Alpha-N-acetylgalactosaminide alpha-2,6-sialyltransferase 1 (St6galnac1)

Transfers CMP-NeuAc with an alpha-2,6-linkage to the GalNAc residues of GalNAc-O-Ser/Thr, Gal-beta-1,3-GalNAc-O-Ser/Thr and NeuAc-alpha-2,3-Gal-beta-1,3-GalNAc-O-Ser/Thr are substrates.

Higher activity towards GalNAc-O-Ser/Thr.

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