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Crystallization of the fimbrial protein FimP from Actinomyces oris and of a triple Ile‐to‐Met mutant engineered to facilitate selenomethionine labelling

Crystallization of the fimbrial protein FimP from Actinomyces oris and of a triple Ile‐to‐Met... Actinomyces oris is an oral bacterium important for the development of dental plaque. It expresses two forms of fimbriae: type 1 and type 2. FimP, which is the fimbrial protein that is polymerized into the stalk of the type 1 fimbriae, was cloned, overexpressed and crystallized. X‐ray data were collected and processed to 2.2 Å resolution. The crystals belonged to space group P21212, with one molecule in the asymmetric unit. To facilitate structure determination using single anomalous dispersion, three methionines were introduced by site‐directed mutagenesis. Crystals of selenomethionine‐labelled protein were obtained by streak‐seeding and diffracted to 2.0 Å resolution. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Acta Crystallographica Section F Wiley

Crystallization of the fimbrial protein FimP from Actinomyces oris and of a triple Ile‐to‐Met mutant engineered to facilitate selenomethionine labelling

Acta Crystallographica Section F , Volume 67 (10) – Oct 1, 2011

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References (15)

Publisher
Wiley
Copyright
International Union of Crystallography, 2011
ISSN
1744-3091
eISSN
1744-3091
DOI
10.1107/S1744309111025929
pmid
22102028
Publisher site
See Article on Publisher Site

Abstract

Actinomyces oris is an oral bacterium important for the development of dental plaque. It expresses two forms of fimbriae: type 1 and type 2. FimP, which is the fimbrial protein that is polymerized into the stalk of the type 1 fimbriae, was cloned, overexpressed and crystallized. X‐ray data were collected and processed to 2.2 Å resolution. The crystals belonged to space group P21212, with one molecule in the asymmetric unit. To facilitate structure determination using single anomalous dispersion, three methionines were introduced by site‐directed mutagenesis. Crystals of selenomethionine‐labelled protein were obtained by streak‐seeding and diffracted to 2.0 Å resolution.

Journal

Acta Crystallographica Section FWiley

Published: Oct 1, 2011

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