Protein
CMP-N-acetylneuraminate-beta-galactosamide-alpha-2,3-sialyltransferase 2
Organism
Rattus norvegicus
Function
Responsible for the synthesis of the sequence NeuAc-alpha-2,3-Gal-beta-1,3-GalNAc- found in terminal carbohydrate groups of certain glycoproteins, oligosaccharides and glycolipids. SIAT4A and SIAT4B sialylate the same acceptor substrates but exhibit different Km values.
Similarity
Belongs to the glycosyltransferase 29 family.
Sequence
MKCSLRVWFLSMAFLLVFIMSLLFTYSHHSMATLPYLDSGTLGGTHRVKLVPGYTGQQRLVKEGLSGKSCTCSRCMGDAGTSEWFDSHFDSNISPVWTRDNMNLTPDVQRWWMMLQPQFKSHNTNEVLEKLFQIVPGENPYRFRDPQQCRRCAVVGNSGNLRGSGYGQEVDSHNFIMRMNQAPTVGFEKDVGSRTTHHFMYPESAKNLPANVSFVLVPFKALDLMWIASALSTGQIRFTYAPVKSFLRVDKEKVQIYNPAFFKYIHDRWTEHHGRYPSTGMLVLFFALHVCDEVNVYGFGADSRGNWHHYWENNRYAGEFRKTGVHDADFEAHIIDILAKASKIEVYRGN