preferred_name: apoTF binds 2Fe3+ to form holoTF (Xenopus tropicalis)
preferred_name_lc: apotf binds 2fe3+ to form holotf (xenopus tropicalis)
label: apoTF binds 2Fe3+ to form holoTF (Xenopus tropicalis)
label_lc: apotf binds 2fe3+ to form holotf (xenopus tropicalis)