PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 7649929-2 1995 The findings support previous photometric studies that indicate that carotid body type I cells possess a putative oxygen sensor protein that is similar to the neutrophil NAD(P)H oxidase and consists of a hydrogen peroxide generating low-potential cytochrome b558 with cofactors regulating the electron transfer to oxygen. Hydrogen Peroxide 204-221 mitochondrially encoded cytochrome b Homo sapiens 247-259