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Database: PDB
Entry: 3IAO
LinkDB: 3IAO
Original site: 3IAO 
HEADER    TRANSCRIPTION                           14-JUL-09   3IAO              
TITLE     CONFORMATIONAL PLASTICITY OF THE COILED COIL DOMAIN OF BMRR IS        
TITLE    2 REQUIRED FOR BMR PROMOTER BINDING-THE UNLIGANDED STRUCTURE OF BMRR   
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: MULTIDRUG-EFFLUX TRANSPORTER 1 REGULATOR;                  
COMPND   3 CHAIN: A;                                                            
COMPND   4 ENGINEERED: YES;                                                     
COMPND   5 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: BACILLUS SUBTILIS;                              
SOURCE   3 ORGANISM_TAXID: 1423;                                                
SOURCE   4 GENE: BMR1R, BMRR, BSU24020;                                         
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   7 EXPRESSION_SYSTEM_STRAIN: TOP10;                                     
SOURCE   8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   9 EXPRESSION_SYSTEM_PLASMID: PBAD                                      
KEYWDS    MULTIDRUG RESISTANCE, TRANSCRIPTION REGULATION, DNA-BINDING. WINGED   
KEYWDS   2 HELIX-TURN-HELIX MOTIF, ACTIVATOR, DNA-BINDING, TRANSCRIPTION        
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    M.KUMARASWAMI,K.J.NEWBERRY,R.G.BRENNAN                                
REVDAT   4   06-SEP-23 3IAO    1       REMARK                                   
REVDAT   3   13-OCT-21 3IAO    1       SEQADV ATOM                              
REVDAT   2   19-MAY-10 3IAO    1       JRNL                                     
REVDAT   1   14-APR-10 3IAO    0                                                
JRNL        AUTH   M.KUMARASWAMI,K.J.NEWBERRY,R.G.BRENNAN                       
JRNL        TITL   CONFORMATIONAL PLASTICITY OF THE COILED-COIL DOMAIN OF BMRR  
JRNL        TITL 2 IS REQUIRED FOR BMR OPERATOR BINDING: THE STRUCTURE OF       
JRNL        TITL 3 UNLIGANDED BMRR.                                             
JRNL        REF    J.MOL.BIOL.                   V. 398   264 2010              
JRNL        REFN                   ISSN 0022-2836                               
JRNL        PMID   20230832                                                     
JRNL        DOI    10.1016/J.JMB.2010.03.011                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.80 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) : 2.80                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 50.00                          
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)   (%) : 99.9                           
REMARK   3   NUMBER OF REFLECTIONS             : 11322                          
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) : 0.241                           
REMARK   3   FREE R VALUE                     : 0.275                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : 1749                            
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) : 2.80                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.98                         
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            : 2233                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 0                                       
REMARK   3   SOLVENT ATOMS            : 167                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : NULL                           
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 5.78000                                              
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : 5.78000                                              
REMARK   3    B13 (A**2) : -11.57000                                            
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : 0.37                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.43                            
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) : 0.47                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.37                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.009                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.400                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : NULL                            
REMARK   3   IMPROPER ANGLES        (DEGREES) : NULL                            
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : NULL                                      
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : NULL                                                 
REMARK   3   KSOL        : NULL                                                 
REMARK   3   BSOL        : NULL                                                 
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 3IAO COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 16-JUL-09.                  
REMARK 100 THE DEPOSITION ID IS D_1000054175.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 05-OCT-06                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 8.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 2                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ALS                                
REMARK 200  BEAMLINE                       : 8.3.1                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.12                               
REMARK 200  MONOCHROMATOR                  : SI 111 CHANNEL                     
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 315R                  
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : MOSFLM                             
REMARK 200  DATA SCALING SOFTWARE          : SCALA                              
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 11336                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.800                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 100.0                              
REMARK 200  DATA REDUNDANCY                : 4.100                              
REMARK 200  R MERGE                    (I) : 0.07500                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 28.3000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.80                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.98                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 99.9                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.32600                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: PHASER                                                
REMARK 200 STARTING MODEL: PDB ENTRY 3D71                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 63.98                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.42                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 30% PEG 4000, 0.2 M LITHIUM SULFATE,     
REMARK 280  0.1M TRIS HCL, PH 8.5, VAPOR DIFFUSION, HANGING DROP,               
REMARK 280  TEMPERATURE 298K                                                    
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 41 2 2                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X+1/2,-Y+1/2,Z+1/2                                     
REMARK 290       3555   -Y,X+1/2,Z+1/4                                          
REMARK 290       4555   Y+1/2,-X,Z+3/4                                          
REMARK 290       5555   -X+1/2,Y,-Z+3/4                                         
REMARK 290       6555   X,-Y+1/2,-Z+1/4                                         
REMARK 290       7555   Y+1/2,X+1/2,-Z+1/2                                      
REMARK 290       8555   -Y,-X,-Z                                                
REMARK 290       9555   X+1/2,Y+1/2,Z+1/2                                       
REMARK 290      10555   -X,-Y,Z                                                 
REMARK 290      11555   -Y+1/2,X,Z+3/4                                          
REMARK 290      12555   Y,-X+1/2,Z+1/4                                          
REMARK 290      13555   -X,Y+1/2,-Z+1/4                                         
REMARK 290      14555   X+1/2,-Y,-Z+3/4                                         
REMARK 290      15555   Y,X,-Z                                                  
REMARK 290      16555   -Y+1/2,-X+1/2,-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       84.00000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000       84.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       31.55000            
REMARK 290   SMTRY1   3  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  1.000000  0.000000  0.000000       84.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       15.77500            
REMARK 290   SMTRY1   4  0.000000  1.000000  0.000000       84.00000            
REMARK 290   SMTRY2   4 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000       47.32500            
REMARK 290   SMTRY1   5 -1.000000  0.000000  0.000000       84.00000            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000       47.32500            
REMARK 290   SMTRY1   6  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       84.00000            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000       15.77500            
REMARK 290   SMTRY1   7  0.000000  1.000000  0.000000       84.00000            
REMARK 290   SMTRY2   7  1.000000  0.000000  0.000000       84.00000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000       31.55000            
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        0.00000            
REMARK 290   SMTRY1   9  1.000000  0.000000  0.000000       84.00000            
REMARK 290   SMTRY2   9  0.000000  1.000000  0.000000       84.00000            
REMARK 290   SMTRY3   9  0.000000  0.000000  1.000000       31.55000            
REMARK 290   SMTRY1  10 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2  10  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3  10  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1  11  0.000000 -1.000000  0.000000       84.00000            
REMARK 290   SMTRY2  11  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3  11  0.000000  0.000000  1.000000       47.32500            
REMARK 290   SMTRY1  12  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY2  12 -1.000000  0.000000  0.000000       84.00000            
REMARK 290   SMTRY3  12  0.000000  0.000000  1.000000       15.77500            
REMARK 290   SMTRY1  13 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2  13  0.000000  1.000000  0.000000       84.00000            
REMARK 290   SMTRY3  13  0.000000  0.000000 -1.000000       15.77500            
REMARK 290   SMTRY1  14  1.000000  0.000000  0.000000       84.00000            
REMARK 290   SMTRY2  14  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3  14  0.000000  0.000000 -1.000000       47.32500            
REMARK 290   SMTRY1  15  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY2  15  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3  15  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1  16  0.000000 -1.000000  0.000000       84.00000            
REMARK 290   SMTRY2  16 -1.000000  0.000000  0.000000       84.00000            
REMARK 290   SMTRY3  16  0.000000  0.000000 -1.000000       31.55000            
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: 6830 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 26860 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -52.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   2  0.000000 -1.000000  0.000000       84.00000            
REMARK 350   BIOMT2   2 -1.000000  0.000000  0.000000       84.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000       31.55000            
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     ASN A   197                                                      
REMARK 465     LYS A   198                                                      
REMARK 465     GLN A   199                                                      
REMARK 465     ILE A   200                                                      
REMARK 465     GLU A   278                                                      
REMARK 470                                                                      
REMARK 470 MISSING ATOM                                                         
REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 470 I=INSERTION CODE):                                                   
REMARK 470   M RES CSSEQI  ATOMS                                                
REMARK 470     MET A   1    CG   SD   CE                                        
REMARK 470     LYS A   2    CG   CD   CE   NZ                                   
REMARK 470     TYR A  42    CG   CD1  CD2  CE1  CE2  CZ   OH                    
REMARK 470     GLN A 244    CG   CD   OE1  NE2                                  
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   OH   TYR A   229     NE2  GLN A   253              2.18            
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   O    HOH A   391     O    HOH A   391     5555     0.51            
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    ASN A  16       64.69   -101.69                                   
REMARK 500    ILE A  19       23.53    -74.66                                   
REMARK 500    GLU A  67       -6.65    -58.38                                   
REMARK 500    THR A 104       -8.28    -57.78                                   
REMARK 500    GLU A 117       39.68    -89.65                                   
REMARK 500    GLU A 131      106.43    -52.26                                   
REMARK 500    ALA A 139       48.89    -90.91                                   
REMARK 500    ASN A 146      -42.02   -136.48                                   
REMARK 500    SER A 153      -73.79    -73.49                                   
REMARK 500    LYS A 157       27.36    -76.32                                   
REMARK 500    PHE A 158      -57.81   -132.52                                   
REMARK 500    ALA A 162      -43.30   -133.34                                   
REMARK 500    THR A 166     -154.73   -109.69                                   
REMARK 500    THR A 210     -152.93   -151.67                                   
REMARK 500    PRO A 213      173.41    -48.22                                   
REMARK 500    PHE A 224      151.32    -43.00                                   
REMARK 500    SER A 225      133.58   -170.80                                   
REMARK 500    PRO A 226        4.50    -54.11                                   
REMARK 500    ASP A 242       -5.96    -57.52                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 3D71   RELATED DB: PDB                                   
REMARK 900 SAME PROTEIN COMPLEXED WITH DNA                                      
REMARK 900 RELATED ID: 3D70   RELATED DB: PDB                                   
REMARK 900 E253A MUTANT PROTEIN OF THE SAME PROTEIN COMPLEXED WITH DNA          
REMARK 900 RELATED ID: 1R8E   RELATED DB: PDB                                   
REMARK 900 BMRR BOUND TO DNA                                                    
DBREF  3IAO A    1   278  UNP    P39075   BMRR_BACSU       1    278             
SEQADV 3IAO GLN A  253  UNP  P39075    GLU   253 ENGINEERED MUTATION            
SEQADV 3IAO GLU A  275  UNP  P39075    ARG   275 ENGINEERED MUTATION            
SEQRES   1 A  278  MET LYS GLU SER TYR TYR SER ILE GLY GLU VAL SER LYS          
SEQRES   2 A  278  LEU ALA ASN VAL SER ILE LYS ALA LEU ARG TYR TYR ASP          
SEQRES   3 A  278  LYS ILE ASP LEU PHE LYS PRO ALA TYR VAL ASP PRO ASP          
SEQRES   4 A  278  THR SER TYR ARG TYR TYR THR ASP SER GLN LEU ILE HIS          
SEQRES   5 A  278  LEU ASP LEU ILE LYS SER LEU LYS TYR ILE GLY THR PRO          
SEQRES   6 A  278  LEU GLU GLU MET LYS LYS ALA GLN ASP LEU GLU MET GLU          
SEQRES   7 A  278  GLU LEU PHE ALA PHE TYR THR GLU GLN GLU ARG GLN ILE          
SEQRES   8 A  278  ARG GLU LYS LEU ASP PHE LEU SER ALA LEU GLU GLN THR          
SEQRES   9 A  278  ILE SER LEU VAL LYS LYS ARG MET LYS ARG GLN MET GLU          
SEQRES  10 A  278  TYR PRO ALA LEU GLY GLU VAL PHE VAL LEU ASP GLU GLU          
SEQRES  11 A  278  GLU ILE ARG ILE ILE GLN THR GLU ALA GLU GLY ILE GLY          
SEQRES  12 A  278  PRO GLU ASN VAL LEU ASN ALA SER TYR SER LYS LEU LYS          
SEQRES  13 A  278  LYS PHE ILE GLU SER ALA ASP GLY PHE THR ASN ASN SER          
SEQRES  14 A  278  TYR GLY ALA THR PHE SER PHE GLN PRO TYR THR SER ILE          
SEQRES  15 A  278  ASP GLU MET THR TYR ARG HIS ILE PHE THR PRO VAL LEU          
SEQRES  16 A  278  THR ASN LYS GLN ILE SER SER ILE THR PRO ASP MET GLU          
SEQRES  17 A  278  ILE THR THR ILE PRO LYS GLY ARG TYR ALA CYS ILE ALA          
SEQRES  18 A  278  TYR ASN PHE SER PRO GLU HIS TYR PHE LEU ASN LEU GLN          
SEQRES  19 A  278  LYS LEU ILE LYS TYR ILE ALA ASP ARG GLN LEU THR VAL          
SEQRES  20 A  278  VAL SER ASP VAL TYR GLN LEU ILE ILE PRO ILE HIS TYR          
SEQRES  21 A  278  SER PRO LYS LYS GLN GLU GLU TYR ARG VAL GLU MET LYS          
SEQRES  22 A  278  ILE GLU ILE ALA GLU                                          
FORMUL   2  HOH   *167(H2 O)                                                    
HELIX    1   1 SER A    7  ALA A   15  1                                   9    
HELIX    2   2 LYS A   20  ILE A   28  1                                   9    
HELIX    3   3 LEU A   50  ILE A   62  1                                  13    
HELIX    4   4 PRO A   65  ASP A   74  1                                  10    
HELIX    5   5 GLU A   76  GLU A   86  1                                  11    
HELIX    6   6 GLU A   86  GLU A  117  1                                  32    
HELIX    7   7 LEU A  148  SER A  151  5                                   4    
HELIX    8   8 TYR A  152  GLY A  164  1                                  13    
HELIX    9   9 SER A  181  MET A  185  5                                   5    
HELIX   10  10 GLU A  227  ASP A  242  1                                  16    
SHEET    1   A 3 TYR A   5  TYR A   6  0                                        
SHEET    2   A 3 ARG A  43  THR A  46 -1  O  TYR A  45   N  TYR A   6           
SHEET    3   A 3 TYR A  35  VAL A  36 -1  N  TYR A  35   O  TYR A  44           
SHEET    1   B 8 VAL A 124  ASP A 128  0                                        
SHEET    2   B 8 ARG A 216  ASN A 223 -1  O  CYS A 219   N  PHE A 125           
SHEET    3   B 8 TYR A 268  LYS A 273 -1  O  VAL A 270   N  TYR A 222           
SHEET    4   B 8 VAL A 251  PRO A 257 -1  N  TYR A 252   O  LYS A 273           
SHEET    5   B 8 TYR A 170  PHE A 174 -1  N  PHE A 174   O  VAL A 251           
SHEET    6   B 8 HIS A 189  PRO A 193 -1  O  PHE A 191   N  GLY A 171           
SHEET    7   B 8 ILE A 132  GLU A 138 -1  N  ILE A 135   O  THR A 192           
SHEET    8   B 8 GLU A 208  ILE A 212 -1  O  GLU A 208   N  GLN A 136           
SHEET    1   C 2 THR A 246  VAL A 247  0                                        
SHEET    2   C 2 ILE A 276  ALA A 277 -1  O  ALA A 277   N  THR A 246           
CRYST1  168.000  168.000   63.100  90.00  90.00  90.00 I 41 2 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      0.005952  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.005952  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.015848        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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