Isolation and characterization of KIUBP2, a ubiquitin hydrolase gene of Kluyveromyces lactis that can suppress a ts-mutation in CBF2, a gene encoding a centromeric protein of Saccharomyces cerevisiae.

Abstract excerpt

The Kluyveromyces lactis UBP2 gene was isolated as a suppressor of a temperature-sensitive mutation in CBF2, a gene coding for a centromere-binding protein of Saccharomyces cerevisiae. The UBP genes are hydrolases than can cleave a ubiquitin moiety from a protein substrate. KlUBP2 is not essential for growth since a disruption of the KlUBP2 gene had little effect, except for a slight decrease in the growth rate....

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