ID 2.4.1.309 DE UDP-Gal:alpha-L-Fuc-1,2-beta-Gal-1,3-alpha-GalNAc-1,3-alpha-GalNAc- DE diphosphoundecaprenol alpha-1,3-galactosyltransferase. CA alpha-L-Fuc-(1->2)-beta-D-Gal-(1->3)-alpha-D-GalNAc-(1->3)-alpha-D- CA GalNAc-di-trans,octa-cis-undecaprenyl diphosphate + UDP-alpha-D-galactose CA = alpha-L-Fuc-(1->2)-[alpha-D-Gal-(1->3)]-beta-D-Gal-(1->3)-alpha-D- CA GalNAc-(1->3)-alpha-D-GalNAc-di-trans,octa-cis-undecaprenyl diphosphate + CA H(+) + UDP. CC -!- The enzyme is involved in the the biosynthesis of the CC O-polysaccharide repeating unit of the bacterium Escherichia coli CC serotype O86. DR Q5JBG6, WBNI_ECOLX ; //