Mutations in superoxide dismutase 1 (SOD1) cause some forms of familial amyotrophic lateral sclerosis (fALS). Affected tissues of patients and transgenic mouse models of the disease accumulate misfolded and aggregated forms of the mutant protein. In the present study we have identified specific sequences in human SOD1 that modulate the aggregation of fALS mutant proteins. From our study of a panel of mutant proteins, we identify two sequence elements in human SOD1 (residues 42–50 and 109–123) that are critica…
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