2kej_AB : 3D-footprint complex

structure name	SOLUTION STRUCTURE OF A DIMER OF LAC REPRESSOR DNA-BINDING DOMAIN COMPLEXED TO ITS NATURAL OPERATOR O2
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	> 2kej_A interface=6,7,16,17,18,21,22,29,53,56,57, mkpvtLYdvaeyagvSYQtvSRvvnqasHvsaktrekveaamaelnyipnrcAqqLAgkqsl > 2kej_B interface=7,16,17,18,21,22,29,53,56,57, mkpvtlYdvaeyagvSYQtvSRvvnqasHvsaktrekveaamaelnyipnrcAqqLAgkqsl
interface signature	LYSYQSRHALA/YSYQSRHALA

Estimated binding specificities ?

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# IC=19.133 IC/col=1.196 n_of_columns=16

specificity:

A |  54   0   0   0   0  96   0   0   0  96   0  13  96  96   0  96
C |  16   0   0   0   0   0   0  96   0   0   0  13   0   0  96   0
G |  13   0  96   0  96   0  96   0  96   0  96  13   0   0   0   0
T |  13  96   0  96   0   0   0   0   0   0   0  57   0   0   0   0

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updated Wed Jun 24 13:02:42 2026