Members of this family of prokaryotic proteins include putative glucosyltransferases, which are involved in bacterial capsule biosynthesis [1][2].

1: Characterization of the gene cassette required for biosynthesis of the (alpha1-->6)-linked N-acetyl-D-mannosamine-1-phosphate capsule of serogroup A Neisseria meningitidis. Swartley JS, Liu LJ, Miller YK, Martin LE, Edupuganti S, Stephens DS; J Bacteriol. 1998;180:1533-1539. PMID:9515923

2: Novel Aeromonas hydrophila PPD134/91 genes involved in O-antigen and capsule biosynthesis. Zhang YL, Arakawa E, Leung KY; Infect Immun. 2002;70:2326-2335. PMID:11953367