preferred_name: Crk binds to the active PDGF receptor (Xenopus tropicalis)
preferred_name_lc: crk binds to the active pdgf receptor (xenopus tropicalis)
label: Crk binds to the active PDGF receptor (Xenopus tropicalis)
label_lc: crk binds to the active pdgf receptor (xenopus tropicalis)