p22phox is a critical component of vascular NADPH oxidases and is encoded by the CYBA ( cytochrome b245 alpha ) gene .
B-GeneOrGeneProduct O O O O O O B-GeneOrGeneProduct I-GeneOrGeneProduct O O O O O B-GeneOrGeneProduct O B-GeneOrGeneProduct I-GeneOrGeneProduct I-GeneOrGeneProduct O O O