N(4)-{alpha-Neu5Ac-(2->6)-beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->2)-alpha-D-Man-(1->3)-[beta-D-GlcNAc-(1->4)]-[beta-D-GlcNAc-(1->2)-alpha-D-Man-(1->6)]-beta-D-Man-(1->4)-beta-D-GlcNAc-(1->4)-beta-D-GlcNAc}-L-Asn(1-)   residue
n(4)-{alpha-neu5ac-(2->6)-beta-d-gal-(1->4)-beta-d-glcnac-(1->2)-alpha-d-man-(1->3)-[beta-d-glcnac-(1->4)]-[beta-d-glcnac-(1->2)-alpha-d-man-(1->6)]-beta-d-man-(1->4)-beta-d-glcnac-(1->4)-beta-d-glcnac}-l-asn(1-)   residue
An α-amino-acid residue anion obtained by deprotonation of the carboxy group of <em>N</em><small><sup>4</small></sup>-{α-Neu5Ac-(2→6)-β-<small>D</small>-Gal-(1→4)-β-<small>D</small>-GlcNAc-(1→2)-α-<small>D</small>-Man-(1→3)-[β-β-<small>D</small>-GlcNAc-(1→4)]-[<small>D</small>-GlcNAc-(1→2)-α-<small>D</small>-Man-(1→6)]-β-<small>D</small>-Man-(1→4)-β-<small>D</small>-GlcNAc-(1→4)-β-<small>D</small>-GlcNAc}-<small>L</small>-Asn; major species at pH 7.3.