3G4X:
reference: Role of conserved tyrosine residues in NiSOD catalysis: a case of convergent evolution., Herbst RW, Guce A, Bryngelson PA, Higgins KA, Ryan KC, Cabelli DE, Garman SC, Maroney MJ, Biochemistry. 2009 Apr 21;48(15):3354-69. PMID: 19183068

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