superoxide dismutase 1 sod1 enzyme. converts superoxide radical in hydrogen peroxide. gene mutations cause als amyotrophic.

superoxide dismutase sod1 enzyme converts radical hydrogen peroxide gene mutations cause als amyotrophic sod free antioxidant metalloprotein reactive species stress oxidative lateral sclerosis mutation carcinoma hepatocellular antiinflammatory pdb1spd structure peptide protein amino acid molecule polypeptide polymer atoms science scientific disease health molecular model 3d rendering cartoon representation secondary coloring