PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 8307005-4 1994 DHPase catalyzed the reversible cyclization of 5,6-dihydrouracil (H2Ura) to N-carbamoyl-beta-alanine or 5,6-dihydrothymine (H2Thy) to N-carbamoyl-beta-aminoisobutyric acid. dihydrouracil 47-64 dihydropyrimidinase Rattus norvegicus 0-6