Protein Domain : Alpha-2,3-sialyltransferase IPR009251

Type  Family
Description  This entry represents several alpha-2,3-sialyltransferase ( ) proteins, most of which are found in the food-borne pathogen Campylobacter jejuni. Sialyltransferases transfer a sialic acid moiety from cytidine-5'-monophospho-N-acetyl-neuraminic acid (CMP-NeuAc) to terminal positions of various key glycoconjugates, which play critical roles in cell recognition and adherence [ ]. The structure of Cst-II alpha-2,3-sialyltransferase from C. jejuni consists of a 3-layer alpha/beta/alpha topology. Cst-II catalytic mechanism involves an essential histidine (general base) and two tyrosine residues (coordination of the phosphate leaving group) to carry out substrate binding and glycosyl transfer.
Short Name  A-2_3-sialyltransferase

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