preferred_name: a 3-O-{beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->6)-[beta-D-Gal-(1->3)]-alpha-D-GalNAc}-L-threonyl-[protein] + CMP-N-acetyl-beta-neuraminate <=> a 3-O-{alpha-Neu5Ac-(2->3)-beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->6)-[beta-D-Gal-(1->3)]-alpha-D-GalNAc}-L-threonyl-[protein] + CMP + H(+)
preferred_name_lc: a 3-o-{beta-d-gal-(1->4)-beta-d-glcnac-(1->6)-[beta-d-gal-(1->3)]-alpha-d-galnac}-l-threonyl-[protein] + cmp-n-acetyl-beta-neuraminate <=> a 3-o-{alpha-neu5ac-(2->3)-beta-d-gal-(1->4)-beta-d-glcnac-(1->6)-[beta-d-gal-(1->3)]-alpha-d-galnac}-l-threonyl-[protein] + cmp + h(+)
label: a 3-O-{beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->6)-[beta-D-Gal-(1->3)]-alpha-D-GalNAc}-L-threonyl-[protein] + CMP-N-acetyl-beta-neuraminate <=> a 3-O-{alpha-Neu5Ac-(2->3)-beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->6)-[beta-D-Gal-(1->3)]-alpha-D-GalNAc}-L-threonyl-[protein] + CMP + H(+)
label_lc: a 3-o-{beta-d-gal-(1->4)-beta-d-glcnac-(1->6)-[beta-d-gal-(1->3)]-alpha-d-galnac}-l-threonyl-[protein] + cmp-n-acetyl-beta-neuraminate <=> a 3-o-{alpha-neu5ac-(2->3)-beta-d-gal-(1->4)-beta-d-glcnac-(1->6)-[beta-d-gal-(1->3)]-alpha-d-galnac}-l-threonyl-[protein] + cmp + h(+)