preferred_name: RRAGC,D exchanges GTP for GDP (Xenopus tropicalis)
preferred_name_lc: rragc,d exchanges gtp for gdp (xenopus tropicalis)
label: RRAGC,D exchanges GTP for GDP (Xenopus tropicalis)
label_lc: rragc,d exchanges gtp for gdp (xenopus tropicalis)