1efa_AB : 3D-footprint complex

structure name	CRYSTAL STRUCTURE OF THE LAC REPRESSOR DIMER BOUND TO OPERATOR AND THE ANTI-INDUCER ONPF
reference	Bell et al.
source	Escherichia coli
experiment	X-ray (resolution=2.60, R-factor=?)
structural superfamily	lambda repressor-like DNA-binding domains;
reference complex	1l1m_B
links to other resources	NAKB PDIdb DNAproDB
protein sequence	> 1efa_A interface=5,6,15,16,17,20,21,52,55,56, kpvtLYdvaeyagvSYQtvSRvvnqashvsaktrekveaamaelnyipnrvAqqLAgkqslligvatsslalhapsqivaaiksradqlgasvvvsmversgveacktavhnllaqrvsgliinyplddqdaiaveaactnvpalfldvsdqtpinsiifshedgtrlgvehlvalghqqiallagplssvsarlrlagwhkyltrnqiqpiaeregdwsamsgfqqtmqmlnegivptamlvandqmalgamraitesglrvgadisvvgyddtedsscyipplttikqdfrllgqtsvdrllqlsqgqavkgnqllpvslvkrktt > 1efa_B interface=5,6,15,16,17,20,21,28,52,55,56, kpvtLYdvaeyagvSYQtvSRvvnqasHvsaktrekveaamaelnyipnrvAqqLAgkqslligvatsslalhapsqivaaiksradqlgasvvvsmversgveacktavhnllaqrvsgliinyplddqdaiaveaactnvpalfldvsdqtpinsiifshedgtrlgvehlvalghqqiallagplssvsarlrlagwhkyltrnqiqpiaeregdwsamsgfqqtmqmlnegivptamlvandqmalgamraitesglrvgadisvvgyddtedsscyipplttikqdfrllgqtsvdrllqlsqgqavkgnqllpvslvkrkttla
interface signature	LYSYQSRALA/LYSYQSRHALA

Estimated binding specificities ?

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# IC=16.173 IC/col=1.078 n_of_columns=15

specificity:

A |   4   0   0   0   0  86   9   0   0   0   6   0  96   0  92
C |   6   0   0  19   5   0   5  96   0  91   4  91   0  96   0
G |   9   0  96   0  82   0  73   0  96   0   4   1   0   0   0
T |  77  96   0  77   9  10   9   0   0   5  82   4   0   0   4

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updated Wed Jun 24 09:04:13 2026