2kek_AB : 3D-footprint complex

structure name	SOLUTION STRUCTURE OF A DIMER OF LAC REPRESSOR DNA-BINDING DOMAIN COMPLEXED TO ITS NATURAL OPERATOR O3
source	ESCHERICHIA COLI
experiment	NMR
structural superfamily	lambda repressor-like DNA-binding domains;
reference complex	1l1m_B
links to other resources	NAKB PDIdb DNAproDB
protein sequence	> 2kek_A interface=6,7,16,17,18,21,22,56,57, mkpvtLYdvaeyagvSYQtvSRvvnqashvsaktrekveaamaelnyipnrcaqqLAgkqsl > 2kek_B interface=7,17,18,22,29,53,56,57, mkpvtlYdvaeyagvsYQtvsRvvnqasHvsaktrekveaamaelnyipnrcAqqLAgkqsl
interface signature	LYSYQSRLA/YYQRHALA

Estimated binding specificities ?

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# IC=9.929 IC/col=0.827 n_of_columns=12

specificity:

A |   5   0   0  86   5   0   5   5  70  24  24   0
C |   0   0   0   5   0  96   5  67   5  24  24   0
G |  80   0  96   5  91   0  79  13  16  24  24  96
T |  11  96   0   0   0   0   7  11   5  24  24   0

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updated Mon Jan 5 01:00:59 2026