PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 3722178-1 1986 Phenylalanine hydroxylase, the enzyme that catalyzes the irreversible hydroxylation of phenylalanine to tyrosine, was purified from rat kidney with the use of phenyl-Sepharose, DEAE-Sephacel, and gel permeation high pressure liquid chromatography. Phenylalanine 87-100 phenylalanine hydroxylase Rattus norvegicus 0-25