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Mitochondrial inner membrane peptidase complex Overview

GO Annotations consist of four mandatory components: a gene product, a term from one of the three Gene Ontology (GO) controlled vocabularies (Molecular Function, Biological Process, and Cellular Component), a reference, and an evidence code.


Summary
Processes certain precursor proteins that are exported from the matrix into the inner membrane or the intermembrane space. The two IMP subunits are associated with the inner membrane, and their catalytic sites are exposed to the intermembrane space. The IMP1 and IMP2 proteins both display proteolytic activity and have non-overlapping substrate specificities. IMP1 has been shown to catalyse the maturation of cytochrome oxidase subunit 2, cytochrome b2 and the 32-kDa form of NADH-dependent cytochrome b5 reductase, while IMP2 participates in the second processing step during the maturation of cytochrome c1. SOM1 appears to functions as a molecular chaperone, which binds to specific substrates and directs them to the catalytic site.
GO Slim Terms

The yeast GO Slim terms are higher level terms that best represent the major S. cerevisiae biological processes, functions, and cellular components. The GO Slim terms listed here are the broader parent terms for the specific terms to which this gene product is annotated, and thus represent the more general processes, functions, and components in which it is involved.

hydrolase activity, peptidase activity, protein maturation, membrane