PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 19007315-6 2009 Two tetrahydrobiopterin analogues, N(5)-methyltetrahydrobiopterin and 4-aminotetrahydrobiopterin, had a similar impact on glyceryl ether monooxygenase activity, as has already been shown for phenylalanine hydroxylase. n(5)-methyltetrahydrobiopterin 35-65 phenylalanine hydroxylase Homo sapiens 191-216