ID 2.4.1.306 DE UDP-GalNAc:alpha-D-GalNAc-diphosphoundecaprenol alpha-1,3-N- DE acetylgalactosaminyltransferase. CA N-acetyl-alpha-D-galactosaminyl-di-trans,octa-cis-undecaprenyl CA diphosphate + UDP-N-acetyl-alpha-D-galactosamine = alpha-D-GalNAc-(1->3)- CA alpha-D-GalNAc-di-trans,octa-cis-undecaprenyl diphosphate + H(+) + UDP. CC -!- The enzyme is involved in the the biosynthesis of the CC O-polysaccharide repeating unit of Escherichia coli serotype O86. DR P0DMP7, WBIN_ECOLX ; P0DMP6, WBNH_ECOLX ; //