PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 34336787-1 2021 Indoleamine-2,3-dioxygenase (IDO1) and tryptophan dioxygenases are two heme based metalloenzymes that catalyze the tryptophan oxidation reaction by inserting molecular dioxygen to cleave the pyrrole ring. Pyrroles 191-198 indoleamine 2,3-dioxygenase 1 Homo sapiens 29-33