3-O-{alpha-Neu5Ac-(2->3)-beta-D-Gal-(1->4)-[alpha-L-Fuc-(1->3)]-beta-D-GlcNAc-(1->6)-[beta-D-Gal-(1->3)]-alpha-D-GalNAc}-L-threonine(1-) residue
3-o-{alpha-neu5ac-(2->3)-beta-d-gal-(1->4)-[alpha-l-fuc-(1->3)]-beta-d-glcnac-(1->6)-[beta-d-gal-(1->3)]-alpha-d-galnac}-l-threonine(1-) residue
An <small>L</small>-α amino acid residue obtained by deprotonation of the carboxy group of 3-<em>O</em>-{α-Neu5Ac-(2→3)-β-<small>D</small>-Gal-(1→4)-[α-<small>L</small>-Fuc-(1→3)]-β-<small>D</small>-GlcNAc-(1→6)-[β-<small>D</small>-Gal-(1→3)]-α-<small>D</small>-GalNAc}-<small>L</small>-threonine residue; major species at pH 7.3.