PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 15743210-0 2005 Major effect of pyrrolic N-benzylation in norbinaltorphimine, the selective kappa-opioid receptor antagonist. norbinaltorphimine 42-60 opioid receptor kappa 1 Homo sapiens 76-97 15743210-2 2005 Similar modification of the kappa-opioid receptor (KOR) antagonist norBNI (1a) and its 17,17"-diNMe analogue (1d), a low potency mu-opioid receptor (MOR) partial agonist, was found to affect predominantly their MOR activity. norbinaltorphimine 67-73 opioid receptor kappa 1 Homo sapiens 51-54