preferred_name: LDL + LDLR => LDL:LDLR complex (Rattus norvegicus)
preferred_name_lc: ldl + ldlr => ldl:ldlr complex (rattus norvegicus)
label: LDL + LDLR => LDL:LDLR complex (Rattus norvegicus)
label_lc: ldl + ldlr => ldl:ldlr complex (rattus norvegicus)