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The multifaceted proprotein convertases: their unique, redundant, complementary, and opposite functions. | LitMetric

The multifaceted proprotein convertases: their unique, redundant, complementary, and opposite functions.

J Biol Chem

Laboratory of Biochemical Neuroendocrinology, Clinical Research Institute of Montreal (IRCM, affiliated with the University of Montreal), Montreal, Quebec H2W 1R7, Canada.

Published: July 2013

AI Article Synopsis

Article Abstract

The secretory proprotein convertase (PC) family comprises nine members: PC1/3, PC2, furin, PC4, PC5/6, PACE4, PC7, SKI-1/S1P, and PCSK9. The first seven PCs cleave their substrates at single or paired basic residues, and SKI-1/S1P cleaves its substrates at non-basic residues in the Golgi. PCSK9 cleaves itself once, and the secreted inactive protease escorts specific receptors for lysosomal degradation. It regulates the levels of circulating LDL cholesterol and is considered a major therapeutic target in phase III clinical trials. In vivo, PCs exhibit unique and often essential functions during development and/or in adulthood, but certain convertases also exhibit complementary, redundant, or opposite functions.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3724608PMC
http://dx.doi.org/10.1074/jbc.R113.481549DOI Listing

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