           
SHEET    1 AA2 5 LEU A 214  VAL A 217  0                                        
SHEET    2 AA2 5 TRP B  46  ALA B  51  1  O  PHE B  48   N  THR A 215           
SHEET    3 AA2 5 HIS B  80  LYS B  87 -1  O  VAL B  83   N  ILE B  49           
SHEET    4 AA2 5 TYR B 183  GLY B 192 -1  O  VAL B 187   N  PHE B  84           
SHEET    5 AA2 5 ASP B 160  ALA B 161 -1  N  ASP B 160   O  GLY B 192           
CRYST1   57.223   57.223  262.944  90.00  90.00  90.00 P 41 21 2    16          
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      0.017475  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.017475  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.003803        0.00000