beta-D-Gal-(1->3)-beta-D-Gal-(1->4)-beta-D-Xyl-yl group
beta-d-gal-(1->3)-beta-d-gal-(1->4)-beta-d-xyl-yl group
A linear trisaccharide glycosyl group consisting of two galactosyl residues linked to a xylosyl residue at the reducing end.