Metal uptake by manganese superoxide dismutase.
Manganese superoxide dismutase is an important antioxidant defense metalloenzyme that protects cells from damage by the toxic oxygen metabolite, superoxide free radical, formed as an unavoidable by-product of aerobic metabolism. Many years of research have gone into understanding how the metal cofactor interacts with small molecules in its catalytic role. In contrast, very little is presently known about how the protein acquires its metal cofactor, an important step in the maturation of the protein and one that is absolutely required for its biological function. Recent work is beginning to provide insight into the mechanisms of metal delivery to manganese superoxide dismutase in vivo and in vitro.
Whittaker
James W
JW
Department of Science and Engineering, School of Medicine, Oregon Health and Science University, Beaverton, OR 97006-8921, USA. jim@ebs.ogi.edu
D000818:Animals; D001692:Biological Transport; D006801:Humans; D008670:Metals / Q000378:metabolism*; D013482:Superoxide Dismutase / Q000378:metabolism*
D008670:Metals; D013482:Superoxide Dismutase
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