PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 12815037-6 2003 The agonist-induced increase in KOR-P labeling was dose-dependent, blocked by co-treatment with the kappa antagonist norbinaltorphimine, and prevented by co-expression of the dominant negative form of the G-protein receptor kinase, GRK2(K220R). norbinaltorphimine 117-135 opioid receptor kappa 1 Homo sapiens 32-35