Gene Ontology Help

NatB N-alpha-acetyltransferase 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
N(alpha)-acetyltransferases, NatA (CPX-783), NatB and NatC (CPX-781), carry out N-terminal acetylation, the covalent attachment of an acetyl group (CH3CO) to the free alpha-amino group (NH3+) at the N-terminal end of a polypeptide, one of the most common co-translational modifications. This changes the electrostatic properties of proteins and therefore protein function, stability and localization. NatB is responsible for the acetylation of methionine-acidic/hydrophilic N-termini (Met-Asp-, Met-Asn-, Met-Glu-, and Met-Gln-).
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.

acyltransferase activity, transferase activity, protein acylation, protein maturation