1hdd_CD : 3D-footprint complex

structure name	CRYSTAL STRUCTURE OF AN ENGRAILED HOMEODOMAIN-DNA COMPLEX AT 2.8 ANGSTROMS RESOLUTION: A FRAMEWORK FOR UNDERSTANDING HOMEODOMAIN-DNA INTERACTIONS
reference	Martin-Blanco et al.
source	Drosophila melanogaster
experiment	X-ray (resolution=2.80, R-factor=?)
structural superfamily	Homeodomain-like;
reference complex	6m3d_C
links to other resources	NAKB PDIdb DNAproDB
protein sequence	> 1hdd_C interface=1,3,45,48,49,53, RpRtafsseqlarlkrefnenrylterrrqqlsselglneaqikIwfQNkraKikks > 1hdd_D interface=45,48, rprtafsseqlarlkrefnenrylterrrqqlsselglneaqikIwfQnkrakikks
interface signature	RRIQNK/IQ

Estimated binding specificities ?

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# IC=7.573 IC/col=0.631 n_of_columns=12

specificity:

A |   0  82  24  24  24   0  24  75   0   6  84   9
C |   0   0  24  24  24   0  24   6   0   6   0  75
G |   0   6  24  24  24   0  24   9   0   9   6   6
T |  96   8  24  24  24  96  24   6  96  75   6   6

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updated Sun Jan 4 21:22:26 2026