preferred_name: Active LTK recruits GRB2:SOS1 (Xenopus tropicalis)
preferred_name_lc: active ltk recruits grb2:sos1 (xenopus tropicalis)
label: Active LTK recruits GRB2:SOS1 (Xenopus tropicalis)
label_lc: active ltk recruits grb2:sos1 (xenopus tropicalis)