PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 8847409-2 1995 Additionally, chronic opiate administration has been shown to increase the levels of a number of G-proteins and phosphoproteins including the catecholamine synthesizing enzyme, tyrosine hydroxylase (TH). Opiate Alkaloids 22-28 tyrosine hydroxylase Rattus norvegicus 177-197