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9.B.225. The Mannosyl Transferase (MptB) Family 

The MtpB (formerly the DUF2029) family consists of many proteins which are sometimes annotated as DUF2029 or as mannosyltransferases. MtpB of Corynebacterium glutamicum has been characterized (Rainczuk et al. 2012). These proteins show weak similarity with members of the glycosyltransferase (GT39) family (TC# 9.B.142).  These two families may be related. It is not known if these transferases transport their carbohydrate substrates across the membrane.

References associated with 9.B.225 family:

Rainczuk, A.K., Y. Yamaryo-Botte, R. Brammananth, T.P. Stinear, T. Seemann, R.L. Coppel, M.J. McConville, and P.K. Crellin. (2012). The lipoprotein LpqW is essential for the mannosylation of periplasmic glycolipids in Corynebacteria. J. Biol. Chem. 287: 42726-42738. 23091062