PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 7909929-3 1994 In an attempt to understand the effect of NPY on TH activities, an in vitro assay is carried out using chromatographic analysis of 3,4-dihydroxyphenylalanine (DOPA) formation from tyrosine. Tyrosine 180-188 neuropeptide Y Rattus norvegicus 42-45