Predicted to enable alpha-1,6-mannosylglycoprotein 6-beta-N-acetylglucosaminyltransferase activity and manganese ion binding activity. Predicted to be involved in protein N-linked glycosylation and protein O-linked glycosylation via serine. Predicted to be located in Golgi membrane. Predicted to be integral component of membrane. Predicted to be active in Golgi apparatus. Orthologous to human MGAT5B (alpha-1,6-mannosylglycoprotein 6-beta-N-acetylglucosaminyltransferase B). [provided by Alliance of Genome Resources, Apr 2022]