HEADER    RNA POLYMERASE SIGMA FACTOR RPON/DNA    13-DEC-06   2O9L              
TITLE     AMBER REFINED NMR STRUCTURE OF THE SIGMA-54 RPON DOMAIN BOUND TO THE- 
TITLE    2 24 PROMOTER ELEMENT                                                  
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: 5'-D(*TP*TP*TP*TP*GP*GP*CP*AP*CP*GP*TP*TP*TP*C)-3';        
COMPND   3 CHAIN: B;                                                            
COMPND   4 ENGINEERED: YES;                                                     
COMPND   5 OTHER_DETAILS: NIRB SIGMA-54 BINDING SITE NON-TEMPLATE STRAND;       
COMPND   6 MOL_ID: 2;                                                           
COMPND   7 MOLECULE: 5'-D(*GP*AP*AP*AP*CP*GP*TP*GP*CP*CP*AP*AP*AP*A)-3';        
COMPND   8 CHAIN: C;                                                            
COMPND   9 ENGINEERED: YES;                                                     
COMPND  10 OTHER_DETAILS: NIRB SIGMA-54 BINDING SITE NON-TEMPLATE STRAND;       
COMPND  11 MOL_ID: 3;                                                           
COMPND  12 MOLECULE: RNA POLYMERASE SIGMA FACTOR RPON;                          
COMPND  13 CHAIN: A;                                                            
COMPND  14 FRAGMENT: C-TERMINAL DOMAIN;                                         
COMPND  15 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 SYNTHETIC: YES;                                                      
SOURCE   3 MOL_ID: 2;                                                           
SOURCE   4 SYNTHETIC: YES;                                                      
SOURCE   5 MOL_ID: 3;                                                           
SOURCE   6 ORGANISM_SCIENTIFIC: AQUIFEX AEOLICUS;                               
SOURCE   7 ORGANISM_TAXID: 63363;                                               
SOURCE   8 GENE: RPON;                                                          
SOURCE   9 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE  10 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE  11 EXPRESSION_SYSTEM_STRAIN: BL21 (DE3) WITH ROSETTA.PLYSS;             
SOURCE  12 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  13 EXPRESSION_SYSTEM_PLASMID: PSKB3                                     
KEYWDS    AMBER, GENERALIZED BORN SOLVENT MODEL, PROTEIN-DNA COMPLEX, HELIX-    
KEYWDS   2 TURN-HELIX, TRANSCRIPTION FACTOR, SIGMA-54, RNA POLYMERASE, RNA      
KEYWDS   3 POLYMERASE SIGMA FACTOR RPON-DNA COMPLEX                             
EXPDTA    SOLUTION NMR                                                          
NUMMDL    19                                                                    
AUTHOR    M.DOUCLEFF,J.G.PELTON,P.S.LEE,D.E.WEMMER                              
REVDAT   4   27-DEC-23 2O9L    1       REMARK                                   
REVDAT   3   16-MAR-22 2O9L    1       REMARK SEQADV                            
REVDAT   2   24-FEB-09 2O9L    1       VERSN                                    
REVDAT   1   17-JUL-07 2O9L    0                                                
JRNL        AUTH   M.DOUCLEFF,J.G.PELTON,P.S.LEE,B.T.NIXON,D.E.WEMMER           
JRNL        TITL   STRUCTURAL BASIS OF DNA RECOGNITION BY THE ALTERNATIVE       
JRNL        TITL 2 SIGMA-FACTOR, SIGMA54.                                       
JRNL        REF    J.MOL.BIOL.                   V. 369  1070 2007              
JRNL        REFN                   ISSN 0022-2836                               
JRNL        PMID   17481658                                                     
JRNL        DOI    10.1016/J.JMB.2007.04.019                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION. NOT APPLICABLE.                                          
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : NMRPIPE 2.3, X-PLOR 2.14, AMBER 7.0                  
REMARK   3   AUTHORS     : DELAGLIO ET AL. 1995 (NMRPIPE), SCHWIETERS ET AL.    
REMARK   3                 2003 (X-PLOR), CASE ET AL. 2002 (AMBER)              
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: THE 20-STRUCTURE ENSEMBLE REFINED WITH    
REMARK   3  XPLOR-NIH (PDB ID: 2O8K) WERE THEN SUBJECTED TO 20 PS OF            
REMARK   3  SIMULATED ANNEALING USING THE SANDER MODULE OF AMBER 7.0 WITH       
REMARK   3  THE 1994 FORCE FIELD (FF94) AND THE GENERALIZED BORN SOLVENT        
REMARK   3  MODEL. FIRST, 0.5 PS OF ENERGY MINIMIZATION WAS PERFORMED. THEN     
REMARK   3  SIMULATED ANNEALING WAS RUN FROM 300K TO 0K USING NMR DISTANT       
REMARK   3  AND DIHEDRAL RESTRAINTS, AS WELL AS A DISTANCE DEPENDENT            
REMARK   3  DIELECTRIC AND A NONBONDING CUTOFF OF 15A.                          
REMARK   4                                                                      
REMARK   4 2O9L COMPLIES WITH FORMAT V. 3.15, 01-DEC-08                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 19-DEC-06.                  
REMARK 100 THE DEPOSITION ID IS D_1000040859.                                   
REMARK 210                                                                      
REMARK 210 EXPERIMENTAL DETAILS                                                 
REMARK 210  EXPERIMENT TYPE                : NMR                                
REMARK 210  TEMPERATURE           (KELVIN) : 318; 303; 303                      
REMARK 210  PH                             : 6.9; 6.9; 6.9                      
REMARK 210  IONIC STRENGTH                 : 250 MM NACL; 250 MM NACL; 250 MM   
REMARK 210                                   NACL                               
REMARK 210  PRESSURE                       : AMBIENT; AMBIENT; AMBIENT          
REMARK 210  SAMPLE CONTENTS                : 1 MM SIGMA-54-DNA (U-15N U-13C)    
REMARK 210                                   COMPLEX; 250 MM NACL; 10 MM        
REMARK 210                                   DEUTERATED-HEPES, PH 6.9; 1 MM     
REMARK 210                                   EDTA; 100% D2O; 1 MM SIGMA-54-     
REMARK 210                                   DNA (U-15N U-13C) COMPLEX; 250     
REMARK 210                                   MM NACL; 10 MM HEPES, PH 6.9; 1    
REMARK 210                                   MM EDTA; 90% H2O; 10% D2O; 1 MM    
REMARK 210                                   SIGMA-54-DNA (U-15N) COMPLEX;      
REMARK 210                                   250 MM NACL; 10 MM HEPES, PH 6.9;  
REMARK 210                                   1 MM EDTA; 90% H2O; 10% D2O        
REMARK 210                                                                      
REMARK 210  NMR EXPERIMENTS CONDUCTED      : 3D_C13-SEPERATED[F1], C12          
REMARK 210                                   -FILTERED[F2] NOESY; 3D_C13-       
REMARK 210                                   SEPERATED_NOESY; 3D_15N-           
REMARK 210                                   SEPERATED_NOESY; 2D_C12-           
REMARK 210                                   FILTERED[F1,F2] NOESY; 2D_C12-     
REMARK 210                                   FILTERED[F1] NOESY                 
REMARK 210  SPECTROMETER FIELD STRENGTH    : 600 MHZ; 800 MHZ                   
REMARK 210  SPECTROMETER MODEL             : DMX; AVANCE                        
REMARK 210  SPECTROMETER MANUFACTURER      : BRUKER                             
REMARK 210                                                                      
REMARK 210  STRUCTURE DETERMINATION.                                            
REMARK 210   SOFTWARE USED                 : NMRVIEW 5.0.4, CYANA 2.1           
REMARK 210   METHOD USED                   : SIMULATED ANNEALING                
REMARK 210                                                                      
REMARK 210 CONFORMERS, NUMBER CALCULATED   : 20                                 
REMARK 210 CONFORMERS, NUMBER SUBMITTED    : 19                                 
REMARK 210 CONFORMERS, SELECTION CRITERIA  : ALL CALCULATED STRUCTURES          
REMARK 210                                   SUBMITTED                          
REMARK 210                                                                      
REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : 1                   
REMARK 210                                                                      
REMARK 210 REMARK: NULL                                                         
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: TRIMERIC                          
REMARK 350 APPLY THE FOLLOWING TO CHAINS: B, C, 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 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
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                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
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,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
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   ATM2   ATM3                                     
REMARK 500  1  DT B  64   C6  -  C5  -  C7  ANGL. DEV. =  -3.8 DEGREES          
REMARK 500  1  DT B  65   O4' -  C1' -  N1  ANGL. DEV. =   2.4 DEGREES          
REMARK 500  1  DT B  65   C6  -  C5  -  C7  ANGL. DEV. =  -4.4 DEGREES          
REMARK 500  1  DT B  66   O4' -  C1' -  N1  ANGL. DEV. =   3.5 DEGREES          
REMARK 500  1  DT B  66   C6  -  C5  -  C7  ANGL. DEV. =  -4.3 DEGREES          
REMARK 500  1  DT B  67   O4' -  C1' -  N1  ANGL. DEV. =   2.5 DEGREES          
REMARK 500  1  DT B  67   C6  -  C5  -  C7  ANGL. DEV. =  -3.7 DEGREES          
REMARK 500  1  DC B  70   O4' -  C1' -  N1  ANGL. DEV. =   2.5 DEGREES          
REMARK 500  1  DC B  70   N3  -  C2  -  O2  ANGL. DEV. =  -5.1 DEGREES          
REMARK 500  1  DA B  71   C4  -  C5  -  C6  ANGL. DEV. =  -3.9 DEGREES          
REMARK 500  1  DA B  71   C5  -  C6  -  N1  ANGL. DEV. =   3.4 DEGREES          
REMARK 500  1  DA B  71   N1  -  C6  -  N6  ANGL. DEV. =  -6.2 DEGREES          
REMARK 500  1  DC B  72   O4' -  C1' -  N1  ANGL. DEV. =   3.9 DEGREES          
REMARK 500  1  DC B  72   N3  -  C2  -  O2  ANGL. DEV. =  -5.1 DEGREES          
REMARK 500  1  DT B  74   O4' -  C1' -  N1  ANGL. DEV. =   2.5 DEGREES          
REMARK 500  1  DT B  74   C6  -  C5  -  C7  ANGL. DEV. =  -4.1 DEGREES          
REMARK 500  1  DT B  75   C6  -  C5  -  C7  ANGL. DEV. =  -4.6 DEGREES          
REMARK 500  1  DT B  76   C6  -  C5  -  C7  ANGL. DEV. =  -4.2 DEGREES          
REMARK 500  1  DC B  77   N3  -  C2  -  O2  ANGL. DEV. =  -4.5 DEGREES          
REMARK 500  1  DA C  79   C4  -  C5  -  C6  ANGL. DEV. =  -3.6 DEGREES          
REMARK 500  1  DA C  79   C5  -  C6  -  N1  ANGL. DEV. =   3.5 DEGREES          
REMARK 500  1  DA C  79   N1  -  C6  -  N6  ANGL. DEV. =  -5.8 DEGREES          
REMARK 500  1  DA C  80   C4  -  C5  -  C6  ANGL. DEV. =  -3.2 DEGREES          
REMARK 500  1  DA C  80   C5  -  C6  -  N1  ANGL. DEV. =   3.3 DEGREES          
REMARK 500  1  DA C  80   N1  -  C6  -  N6  ANGL. DEV. =  -5.5 DEGREES          
REMARK 500  1  DA C  81   C4  -  C5  -  C6  ANGL. DEV. =  -3.4 DEGREES          
REMARK 500  1  DA C  81   C5  -  C6  -  N1  ANGL. DEV. =   3.5 DEGREES          
REMARK 500  1  DA C  81   N1  -  C6  -  N6  ANGL. DEV. =  -5.5 DEGREES          
REMARK 500  1  DC C  82   O4' -  C1' -  N1  ANGL. DEV. =   3.6 DEGREES          
REMARK 500  1  DC C  82   N3  -  C2  -  O2  ANGL. DEV. =  -5.0 DEGREES          
REMARK 500  1  DG C  83   O4' -  C1' -  N9  ANGL. DEV. =   9.2 DEGREES          
REMARK 500  1  DC C  86   N3  -  C2  -  O2  ANGL. DEV. =  -5.0 DEGREES          
REMARK 500  1  DC C  87   N3  -  C2  -  O2  ANGL. DEV. =  -4.5 DEGREES          
REMARK 500  1  DA C  88   C5  -  C6  -  N1  ANGL. DEV. =   3.4 DEGREES          
REMARK 500  1  DA C  88   N1  -  C6  -  N6  ANGL. DEV. =  -4.4 DEGREES          
REMARK 500  1  DA C  89   C4  -  C5  -  C6  ANGL. DEV. =  -3.3 DEGREES          
REMARK 500  1  DA C  89   C5  -  C6  -  N1  ANGL. DEV. =   3.7 DEGREES          
REMARK 500  1  DA C  89   N1  -  C6  -  N6  ANGL. DEV. =  -5.0 DEGREES          
REMARK 500  1  DA C  90   C4  -  C5  -  C6  ANGL. DEV. =  -3.3 DEGREES          
REMARK 500  1  DA C  90   C5  -  C6  -  N1  ANGL. DEV. =   3.3 DEGREES          
REMARK 500  1  DA C  90   N1  -  C6  -  N6  ANGL. DEV. =  -5.0 DEGREES          
REMARK 500  1  DA C  91   C4  -  C5  -  C6  ANGL. DEV. =  -3.4 DEGREES          
REMARK 500  1  DA C  91   C5  -  C6  -  N1  ANGL. DEV. =   3.3 DEGREES          
REMARK 500  1  DA C  91   N1  -  C6  -  N6  ANGL. DEV. =  -5.2 DEGREES          
REMARK 500  1 ARG A  44   NE  -  CZ  -  NH1 ANGL. DEV. =   3.8 DEGREES          
REMARK 500  1 ARG A  61   NE  -  CZ  -  NH1 ANGL. DEV. =   3.2 DEGREES          
REMARK 500  2  DT B  64   C6  -  C5  -  C7  ANGL. DEV. =  -4.0 DEGREES          
REMARK 500  2  DT B  65   O4' -  C1' -  N1  ANGL. DEV. =   2.4 DEGREES          
REMARK 500  2  DT B  65   C6  -  C5  -  C7  ANGL. DEV. =  -4.5 DEGREES          
REMARK 500  2  DT B  66   O4' -  C1' -  N1  ANGL. DEV. =   4.3 DEGREES          
REMARK 500                                                                      
REMARK 500 THIS ENTRY HAS     905 ANGLE DEVIATIONS.                             
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  1 THR A   4     -168.95    -71.19                                   
REMARK 500  1 GLU A  19      -86.83    -94.71                                   
REMARK 500  1 LYS A  40       51.06     37.85                                   
REMARK 500  1 SER A  57      -10.99   -158.89                                   
REMARK 500  1 SER A  58      -18.40     61.72                                   
REMARK 500  2 MET A   2      -37.48   -137.12                                   
REMARK 500  2 LEU A  11      -38.93   -130.57                                   
REMARK 500  2 GLU A  19      -85.76   -100.53                                   
REMARK 500  2 LYS A  40       28.96     35.01                                   
REMARK 500  2 SER A  57      -11.90   -150.69                                   
REMARK 500  2 SER A  58      -13.36     61.06                                   
REMARK 500  3 LEU A   3      176.51    -48.55                                   
REMARK 500  3 THR A   4     -165.50    -72.80                                   
REMARK 500  3 GLU A  19      -83.86    -89.33                                   
REMARK 500  3 LYS A  40       40.87     29.19                                   
REMARK 500  3 SER A  57       -3.51   -150.08                                   
REMARK 500  3 SER A  58       -4.08     55.40                                   
REMARK 500  4 MET A   2      -59.72     59.44                                   
REMARK 500  4 THR A   4     -168.55    -71.96                                   
REMARK 500  4 GLU A  19      -89.63    -91.40                                   
REMARK 500  4 LYS A  40       43.69     28.55                                   
REMARK 500  4 SER A  57      -68.41   -139.84                                   
REMARK 500  4 SER A  58      -20.30    121.20                                   
REMARK 500  5 THR A   4     -168.78    -71.83                                   
REMARK 500  5 GLU A  19      -93.06    -98.45                                   
REMARK 500  5 SER A  57       -7.71   -151.90                                   
REMARK 500  5 SER A  58      -16.45     58.45                                   
REMARK 500  6 GLU A  19      -86.25    -94.95                                   
REMARK 500  6 LYS A  40       28.12     35.05                                   
REMARK 500  6 SER A  57      106.64    165.66                                   
REMARK 500  6 SER A  58       -5.53    -42.33                                   
REMARK 500  7 MET A   2      -40.00   -138.23                                   
REMARK 500  7 THR A   4     -168.96    -74.03                                   
REMARK 500  7 GLU A  19      -82.62   -101.52                                   
REMARK 500  7 LYS A  40       30.13     35.49                                   
REMARK 500  7 SER A  57       -8.87   -150.81                                   
REMARK 500  7 SER A  58      -15.86     60.61                                   
REMARK 500  8 MET A   2      -46.72   -147.39                                   
REMARK 500  8 GLU A  19     -102.59   -103.40                                   
REMARK 500  8 LYS A  40       30.88     34.80                                   
REMARK 500  8 SER A  57       -7.47   -153.27                                   
REMARK 500  8 SER A  58      -21.55     59.26                                   
REMARK 500  9 THR A   4     -163.09    -72.19                                   
REMARK 500  9 GLU A  19      -97.78   -102.66                                   
REMARK 500  9 LYS A  40       25.17     35.82                                   
REMARK 500  9 SER A  57      -10.17   -150.94                                   
REMARK 500  9 SER A  58      -17.82     56.85                                   
REMARK 500 10 GLU A  19      -95.47    -93.82                                   
REMARK 500 10 LYS A  40       41.81     28.84                                   
REMARK 500 10 SER A  57      -18.43   -162.41                                   
REMARK 500                                                                      
REMARK 500 THIS ENTRY HAS     104 RAMACHANDRAN OUTLIERS.                        
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  1  DT B  64         0.07    SIDE CHAIN                              
REMARK 500  1  DG B  69         0.10    SIDE CHAIN                              
REMARK 500  1  DG B  73         0.08    SIDE CHAIN                              
REMARK 500  1  DA C  80         0.07    SIDE CHAIN                              
REMARK 500  1  DG C  83         0.08    SIDE CHAIN                              
REMARK 500  1  DC C  87         0.14    SIDE CHAIN                              
REMARK 500  1  DA C  90         0.06    SIDE CHAIN                              
REMARK 500  2  DT B  64         0.07    SIDE CHAIN                              
REMARK 500  2  DT B  66         0.09    SIDE CHAIN                              
REMARK 500  2  DG B  69         0.06    SIDE CHAIN                              
REMARK 500  2  DG B  73         0.09    SIDE CHAIN                              
REMARK 500  2  DT B  76         0.07    SIDE CHAIN                              
REMARK 500  2  DA C  80         0.06    SIDE CHAIN                              
REMARK 500  2  DC C  82         0.09    SIDE CHAIN                              
REMARK 500  2  DG C  83         0.07    SIDE CHAIN                              
REMARK 500  2  DC C  87         0.09    SIDE CHAIN                              
REMARK 500  2  DA C  90         0.07    SIDE CHAIN                              
REMARK 500  2 ARG A  50         0.09    SIDE CHAIN                              
REMARK 500  3  DT B  64         0.08    SIDE CHAIN                              
REMARK 500  3  DG B  69         0.07    SIDE CHAIN                              
REMARK 500  3  DA B  71         0.06    SIDE CHAIN                              
REMARK 500  3  DG B  73         0.06    SIDE CHAIN                              
REMARK 500  3  DC C  82         0.07    SIDE CHAIN                              
REMARK 500  3  DC C  87         0.14    SIDE CHAIN                              
REMARK 500  3  DA C  90         0.07    SIDE CHAIN                              
REMARK 500  4  DT B  64         0.08    SIDE CHAIN                              
REMARK 500  4  DT B  66         0.06    SIDE CHAIN                              
REMARK 500  4  DC C  82         0.06    SIDE CHAIN                              
REMARK 500  4  DG C  83         0.07    SIDE CHAIN                              
REMARK 500  4  DC C  87         0.13    SIDE CHAIN                              
REMARK 500  4  DA C  90         0.07    SIDE CHAIN                              
REMARK 500  4 TYR A  49         0.09    SIDE CHAIN                              
REMARK 500  4 ARG A  50         0.09    SIDE CHAIN                              
REMARK 500  5  DT B  64         0.08    SIDE CHAIN                              
REMARK 500  5  DG B  69         0.12    SIDE CHAIN                              
REMARK 500  5  DG B  73         0.10    SIDE CHAIN                              
REMARK 500  5  DT B  74         0.06    SIDE CHAIN                              
REMARK 500  5  DG C  83         0.09    SIDE CHAIN                              
REMARK 500  5  DC C  87         0.12    SIDE CHAIN                              
REMARK 500  5  DA C  90         0.06    SIDE CHAIN                              
REMARK 500  6  DT B  64         0.07    SIDE CHAIN                              
REMARK 500  6  DT B  66         0.07    SIDE CHAIN                              
REMARK 500  6  DG B  69         0.08    SIDE CHAIN                              
REMARK 500  6  DC C  82         0.07    SIDE CHAIN                              
REMARK 500  6  DG C  83         0.06    SIDE CHAIN                              
REMARK 500  6  DC C  87         0.12    SIDE CHAIN                              
REMARK 500  6  DA C  90         0.06    SIDE CHAIN                              
REMARK 500  7  DT B  64         0.07    SIDE CHAIN                              
REMARK 500  7  DT B  74         0.12    SIDE CHAIN                              
REMARK 500  7  DA C  80         0.07    SIDE CHAIN                              
REMARK 500                                                                      
REMARK 500 THIS ENTRY HAS     153 PLANE DEVIATIONS.                             
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 2O8K   RELATED DB: PDB                                   
REMARK 900 NMR STRUCTURE OF THE SIGMA-54 RPON DOMAIN BOUND TO THE -24 PROMOTER  
REMARK 900 ELEMENT (REFINED WITH XPLOR-NIH)                                     
DBREF  2O9L A    3    63  UNP    O66858   O66858_AQUAE   338    398             
DBREF  2O9L B   64    77  PDB    2O9L     2O9L            64     77             
DBREF  2O9L C   78    91  PDB    2O9L     2O9L            78     91             
SEQADV 2O9L HIS A    1  UNP  O66858              CLONING ARTIFACT               
SEQADV 2O9L MET A    2  UNP  O66858              CLONING ARTIFACT               
SEQRES   1 B   14   DT  DT  DT  DT  DG  DG  DC  DA  DC  DG  DT  DT  DT          
SEQRES   2 B   14   DC                                                          
SEQRES   1 C   14   DG  DA  DA  DA  DC  DG  DT  DG  DC  DC  DA  DA  DA          
SEQRES   2 C   14   DA                                                          
SEQRES   1 A   63  HIS MET LEU THR GLN GLY GLU LEU MET LYS LEU ILE LYS          
SEQRES   2 A   63  GLU ILE VAL GLU ASN GLU ASP LYS ARG LYS PRO TYR SER          
SEQRES   3 A   63  ASP GLN GLU ILE ALA ASN ILE LEU LYS GLU LYS GLY PHE          
SEQRES   4 A   63  LYS VAL ALA ARG ARG THR VAL ALA LYS TYR ARG GLU MET          
SEQRES   5 A   63  LEU GLY ILE PRO SER SER ARG GLU ARG ARG ILE                  
HELIX    1   1 LEU A    8  GLU A   17  1                                  10    
HELIX    2   2 SER A   26  LEU A   34  1                                   9    
HELIX    3   3 ALA A   42  GLY A   54  1                                  13    
HELIX    4   4 SER A   58  ILE A   63  1                                   6    
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