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ST6GALNAC4

The protein encoded by this gene is a type II membrane protein that catalyzes the transfer of sialic acid from CMP-sialic acid to galactose-containing substrates. The encoded protein prefers glycoproteins rather than glycolipids as substrates and shows restricted substrate specificity, utilizing only the trisaccharide sequence Neu5Ac-alpha-2,3-Gal-beta-1,3-GalNAc. In addition, it is involved in the synthesis of ganglioside GD1A from GM1B. The encoded protein is normally found in the Golgi apparatus but can be proteolytically processed to a soluble form. This protein is a member of glycosyltransferase family 29. Transcript variants encoding different isoforms have been found for this gene.
Protein class

Enzymes, Metabolic proteins

Predicted location

Intracellular, Membrane (different isoforms)

Single cell type specificity

Cell type enhanced (Erythroid cells, Plasma cells, Enteroendocrine cells)

Immune cell specificity

Immune cell enriched (plasmacytoid DC)

Cell line specificity

Cell line enhanced (HDLM-2, RPMI-8226)

Molecular function

Glycosyltransferase, Transferase

More Types Infomation

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For Research Use Only. Not For Clinical Use.

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