Alpha casein micelles show not only molecular chaperone-like aggregation inhibition properties but also protein refolding activity from the denatured state

Masafumi Sakono, Konomi Motomura, Tatsuo Maruyama, Noriho Kamiya, Masahiro Goto

研究成果: Contribution to journalArticle査読

8 被引用数 (Scopus)

抄録

Casein micelles are a major component of milk proteins. It is well known that casein micelles show chaperone-like activity such as inhibition of protein aggregation and stabilization of proteins. In this study, it was revealed that casein micelles also possess a high refolding activity for denatured proteins. A buffer containing caseins exhibited higher refolding activity for denatured bovine carbonic anhydrase than buffers including other proteins. In particular, a buffer containing α-casein showed about a twofold higher refolding activity compared with absence of α-casein. Casein properties of surface hydrophobicity, a flexible structure and assembly formation are thought to contribute to this high refolding activity. Our results indicate that casein micelles stabilize milk proteins by both chaperone-like activity and refolding properties.

本文言語英語
ページ(範囲)494-497
ページ数4
ジャーナルBiochemical and Biophysical Research Communications
404
1
DOI
出版ステータス出版済み - 1 7 2011

All Science Journal Classification (ASJC) codes

  • Biophysics
  • Biochemistry
  • Molecular Biology
  • Cell Biology

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