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Cloning, expression, crystallization and preliminary X-ray characterization of cytochrome c552 from a moderate thermophilic bacterium, Hydrogenophilus thermoluteolus.


ABSTRACT: The amino-acid sequence of cytochrome c552 (PH c552) from a moderately thermophilic bacterium, Hydrogenophilus thermoluteolus, was more than 50% identical to that of cytochrome c from an extreme thermophile, Hydrogenobacter thermophilus (HT c552), and from a mesophile, Pseudomonas aeruginosa (PA c551). The PH c552 gene was overexpressed as a correctly processed holoprotein in the Escherichia coli periplasm. The overexpressed PH c552 has been crystallized by vapour diffusion from polyethylene glycol 4000 pH 6.5. The crystals belong to space group C222(1), with unit-cell parameters a = 48.98, b = 57.99, c = 56.20 A. The crystals diffract X-rays to around 2.1 A resolution.

SUBMITTER: Ichiki S 

PROVIDER: S-EPMC1952422 | biostudies-literature | 2005 Apr

REPOSITORIES: biostudies-literature

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Cloning, expression, crystallization and preliminary X-ray characterization of cytochrome c552 from a moderate thermophilic bacterium, Hydrogenophilus thermoluteolus.

Ichiki Shin-ichi S   Nakamura Shota S   Ohkubo Tadayasu T   Kobayashi Yuji Y   Hasegawa Jun J   Uchiyama Susumu S   Nishihara Hirofumi H   Mizuta Keiko K   Sambongi Yoshihiro Y  

Acta crystallographica. Section F, Structural biology and crystallization communications 20050324 Pt 4


The amino-acid sequence of cytochrome c552 (PH c552) from a moderately thermophilic bacterium, Hydrogenophilus thermoluteolus, was more than 50% identical to that of cytochrome c from an extreme thermophile, Hydrogenobacter thermophilus (HT c552), and from a mesophile, Pseudomonas aeruginosa (PA c551). The PH c552 gene was overexpressed as a correctly processed holoprotein in the Escherichia coli periplasm. The overexpressed PH c552 has been crystallized by vapour diffusion from polyethylene gly  ...[more]

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