PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 26869038-4 2016 Catecholamine synthesis depends on the rate-limiting enzyme, tyrosine hydroxylase, whose expression is associated with working memory and the response to chronic stress. Catecholamines 0-13 tyrosine hydroxylase Homo sapiens 61-81