preferred_name: P-selectin binds P-selectin ligand (Rattus norvegicus)
preferred_name_lc: p-selectin binds p-selectin ligand (rattus norvegicus)
label: P-selectin binds P-selectin ligand (Rattus norvegicus)
label_lc: p-selectin binds p-selectin ligand (rattus norvegicus)