2o8k_A : 3D-footprint complex

structure name	NMR STRUCTURE OF THE SIGMA-54 RPON DOMAIN BOUND TO THE-24 PROMOTER ELEMENT (RNA POLYMERASE SIGMA FACTOR RPON)
source	AQUIFEX AEOLICUS
experiment	NMR
structural superfamily	"Winged helix" DNA-binding domain;
sequence family	Sigma54, DNA binding domain 124;
redundant complexes	2o9l
reference complex	5ui5_I
links to other resources	NAKB PDIdb DNAproDB
protein sequence	> 2o8k_A interface=27,43,44,45,48, hmltqgelmklikeivenedkrkpysDqeianilkekgfkvaRRTvaKyremlgipssrerri
interface signature	DRRTK

Estimated binding specificities ?

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# IC=3.030 IC/col=0.606 n_of_columns=5

specificity:

A |   4   0   6  24  56
C |   7   0  78  24  13
G |   4  96   6  24  14
T |  81   0   6  24  13

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Related DNA sequences reported in the literature ?

site	source	matches (E-value)
term: SIGMA-54
TACCA	PubMed	2o9l_A(9.74e-03)

Dendrogram of similar interfaces ?

matrix format

  
  DT--RTRGTTKT----   L                    +----2o8k_A    
                             +------------1 
  ------RCQCQA----       +---2            +----4hdv_A    
                         !   ! 
  --TT------HTRTVG   L --3   +-----------------6ldm_A    
                         ! 
  ----RCET--SAQAKT   L   +---------------------6qec_A

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updated Thu Jan 8 20:28:12 2026