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=15.694 IC/col=0.826 n_of_columns=19

specificity:

A |   0  34   9   0  96   0  87  24  24  24  24  24   0   0   0  96  83   0  96
C |   0   3  21   0   0   0   3  24  24  24  24  12   3  96   0   0   3  96   0
G |   0  49  54   0   0  96   3  24  24  24  24  14   1   0   0   0   0   0   0
T |  96  10  12  96   0   0   3  24  24  24  24  46  92   0  96   0  10   0   0

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updated Wed Jun 24 11:17:47 2026