Catalyzes the initial reaction in O-linked oligosaccharide biosynthesis, the transfer of an N-acetyl-D-galactosamine residue to a serine or threonine residue on the protein receptor. Has activity toward HIV envelope glycoprotein gp120, EA2, Muc2 and Muc5. Glycosylates FGF23 (By similarity). Probably glycosylates fibronectin in vivo. May be involved in phosphate homeostasis.

Belongs to the glycosyltransferase 2 family. GalNAc-T subfamily.

633 amino acids

MAHLKRLVKLHIKRHYHRKFWKLGAVIFFFLVVLILMQREVSVQYSKEESKMERNLKNKNKMLDFMLEAVNNIKDAMPKMQIGAPIKENIDVRERPCLQGYYTAAELKPVFDRPPQDSNAPGASGKPFKITHLSPEEQKEKERGETKHCFNAFASDRISLHRDLGPDTRPPECIEQKFKRCPPLPTTSVIIVFHNEAWSTLLRTVHSVLYSSPAILLKEIILVDDASVDDYLHEKLEEYIKQFSIVKIVRQQERKGLITARLLGAAVATAETLTFLDAHCECFYGWLEPLLARIAENYTAVVSPDIASIDLNTFEFNKPSPYGSNHNRGNFDWSLSFGWESLPDHEKQRRKDETYPIKTPTFAGGLFSISKKYFEHIGSYDEEMEIWGGENIEMSFRVWQCGGQLEIMPCSVVGHVFRSKSPHTFPKGTQVIARNQVRLAEVWMDEYKEIFYRRNTDAAKIVKQKSFGDLSKRFEIKKRLQCKNFTWYLNTIYPEAYVPDLNPVISGYIKSVGQPLCLDVGENNQGGKPLILYTCHGLGGNQYFEYSAQREIRHNIQKELCLHATQGVVQLKACVYKGHRTIAPGEQIWEIRKDQLLYNPLFKMCLSSNGEHPNLVPCDATDLLQKWIFSQND

72.9 kDa

(Note: Representative image - actual molecular weight may vary depending on tag type and expression method)

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