PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 8769848-4 1996 It has been shown that Glu288 plays a critical role in pterin function in phenylalanine hydroxylase. Pterins 55-61 phenylalanine hydroxylase Rattus norvegicus 74-99 8769848-7 1996 This suggests that corresponding residues in phenylalanine hydroxylase and tyrosine hydroxylase can have different roles in pterin function. Pterins 124-130 phenylalanine hydroxylase Rattus norvegicus 45-70