Isolation of Rabbit liver heat shock protein with molecular weight 90 kD (Hsp90) and its interaction with troponin components and calponin

YuShu Ma, Natalia Bogatcheva, N. B. Gusev

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Using a modified method consisting of chromatography on phenyl-Sepharose, Q-Sepharose, and hydroxyapatite, we isolated a highly purified heat shock protein with molecular weight 90 kD (Hsp90) from rabbit liver. The isolated protein was recognized on immunoblot by commercially available monoclonal antiHsp90 antibodies. The Chromatographie properties, interaction with actin and calmodulin, phosphorylation in the presence of Mg-ATP, and one-dimensional peptide maps of rabbit liver Hsp90 are similar to the corresponding properties of Hsp90 isolated from other sources. In the presence of soluble carbodiimide and N-hydroxysuccinimide, rabbit liver Hsp90 can be cross-linked with calmodulin, troponin C, troponin I, and calponin. The data obtained indicate that Hsp90 may participate in the assembly of regulatory proteins of the actin filament.

Original languageEnglish (US)
Pages (from-to)1282-1289
Number of pages8
JournalBiochemistry (Moscow)
Volume63
Issue number11
StatePublished - 1998
Externally publishedYes

Fingerprint

Troponin
Heat-Shock Proteins
Liver
Molecular Weight
Molecular weight
Calmodulin
Rabbits
Actins
Troponin C
Carbodiimides
Phosphorylation
Troponin I
Durapatite
Chromatography
Actin Cytoskeleton
Sepharose
Proteins
Adenosine Triphosphate
Monoclonal Antibodies
Peptides

Keywords

  • Calponin
  • Heat shock protein
  • Troponin components

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)
  • Biochemistry

Cite this

Isolation of Rabbit liver heat shock protein with molecular weight 90 kD (Hsp90) and its interaction with troponin components and calponin. / Ma, YuShu; Bogatcheva, Natalia; Gusev, N. B.

In: Biochemistry (Moscow), Vol. 63, No. 11, 1998, p. 1282-1289.

Research output: Contribution to journalArticle

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