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structure nameSTRUCTURE OF THE RIBBON-HELIX-HELIX DOMAIN OF ESCHERICHIA COLI PUTA (PUTA52) COMPLEXED WITH OPERATOR DNA (O2)
(Bifunctional protein putA)
referenceJ.Mol.Biol. 381 174 2008
sourceEscherichia coli
experimentX-ray (resolution=2.25, R-factor=0.208)
structural superfamilyRibbon-helix-helix;
multimeric complexes2rbf_AB
links to other resourcesNAKB PDBSum PDIdb DNAproDB
protein sequence
interface signatureTTMKH

Estimated binding specificities ?

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# IC=3.968 IC/col=0.567 n_of_columns=7 specificity:   
A |   0   9   9  24  24   0  11
C |   0  11   9  24  24  96  67
G |   0   9  67  24  24   0   9
T |  96  67  11  24  24   0   9
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Related DNA sequences reported in the literature ?


sitesourcematches (E-value)
term: PUTA
GTTGCAPubMed2rbf_A(3.39e-03), 2rbf_AB(5.28e-05)
GCGGTTGCACCTTTPubMed2rbf_A(7.66e-06), 2rbf_AB(2.81e-06)

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updated Sat Jan 10 05:34:53 2026