preferred_name: RAS GEFs promote RAS nucleotide exchange (Xenopus tropicalis)
preferred_name_lc: ras gefs promote ras nucleotide exchange (xenopus tropicalis)
label: RAS GEFs promote RAS nucleotide exchange (Xenopus tropicalis)
label_lc: ras gefs promote ras nucleotide exchange (xenopus tropicalis)