preferred_name: Crk binds to the active PDGF receptor (Rattus norvegicus)
preferred_name_lc: crk binds to the active pdgf receptor (rattus norvegicus)
label: Crk binds to the active PDGF receptor (Rattus norvegicus)
label_lc: crk binds to the active pdgf receptor (rattus norvegicus)