4yg1_ABCD : 3D-footprint complex

structure name	HIPB-O1-O2 COMPLEX/P21212 CRYSTAL FORM
reference	Nature 524 59 2015 X-RAY DIFFRACTION
source	Escherichia coli (strain K12) / Escherichia coli (strain K12) / Escherichia coli (strain K12) / Escherichia coli (strain K12) / Escherichia coli (strain K12) / Escherichia coli (strain K12) / Escherichia coli (strain K12) / Escherichia coli (strain K12)
experiment	X-ray (resolution=3.25, R-factor=?)
structural superfamily	lambda repressor-like DNA-binding domains;
reference complex	4z5h_A
links to other resources	NAKB PDIdb DNAproDB
protein sequence	> 4yg1_A interface=29,38,39,40,43, mmsfqkiysptqlanamklvrqqngwtqSelakkigiKQAtiSnfennpdnttlttffkilqslelsmtlcd > 4yg1_B interface=26,35,36,37,40,41, fqkiysptqlanamklvrqqngwtqSelakkigiKQAtiSNfennpdnttlttffkilqslelsmtlcd > 4yg1_C interface=35,36,37,40, fqkiysptqlanamklvrqqngwtqselakkigiKQAtiSnfennpdnttlttffkilqslelsmtlcd > 4yg1_D interface=28,37,38,39,42, msfqkiysptqlanamklvrqqngwtqSelakkigiKQAtiSnfennpdnttlttffkilqslelsmtlcd
interface signature	SKQAS/SKQASN/KQAS/SKQAS

Estimated binding specificities ?

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# IC=18.676 IC/col=0.424 n_of_columns=44

specificity:

A |   0  96   5  24   0   3  24  24  24  24  24  24   3  24  96   0  73  24  24  24  24  24  24  24  24  24  24   6  96  24   0  72   5  24  24  24  24  24  24  24   0  96   0  96
C |   3   0  12  24  96   5  24  24  24  24  24  24   8  24   0  30   7  24  24  24  24  24  24  24  24  24  24   1   0  24  96  19  13  24  24  24  24  24  24  24   0   0   0   0
G |   1   0   3  24   0  85  24  24  24  24  24  24  82  24   0   1   7  24  24  24  24  24  24  24  24  24  24   3   0  24   0   4  19  24  24  24  24  24  24  24  96   0   0   0
T |  92   0  76  24   0   3  24  24  24  24  24  24   3  24   0  65   9  24  24  24  24  24  24  24  24  24  24  86   0  24   0   1  59  24  24  24  24  24  24  24   0   0  96   0

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updated Wed Jun 24 23:52:46 2026