Two-dimensional analysis of proteins specific to the bacterial magnetic particle membrane from Magnetospirillum sp. AMB-1

Yoshiko Okamura, Haruko Takeyama, Tadashi Matsunaga

Research output: Contribution to journalArticlepeer-review

40 Citations (Scopus)

Abstract

We report the identification of five proteins expressed specifically on the bacterial magnetic particle (BMP) membrane of Magnetospirillum sp. AMB-1. These proteins are major components of the BMP membrane. The molecular weights were determined to be 12.0, 16.0, 24.8, 35.6, and 66.2 kDa by sodium dodecyl sulfate polyacrylamide gel electrophoresis. Of these five, the 16.0- kDa protein was the most abundant in the BMP membrane. Furthermore, the 16.0- kDa protein consisted of two components each of differing pI. The 35.6-kDa protein was the second most abundant protein of the five detected.

Original languageEnglish
Pages (from-to)441-446
Number of pages6
JournalApplied Biochemistry and Biotechnology - Part A Enzyme Engineering and Biotechnology
Volume84-86
DOIs
Publication statusPublished - 2000 Jan 1
Externally publishedYes

Keywords

  • Bacterial magnetic particle
  • Bacterial magnetic particle-specific protein
  • Magnetic bacteria

ASJC Scopus subject areas

  • Biotechnology
  • Bioengineering
  • Biochemistry
  • Applied Microbiology and Biotechnology
  • Molecular Biology

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