ID 2.4.1.377 DE dTDP-Rha:alpha-D-Gal-diphosphoundecaprenol alpha-1,3- DE rhamnosyltransferase. CA alpha-D-galactosyl-di-trans,octa-cis-undecaprenyl diphosphate + dTDP- CA beta-L-rhamnose = alpha-L-rhamnosyl-(1->3)-alpha-D-galactosyl-1- CA diphospho-di-trans,octa-cis-undecaprenol + dTDP + H(+). CC -!- The enzyme, characterized from several Salmonella strains, CC participates in the biosynthesis of the repeat unit of O antigens CC produced by strains that belong to the A, B, D and E groups. DR P26403, RFBN_SALTY ; Q54129, WBAN_SALAN ; //