ID 2.4.1.383 DE GDP-Man:alpha-L-Rha-(1->3)-alpha-D-Gal-PP-Und beta-1,4- DE mannosyltransferase. CA alpha-L-rhamnosyl-(1->3)-alpha-D-galactosyl-1-diphospho-di-trans,octa- CA cis-undecaprenol + GDP-alpha-D-mannose = beta-D-Man-(1->4)-alpha-L-Rha- CA (1->3)-alpha-D-Gal-diphospho-di-trans,octa-cis-undecaprenol + GDP + H(+). CC -!- The enzyme participates in the biosynthesis of the O antigens CC produced by group E and D2 strains of the pathogenic bacterium CC Salmonella enterica. //