This family consists of several alpha-2,3-sialyltransferase (CST-I) proteins largely found in Campylobacter jejuni.

1: Biosynthesis of ganglioside mimics in Campylobacter jejuni OH4384. Identification of the glycosyltransferase genes, enzymatic synthesis of model compounds, and characterization of nanomole amounts by 600-mhz (1)h and (13)c NMR analysis. Gilbert M, Brisson JR, Karwaski MF, Michniewicz J, Cunningham AM, Wu Y, Young NM, Wakarchuk WW; J Biol Chem 2000;275:3896-3906. PMID:10660542