ISDA

Deposition Date 2011-12-05

Release Date 2012-05-23

Last Version Date 2024-11-06

Entry Detail

PDB ID:

3UXW

Keywords:

DNA/PEPTIDE

Title:

Crystal Structures of an A-T-hook/DNA complex

Biological Source:

Source Organism:

(Taxon ID: )

Method Details:

Experimental Method:

X-RAY DIFFRACTION

Resolution:

2.27 Å

R-Value Free:

0.27

R-Value Work:

0.21

R-Value Observed:

0.22

Space Group:

P 1 21 1

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Macromolecular Entities

Polymer Type:polydeoxyribonucleotide
Molecule:dodecamer DNA
Chain IDs:A, B, C, D, E, F, G, H
Chain Length:12
Number of Molecules:8
Biological Source:

Primary Citation

Crystal structure of a complex of DNA with one AT-hook of HMGA1.

Fonfria-Subiros, E, Acosta-Reyes, F, Saperas, N, Pous, J, Subirana, J.A, Campos, J.L.Show

Plos One 7 e37120 e37120 (2012)

PMID: 22615915 DOI: 10.1371/journal.pone.0037120

Abstact

We present here for the first time the crystal structure of an AT-hook domain. We show the structure of an AT-hook of the ubiquitous nuclear protein HMGA1, combined with the oligonucleotide d(CGAATTAATTCG)(2), which has two potential AATT interacting groups. Interaction with only one of them is found. The structure presents analogies and significant differences with previous NMR studies: the AT-hook forms hydrogen bonds between main-chain NH groups and thymines in the minor groove, DNA is bent and the minor groove is widened.

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Primary Citation of related structures