HEADER    TRANSCRIPTION                           28-MAR-08   2K29              
TITLE     STRUCTURE OF THE DBD DOMAIN OF E. COLI ANTITOXIN RELB                 
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: ANTITOXIN RELB;                                            
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 FRAGMENT: DNA BINDING DOMAIN, UNP RESIDUES 4-53;                     
COMPND   5 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI;                               
SOURCE   3 ORGANISM_TAXID: 562;                                                 
SOURCE   4 GENE: RELB;                                                          
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3);                       
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   7 EXPRESSION_SYSTEM_STRAIN: BL21;                                      
SOURCE   8 EXPRESSION_SYSTEM_VARIANT: DE3;                                      
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  10 EXPRESSION_SYSTEM_VECTOR: PET28A                                     
KEYWDS    RELB, RIBBON-HELIX-HELIX, ANTITOXIN, REPRESSOR, STRESS RESPONSE,      
KEYWDS   2 TRANSCRIPTION, TRANSCRIPTION REGULATION                              
EXPDTA    SOLUTION NMR                                                          
NUMMDL    20                                                                    
AUTHOR    G.LI,Y.ZHANG,M.INOUYE,M.IKURA                                         
REVDAT   6   08-MAY-24 2K29    1       REMARK                                   
REVDAT   5   14-JUN-23 2K29    1       REMARK                                   
REVDAT   4   19-FEB-20 2K29    1       REMARK SEQADV                            
REVDAT   3   24-FEB-09 2K29    1       VERSN                                    
REVDAT   2   24-JUN-08 2K29    1       JRNL                                     
REVDAT   1   22-APR-08 2K29    0                                                
JRNL        AUTH   G.Y.LI,Y.ZHANG,M.INOUYE,M.IKURA                              
JRNL        TITL   STRUCTURAL MECHANISM OF TRANSCRIPTIONAL AUTOREPRESSION OF    
JRNL        TITL 2 THE ESCHERICHIA COLI RELB/RELE ANTITOXIN/TOXIN MODULE.       
JRNL        REF    J.MOL.BIOL.                   V. 380   107 2008              
JRNL        REFN                   ISSN 0022-2836                               
JRNL        PMID   18501926                                                     
JRNL        DOI    10.1016/J.JMB.2008.04.039                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION. NOT APPLICABLE.                                          
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CYANA 2.1, CNS 1.1                                   
REMARK   3   AUTHORS     : GUNTERT, MUMENTHALER AND WUTHRICH (CYANA),           
REMARK   3                 BRUNGER, ADAMS, CLORE, GROS, NILGES AND READ (CNS)   
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 2K29 COMPLIES WITH FORMAT V. 3.15, 01-DEC-08                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 02-APR-08.                  
REMARK 100 THE DEPOSITION ID IS D_1000100584.                                   
REMARK 210                                                                      
REMARK 210 EXPERIMENTAL DETAILS                                                 
REMARK 210  EXPERIMENT TYPE                : NMR                                
REMARK 210  TEMPERATURE           (KELVIN) : 303                                
REMARK 210  PH                             : 7.0                                
REMARK 210  IONIC STRENGTH                 : 0.12                               
REMARK 210  PRESSURE                       : 1 ATM                              
REMARK 210  SAMPLE CONTENTS                : 0.5-1.0 MM [U-100% 13C; U-100%     
REMARK 210                                   15N] RELBN, 20 MM SODIUM           
REMARK 210                                   PHOSPHATE, 100 MM SODIUM           
REMARK 210                                   CHLORIDE, 1 MM DTT, 1 UM SODIUM    
REMARK 210                                   AZIDE, 90% H2O/10% D2O; 0.5-1.0    
REMARK 210                                   MM [U-100% 13C; U-100% 15N]        
REMARK 210                                   RELBN, 20 MM SODIUM PHOSPHATE,     
REMARK 210                                   100 MM SODIUM CHLORIDE, 1 MM DTT,  
REMARK 210                                   1 UM SODIUM AZIDE, 100% D2O        
REMARK 210                                                                      
REMARK 210  NMR EXPERIMENTS CONDUCTED      : 2D 1H-15N HSQC; 3D HNCACB; 3D      
REMARK 210                                   CBCA(CO)NH; 3D C(CO)NH; 3D H(CCO)  
REMARK 210                                   NH; 3D HNCO; 2D 1H-13C HSQC; 3D    
REMARK 210                                   HCCH-TOCSY; 3D 1H-15N NOESY; 3D    
REMARK 210                                   1H-13C NOESY                       
REMARK 210  SPECTROMETER FIELD STRENGTH    : 600 MHZ; 500 MHZ                   
REMARK 210  SPECTROMETER MODEL             : INOVA                              
REMARK 210  SPECTROMETER MANUFACTURER      : VARIAN                             
REMARK 210                                                                      
REMARK 210  STRUCTURE DETERMINATION.                                            
REMARK 210   SOFTWARE USED                 : VNMR 6.1C, XEASY                   
REMARK 210   METHOD USED                   : SIMULATED ANNEALING                
REMARK 210                                                                      
REMARK 210 CONFORMERS, NUMBER CALCULATED   : 200                                
REMARK 210 CONFORMERS, NUMBER SUBMITTED    : 20                                 
REMARK 210 CONFORMERS, SELECTION CRITERIA  : STRUCTURES WITH THE LOWEST         
REMARK 210                                   ENERGY                             
REMARK 210                                                                      
REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : 1                   
REMARK 210                                                                      
REMARK 210 REMARK: THE STRUCTURE WAS DETERMINED USING A COMBINATION OF NOE      
REMARK 210  AND RESIDUAL DIPOLAR COUPLING DATA.                                 
REMARK 215                                                                      
REMARK 215 NMR STUDY                                                            
REMARK 215 THE COORDINATES IN THIS ENTRY WERE GENERATED FROM SOLUTION           
REMARK 215 NMR DATA.  PROTEIN DATA BANK CONVENTIONS REQUIRE THAT                
REMARK 215 CRYST1 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES ON              
REMARK 215 THESE RECORDS ARE MEANINGLESS.                                       
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 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 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (RES=RESIDUE NAME; C=CHAIN IDENTIFIER;                   
REMARK 465 SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                            
REMARK 465   MODELS 1-20                                                        
REMARK 465     RES C SSSEQI                                                     
REMARK 465     GLY A    -2                                                      
REMARK 465     SER A    -1                                                      
REMARK 465     HIS A     0                                                      
REMARK 465     GLY B    98                                                      
REMARK 465     SER B    99                                                      
REMARK 465     HIS B   100                                                      
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  1 ARG A  43      -40.95   -151.17                                   
REMARK 500  1 LEU A  44      144.01     70.23                                   
REMARK 500  1 LYS A  47       30.46    -93.38                                   
REMARK 500  1 ARG B 143      -38.35   -138.22                                   
REMARK 500  1 LEU B 144      162.79     65.80                                   
REMARK 500  1 LYS B 147       49.17   -106.70                                   
REMARK 500  2 ARG A  43      -37.19   -149.08                                   
REMARK 500  2 LEU A  44      142.37     71.31                                   
REMARK 500  2 PHE A  46      -67.27   -102.04                                   
REMARK 500  2 LYS A  47      -28.52     69.94                                   
REMARK 500  2 ARG B 143      -38.08   -150.07                                   
REMARK 500  2 LEU B 144      146.66     66.84                                   
REMARK 500  3 ARG A  43      -47.09   -133.59                                   
REMARK 500  3 LEU A  44      141.88     67.21                                   
REMARK 500  3 THR A  49       15.35   -151.85                                   
REMARK 500  3 ARG B 143      -31.34   -134.18                                   
REMARK 500  3 LEU B 144      162.00     65.17                                   
REMARK 500  3 PHE B 146      -69.79   -123.23                                   
REMARK 500  3 LYS B 147      -30.94     72.05                                   
REMARK 500  3 GLN B 148      -83.31     67.06                                   
REMARK 500  4 LEU A  44      150.59     72.76                                   
REMARK 500  4 PHE A  46      -74.14   -104.46                                   
REMARK 500  4 LYS A  47      -18.02     73.09                                   
REMARK 500  4 GLN A  48     -157.11     53.97                                   
REMARK 500  4 ARG B 143      -29.73   -152.97                                   
REMARK 500  4 LEU B 144      160.92     66.92                                   
REMARK 500  4 LYS B 147       99.91    -61.18                                   
REMARK 500  5 ARG A  43      -37.39   -146.80                                   
REMARK 500  5 LEU A  44      137.38     70.32                                   
REMARK 500  5 LYS A  47       47.56    -82.06                                   
REMARK 500  5 THR A  49       16.34     53.06                                   
REMARK 500  5 ARG B 143      -33.17   -143.67                                   
REMARK 500  5 LEU B 144      150.12     73.31                                   
REMARK 500  5 GLN B 148      -96.39     52.40                                   
REMARK 500  6 ARG A  43      -42.23   -146.91                                   
REMARK 500  6 LEU A  44      149.19     68.84                                   
REMARK 500  6 PHE A  46      -45.82   -138.44                                   
REMARK 500  6 ARG B 143      -35.54   -145.76                                   
REMARK 500  6 LEU B 144      143.37     65.91                                   
REMARK 500  6 GLN B 148     -166.29    -72.84                                   
REMARK 500  6 THR B 149       28.36   -142.32                                   
REMARK 500  7 ARG A  43      -33.06   -152.38                                   
REMARK 500  7 LEU A  44      158.30     69.00                                   
REMARK 500  7 ARG B 143      -39.65   -149.89                                   
REMARK 500  7 LEU B 144      145.16     67.33                                   
REMARK 500  7 GLN B 148      175.15     45.38                                   
REMARK 500  8 ARG A  43      -33.76   -154.04                                   
REMARK 500  8 LEU A  44      148.09     71.76                                   
REMARK 500  8 LYS A  47       24.99     47.23                                   
REMARK 500  8 GLN A  48     -161.79     54.83                                   
REMARK 500                                                                      
REMARK 500 THIS ENTRY HAS     146 RAMACHANDRAN OUTLIERS.                        
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 15691   RELATED DB: BMRB                                 
DBREF  2K29 A    1    50  UNP    P0C079   RELB_ECOLI       1     50             
DBREF  2K29 B  101   150  UNP    P0C079   RELB_ECOLI       1     50             
SEQADV 2K29 GLY A   -2  UNP  P0C079              EXPRESSION TAG                 
SEQADV 2K29 SER A   -1  UNP  P0C079              EXPRESSION TAG                 
SEQADV 2K29 HIS A    0  UNP  P0C079              EXPRESSION TAG                 
SEQADV 2K29 GLY B   98  UNP  P0C079              EXPRESSION TAG                 
SEQADV 2K29 SER B   99  UNP  P0C079              EXPRESSION TAG                 
SEQADV 2K29 HIS B  100  UNP  P0C079              EXPRESSION TAG                 
SEQRES   1 A   53  GLY SER HIS MET GLY SER ILE ASN LEU ARG ILE ASP ASP          
SEQRES   2 A   53  GLU LEU LYS ALA ARG SER TYR ALA ALA LEU GLU LYS MET          
SEQRES   3 A   53  GLY VAL THR PRO SER GLU ALA LEU ARG LEU MET LEU GLU          
SEQRES   4 A   53  TYR ILE ALA ASP ASN GLU ARG LEU PRO PHE LYS GLN THR          
SEQRES   5 A   53  LEU                                                          
SEQRES   1 B   53  GLY SER HIS MET GLY SER ILE ASN LEU ARG ILE ASP ASP          
SEQRES   2 B   53  GLU LEU LYS ALA ARG SER TYR ALA ALA LEU GLU LYS MET          
SEQRES   3 B   53  GLY VAL THR PRO SER GLU ALA LEU ARG LEU MET LEU GLU          
SEQRES   4 B   53  TYR ILE ALA ASP ASN GLU ARG LEU PRO PHE LYS GLN THR          
SEQRES   5 B   53  LEU                                                          
HELIX    1   1 ASP A    9  MET A   23  1                                  15    
HELIX    2   2 THR A   26  GLU A   42  1                                  17    
HELIX    3   3 ASP B  109  MET B  123  1                                  15    
HELIX    4   4 THR B  126  GLU B  142  1                                  17    
SHEET    1   A 2 GLY A   2  ILE A   8  0                                        
SHEET    2   A 2 GLY B 102  ILE B 108 -1  O  GLY B 102   N  ILE A   8           
CRYST1    1.000    1.000    1.000  90.00  90.00  90.00 P 1           1          
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      1.000000  0.000000  0.000000        0.00000                         
SCALE2      0.000000  1.000000  0.000000        0.00000                         
SCALE3      0.000000  0.000000  1.000000        0.00000                         
MODEL        1