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Yeast. 1994 Nov;10(11):1497-502.

UBP5 encodes a putative yeast ubiquitin-specific protease that is related to the human Tre-2 oncogene product.

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  • 1Department of Microbiology, University of Saskatchewan, Saskatoon, Canada.


A gene from chromosome V of the yeast Saccharomyces cerevisiae has been cloned and sequenced. The deduced amino acid sequence encoded by this gene is similar to several ubiquitin-specific proteases from yeast, especially at the highly conserved domain. It is thus named UBP5. UBP5 is also closely related to the human Tre-2 and the mouse Unp oncogene products. This study adds a new member to the ubiquitin protease family and suggests that alteration of ubiquitin protease activity may result in cancer in mammals. However, disruption of the UBP5 gene in a haploid strain did not result in a noticeable phenotypic alteration.

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