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. 1979 Jul;139(1):220–224. doi: 10.1128/jb.139.1.220-224.1979

Peptidase activities in Saccharomyces cerevisiae.

B Rose, J M Becker, F Naider
PMCID: PMC216848  PMID: 378955

Abstract

At least four distinct aminopeptidase activities and a single dipeptidase activity were found in cell extracts of a leucine-lysine auxotroph of Saccharomyces cerevisiae. The assay for peptidase activity involved polyacrylamide gel electrophoresis followed by an enzyme-coupled activity staining procedure. The aminopeptidases had largely overlapping specificities but could be distinguished from one another by their electrophoretic mobilities and activities toward different peptide substrates. Substrates tested included both free and blocked di- and tripeptides and amino acid derivatives.

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Selected References

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