preferred_name: NDUF subunits bind to form the IP subcomplex (Xenopus tropicalis)
preferred_name_lc: nduf subunits bind to form the ip subcomplex (xenopus tropicalis)
label: NDUF subunits bind to form the IP subcomplex (Xenopus tropicalis)
label_lc: nduf subunits bind to form the ip subcomplex (xenopus tropicalis)