Figure 2.
Outline of various sources of reactive oxygen species and action of antioxidant enzymes. Q: Indicates coenzyme Q; C: Cytochrome C; FAD: Flavin adenine dinucleotide; FMN: Flavin mononucleotide; FE: Heme iron; BH4: Tetrahydrobiopterin
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.