Article
Characterization of a mutation that results in independence of oxidosqualene cyclase (Erg7) activity from the downstream 3-ketoreductase (Erg27) in the yeast ergosterol biosynthetic pathway.
Biochimica et biophysica acta - 1 Feb 2013
Layer Jacob V, Barnes Brett M, Yamasaki Yuji, Barbuch Robert, Li Liangtao, Taramino Silvia, Balliano Gianni, Bard Martin
Abstract excerpt
In yeast, deletion of ERG27, which encodes the sterol biosynthetic enzyme, 3-keto-reductase, results in a concomitant loss of the upstream enzyme, Erg7p, an oxidosqualene cyclase (OSC). However, this phenomenon occurs only in fungi, as mammalian Erg27p orthologues are unable to rescue yeast Erg7p activity. In this study, an erg27 mutant containing the mouse ERG27 orthologue was isolated that was capable of...
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