Article
Structural characterization of zinc-deficient human superoxide dismutase and implications for ALS.
Journal of molecular biology - 2 Nov 2007
Roberts Blaine R, Tainer John A, Getzoff Elizabeth D, Malencik Dean A, Anderson Sonia R, Bomben Valerie C, Meyers Kathrin R, Karplus P Andrew, Beckman Joseph S
Abstract excerpt
Over 130 mutations to copper, zinc superoxide dismutase (SOD) are implicated in the selective death of motor neurons found in 25% of patients with familial amyotrophic lateral sclerosis (ALS). Despite their widespread distribution, ALS mutations appear positioned to cause structural and misfolding defects. Such defects decrease SOD's affinity for zinc, and loss of zinc from SOD is sufficient to induce apoptosis...
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