interface graph thumbnail
legend  pdf

structure nameWHIB3 BOUND TO SIGMAAR4-RNAP BETA FLAP TIP CHIMERA AND DNA
referenceZhang et al. J.Biol.Chem. ? 104777 2023
experimentX-ray (resolution=2.44, R-factor=0.224)
structural superfamilySigma3 and sigma4 domains of RNA polymerase sigma factors;
sequence familySigma70, region 4;
multimeric complexes7kuf_AB 8cyf_AB
redundant complexes7kuf
links to other resourcesNAKB PDBSum PDIdb DNAproDB
protein sequence
interface signatureTERQ

Estimated binding specificities ?

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# IC=1.799 IC/col=0.450 n_of_columns=4 specificity:   
A |  13   9   9   7
C |  13   9   9   7
G |  14   9   9   7
T |  56  69  69  75
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updated Sun Aug 3 23:49:15 2025