The thermostability of DNA-binding protein HU from bacilli

Keith S. Wilson, Constantin E. Vorgias, Isao Tanaka, Stephen W. White, Makoto Kimura

研究成果: Contribution to journalArticle査読

41 被引用数 (Scopus)

抄録

The primary and tertiary structures of DNA-binding protein HU from Bacillus stearothermophilus are already known. The primary structure has been previously determined for HU from the closely related B.globigii and the determinations of the sequences from B.caldolyticus and B.subtilis are described here. These bacteria have optimum growth temperatures of > 70°C (B.caldolyticus), 65°C (B.stearothermophilus), 37°C (B.subtilis) and 30°C (B.globigii). in vitro measurements from circular dichroic spectra described here give Tmvalues reflecting these growth temperatures, of 68, 64, 43 and 41°C respectively. We discuss here the relative thermostability of the four proteins in terms of the amino acid differences between the sequences and the three-dimensional model of the B.stearothermophilus HU. The current model for the interaction of the protein with DNA is only discussed in terms of its relevance with regard to thermostability.

本文言語英語
ページ(範囲)11-22
ページ数12
ジャーナルProtein Engineering, Design and Selection
4
1
DOI
出版ステータス出版済み - 10 1990

All Science Journal Classification (ASJC) codes

  • バイオテクノロジー
  • バイオエンジニアリング
  • 生化学
  • 分子生物学

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