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The mimivirus R355 gene product: preliminary crystallographic analysis of a putative ubiquitin‐like protein‐specific protease

The mimivirus R355 gene product: preliminary crystallographic analysis of a putative... The complete genome sequence of the largest known double‐stranded DNA virus, mimivirus, reveals the presence of a gene (denoted R355) that potentially encodes a cysteine protease that is expressed late (after 6 h) in the infectious cycle of the virus. In order to verify a sequence‐based functional prediction and understand its role during the infectious process, the R355 protein was produced to assay its proteolytic activity and solve its three‐dimensional structure. Here, the preliminary crystallographic analysis of the recombinant viral protein is reported. The crystals belonged to the orthorhombic space group P212121, with a monomer in the asymmetric unit. A MAD data set was used for preliminary phasing using the selenium signal from a selenomethionine‐substituted protein crystal. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Acta Crystallographica Section F Wiley

The mimivirus R355 gene product: preliminary crystallographic analysis of a putative ubiquitin‐like protein‐specific protease

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References (11)

Publisher
Wiley
Copyright
International Union of Crystallography, 2011
ISSN
1744-3091
eISSN
1744-3091
DOI
10.1107/S1744309110050785
pmid
21206054
Publisher site
See Article on Publisher Site

Abstract

The complete genome sequence of the largest known double‐stranded DNA virus, mimivirus, reveals the presence of a gene (denoted R355) that potentially encodes a cysteine protease that is expressed late (after 6 h) in the infectious cycle of the virus. In order to verify a sequence‐based functional prediction and understand its role during the infectious process, the R355 protein was produced to assay its proteolytic activity and solve its three‐dimensional structure. Here, the preliminary crystallographic analysis of the recombinant viral protein is reported. The crystals belonged to the orthorhombic space group P212121, with a monomer in the asymmetric unit. A MAD data set was used for preliminary phasing using the selenium signal from a selenomethionine‐substituted protein crystal.

Journal

Acta Crystallographica Section FWiley

Published: Jan 1, 2011

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