PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 16611641-8 2006 Unlike many non-heme iron dioxygenases that employ alpha-keto acids as cofactors, CDO was shown to be the only dioxygenase known to be inhibited by alpha-ketoglutarate. alpha-keto acids 51-67 cysteine dioxygenase type 1 Rattus norvegicus 82-85