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Overexpression, purification, and enthalpy of unfolding of ferricytochrome c552 from a psychrophilic microorganism.

Abstract：

:The psychrophilic, hydrocarbonoclastic microorganism Colwellia psychrerythraea is important in global nutrient cycling and bioremediation. In order to investigate how this organism can live so efficiently at low temperatures (~4°C), thermal denaturation studies of a small electron transfer protein from Colwellia were performed. Colwellia cytochrome c552 was overexpressed in Escherichia coli, isolated, purified, and characterized by UV-visible absorption spectroscopy. The melting temperature (Tm) and the van't Hoff enthalpy (ΔHvH) were determined. These values suggest an unexpectedly high stability for this psychrophilic cytochrome.

journal_name

J Inorg Biochem

journal_title

Journal of inorganic biochemistry

authors

Oswald VF,Chen W,Harvilla PB,Magyar JS

doi

10.1016/j.jinorgbio.2013.11.002

subject

Has Abstract

pub_date

2014-02-01 00:00:00

pages

76-8

eissn

0162-0134

issn

1873-3344

pii

S0162-0134(13)00305-X

journal_volume

131

pub_type

杂志文章

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