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2cc3

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(New page: 200px<br /> <applet load="2cc3" size="450" color="white" frame="true" align="right" spinBox="true" caption="2cc3, resolution 2.20&Aring;" /> '''STRUCTURE OF AGROBA...)
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Revision as of 14:49, 29 October 2007

Image:2cc3.gif

2cc3, resolution 2.20Å

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STRUCTURE OF AGROBACTERIUM TUMEFACIENS VIRB8 PROTEIN

Overview

Bacterial type IV secretion systems (T4SS) translocate DNA and/or proteins, to recipient cells, thus providing a mechanism for conjugative transfer of, genetic material and bacterial pathogenesis. Here we describe the first, structure of a core component from the archetypal Agrobacterium, tumefaciens T4SS: the 2.2-A resolution crystal structure of the VirB8, periplasmic domain (pVirB8(AT)). VirB8 forms a dimer in the crystal, and, we identify residues likely important for stabilization of the dimer, interface. Structural comparison of pVirB8(AT) with Brucella suis VirB8, confirms that the monomers have a similar fold. In addition, the, pVirB8(AT) dimer superimposes very closely on the B. suis VirB8 dimer, supporting the proposal that dimer formation in the crystal reflects, ... [(full description)]

About this Structure

2CC3 is a [Single protein] structure of sequence from [Agrobacterium tumefaciens] with MPD as [ligand]. Full crystallographic information is available from [OCA].

Reference

Agrobacterium tumefaciens VirB8 structure reveals potential protein-protein interaction sites., Bailey S, Ward D, Middleton R, Grossmann JG, Zambryski PC, Proc Natl Acad Sci U S A. 2006 Feb 21;103(8):2582-7. Epub 2006 Feb 15. PMID:16481621

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