Automated description from the Alliance of Genome Resources (Release 4.2.0)
Enables beta-1,4-mannosylglycoprotein 4-beta-N-acetylglucosaminyltransferase activity. Acts upstream of or within several processes, including amyloid-beta metabolic process; negative regulation of lysosomal protein catabolic process; and positive regulation of protein localization to early endosome. Is expressed in several structures, including alimentary system; metanephros; and nervous system. Orthologous to human MGAT3 (beta-1,4-mannosyl-glycoprotein 4-beta-N-acetylglucosaminyltransferase).