preferred_name: The keratan chain can be capped by N-acetylneuraminic acid (Xenopus tropicalis)
preferred_name_lc: the keratan chain can be capped by n-acetylneuraminic acid (xenopus tropicalis)
label: The keratan chain can be capped by N-acetylneuraminic acid (Xenopus tropicalis)
label_lc: the keratan chain can be capped by n-acetylneuraminic acid (xenopus tropicalis)