Yeast KEX2 gene encodes an endopeptidase homologous to subtilisin-like serine proteases

Kensaku Mizuno, Tomoko Nakamura, Takehiro Ohshima, Shoji Tanaka, Hisayuki Matsuo

Research output: Contribution to journalArticle

173 Citations (Scopus)

Abstract

Yeast Saccharomyces cerevisiae KEX2 gene previously isolated, was characterized as the gene encoding a calcium-dependent endopeptidase required for processing of precursors of α-factor and killer toxin. In this study, we report the amino acid sequence of the KEX2 gene product deduced from nucleotide sequencing. Our results indicate that the KEX2 gene contains a 2,442-bp open reading frame encoding a polypeptide of 814 amino acids. The deduced amino acid sequence contains a region extensively homologous to the members of subtilisin-like serine protease family near the N-terminus. A putative membrane-spanning domain near the C-terminus was also detected. These facts indicate that the KEX2-encoded protein may function as a membrane-bound, subtilisin-like serine protease.

Original languageEnglish
Pages (from-to)246-254
Number of pages9
JournalBiochemical and biophysical research communications
Volume156
Issue number1
DOIs
Publication statusPublished - 1988 Oct 14
Externally publishedYes

ASJC Scopus subject areas

  • Biophysics
  • Biochemistry
  • Molecular Biology
  • Cell Biology

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