label: alpha-D-galactosyl-di-trans,octa-cis-undecaprenyl diphosphate + dTDP-beta-L-rhamnose <=> alpha-L-rhamnosyl-(1->3)-alpha-D-galactosyl-1-diphospho-di-trans,octa-cis-undecaprenol + dTDP + H(+)
label_lc: alpha-d-galactosyl-di-trans,octa-cis-undecaprenyl diphosphate + dtdp-beta-l-rhamnose <=> alpha-l-rhamnosyl-(1->3)-alpha-d-galactosyl-1-diphospho-di-trans,octa-cis-undecaprenol + dtdp + h(+)