B3GNT5 transfers GlcNAc to LacCer
LacCer-d18 + UDP-GlcNAc → Lc3Cer + UDP + H+
- Reactome
- R-HSA-9846501
- Compartment
- Golgi lumen · Golgi membrane
- Rhea
- RHEA:13905
Inputs
- LacCer-d18CHEBI:17950, C31H56NO13R, Golgi membrane
- UDP-GlcNAcCHEBI:57705, C17H25N3O17P2, Golgi lumen
Outputs
- Lc3CerCHEBI:17103, C39H69N2O18R, Golgi membrane
- UDPCHEBI:58223, C9H11N2O12P2, Golgi lumen
- H+CHEBI:15378, H, Golgi lumen
Catalysed by
- lactosylceramide 1,3-N-acetyl-beta-D-glucosaminyltransferase activity of B3GNT5 [Golgi membrane]EC 2.4.1.206; UniProt Q9BYG0
Literature
- Molecular cloning and characterization of UDP-GlcNAc:lactosylceramide beta 1,3-N-acetylglucosaminyltransferase (beta 3Gn-T5), an essential enzyme for the expression of HNK-1 and Lewis X epitopes on glycolipids J Biol Chem, 2001
- Lack of lacto/neolacto-glycolipids enhances the formation of glycolipid-enriched microdomains, facilitating B cell activation Proc Natl Acad Sci U S A, 2010