1par_ABCD : 3D-footprint complex

structure name	DNA RECOGNITION BY BETA-SHEETS IN THE ARC REPRESSOR-OPERATOR CRYSTAL STRUCTURE
reference	Raumann et al. Nature 367 754 1994
source	ENTEROBACTERIA PHAGE P22
experiment	X-ray (resolution=2.60, R-factor=?)
structural superfamily	Ribbon-helix-helix;
reference complex	1bdt_C
links to other resources	NAKB PDIdb DNAproDB
protein sequence	> 1par_A interface=4,9,11,13, mkgMskmpQfNlRwprevldlvrkvaeengrsvnseiyqrvmesfkkegrig > 1par_B interface=4,9,11,13, mkgMskmpQfNlRwprevldlvrkvaeengrsvnseiyqrvmesfkkegriga > 1par_C interface=4,5,9,11,13, mkgMSkmpQfNlRwprevldlvrkvaeengrsvnseiyqrvmesfkkegr > 1par_D interface=4,5,9,11,13, mkgMSkmpQfNlRwprevldlvrkvaeengrsvnseiyqrvmesfkkegriga
interface signature	MQNR/MQNR/MSQNR/MSQNR

Estimated binding specificities ?

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# IC=16.108 IC/col=0.848 n_of_columns=19

specificity:

A |   0   0   5   0  96   0  82  61  24  24  24  24   6   0   0  96  13   4  96
C |   0   0   0   0   0   0   4  13  24  24  24  24   4  96   0   0  67  74   0
G |   0  96   0   0   0  96   4   9  24  24  24  24   4   0   0   0   8   5   0
T |  96   0  91  96   0   0   6  13  24  24  24  24  82   0  96   0   8  13   0

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updated Sun Jan 4 23:14:21 2026