PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 32993497-3 2020 H2S release is triggered by carbon monoxide (CO) from the catabolism of heme by inducible heme oxygenase (HO-1) and heme proteins possess catalytic activity necessary for the H2S signalling by protein persulfidation. Heme 72-76 heme oxygenase 1 Homo sapiens 106-110