PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 19567155-3 2009 The p22phox subunit is polymorphic with a C242T variant that changes histidine-72 for a tyrosine in the potential heme binding site. Heme 114-118 cytochrome b-245 alpha chain Homo sapiens 4-11 19567155-9 2009 Compared with the non-OSAHS control group, the OSAHS group had a significantly higher T allele frequency in p22phox polymorphism (P = 0.03). osahs 22-27 cytochrome b-245 alpha chain Homo sapiens 108-115