Beta-1,3-N-acetylglucosaminyltransferase that synthesizes the core 3 structure of the O-glycan, an important precursor in the biosynthesis of mucin-type glycoproteins. Plays an important role in the synthesis of mucin-type O-glycans in digestive organs.
Golgi apparatus membrane ; Single-pass type II membrane protein .
Present in stomach and colon (at protein level). Restricted in the stomach, colon and small intestine, where core 3 structure is present.
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