PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 4016080-1 1985 The formation of tyrosine from phenylalanine catalyzed by rat liver phenylalanine hydroxylase is coupled to the generation of a 4a-hydroxy adduct from the requisite tetrahydropterin cofactor. Phenylalanine 31-44 phenylalanine hydroxylase Rattus norvegicus 68-93