Reaction: Addition of GlcNAc to Core 3 forms a Core 4 glycoprotein
- in pathway: O-linked glycosylation of mucins
The glycosyltransferase GCNT3 mediates core 2 and core 4 O-glycan branching (Yeh et al, 1999; Schwientek et al, 1999).
Reaction - small molecule participants:
UDP [Golgi lumen]
UDP-GlcNAc [Golgi lumen]
Reactome.org reaction link: R-HSA-914018
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Reaction input - small molecules:
UDP-N-acetyl-alpha-D-glucosamine(2-)
Reaction output - small molecules:
UDP(3-)
Reactome.org link: R-HSA-914018