4MCM:
reference: Insights into the Role of the Unusual Disulfide Bond in Copper-Zinc Superoxide Dismutase., Sea K, Sohn SH, Durazo A, Sheng Y, Shaw BF, Cao X, Taylor AB, Whitson LJ, Holloway SP, Hart PJ, Cabelli DE, Gralla EB, Valentine JS, J Biol Chem. 2014 Nov 28. pii: jbc.M114.588798. PMID: 25433341

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