PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 6617745-1 1983 NCA, the chloro analog of the potent dopamine agonist NPA is an irreversible ligand at dopamine receptors in mammalian brain. alpha-naphthylphthalamic acid 54-57 CEA cell adhesion molecule 6 Homo sapiens 0-3