Term Name:	methionine adenosyltransferase complex
Synonyms:	MAT complex
Definition:	A multimeric enzyme complex composed of variable numbers of catalytic alpha subunits, and noncatalytic beta subunits. The beta subunits are believed to have a regulatory function. The enzyme complex catalyzes the synthesis of S-adenosylmethionine (AdoMet), which is the major methyl group donor, participating in the methylation of proteins, DNA, RNA, phospholipids, and other small molecules.
Ontology:	GO: Cellular Component [GO:0048269]    QuickGO    AmiGO