1e9r
From Proteopedia
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[[Category: ring helicases]] | [[Category: ring helicases]] | ||
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Revision as of 13:04, 30 October 2007
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BACTERIAL CONJUGATIVE COUPLING PROTEIN TRWBDELTAN70. TRIGONAL FORM IN COMPLEX WITH SULPHATE.
Overview
The transfer of DNA across membranes and between cells is a central, biological process; however, its molecular mechanism remains unknown. In, prokaryotes, trans-membrane passage by bacterial conjugation, is the main, route for horizontal gene transfer. It is the means for rapid acquisition, of new genetic information, including antibiotic resistance by pathogens., Trans-kingdom gene transfer from bacteria to plants or fungi and even, bacterial sporulation are special cases of conjugation. An integral, membrane DNA-binding protein, called TrwB in the Escherichia coli R388, conjugative system, is essential for the conjugation process. This large, multimeric protein is responsible for recruiting the relaxosome, DNA-protein complex, and participates in the transfer of a single DNA, strand ... [(full description)]
About this Structure
1E9R is a [Single protein] structure of sequence from [Escherichia coli] with SO4 as [ligand]. Structure known Active Site: SO1. Full crystallographic information is available from [OCA].
Reference
The bacterial conjugation protein TrwB resembles ring helicases and F1-ATPase., Gomis-Ruth FX, Moncalian G, Perez-Luque R, Gonzalez A, Cabezon E, de la Cruz F, Coll M, Nature. 2001 Feb 1;409(6820):637-41. PMID:11214325
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