2MMZ:
reference: [2Fe-2S] cluster transfer in iron-sulfur protein biogenesis., Banci L, Brancaccio D, Ciofi-Baffoni S, Del Conte R, Gadepalli R, Mikolajczyk M, Neri S, Piccioli M, Winkelmann J, Proc Natl Acad Sci U S A. 2014 Apr 29;111(17):6203-8. doi:, 10.1073/pnas.1400102111. Epub 2014 Apr 14. PMID: 24733926

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