alpha-D-Gal-(1->3)-alpha-D-GlcNAc-(1->4)-D-Gal-yl group
alpha-d-gal-(1->3)-alpha-d-glcnac-(1->4)-d-gal-yl group
A galactosyl group derived from α-<small>D</small>-Gal-(1→3)-α-<small>D</small>-GlcNAc-(1→4)-<small>D</small>-Gal. The precursor oligosaccharide group for the ABO blood group system.