ID 2.4.1.304 DE UDP-Gal:alpha-D-GlcNAc-diphosphoundecaprenol beta-1,4- DE galactosyltransferase. CA N-acetyl-alpha-D-glucosaminyl-di-trans,octa-cis-undecaprenyl diphosphate CA + UDP-alpha-D-galactose = beta-D-Gal-(1->4)-alpha-D-GlcNAc-di-trans,octa- CA cis-undecaprenyl diphosphate + H(+) + UDP. CC -!- The enzyme is involved in the the biosynthesis of the CC O-polysaccharide repeating unit of the bacterium Shigella boydii B14. DR B5L3X1, WFED_SHIBO ; //