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Biochem Biophys Res Commun. 1988 Oct 14;156(1):246-54.

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

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Department of Biochemistry, Miyazaki Medical College, Japan.


Yeast Saccharomyces cerevisiae KEX2 gene previously isolated, was characterized as the gene encoding a calcium-dependent endopeptidase required for processing of precursors of alpha-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.

[Indexed for MEDLINE]

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