4OLO:
reference: Identification of a Unique Fe-S Cluster Binding Site in a Glycyl-Radical Type Microcompartment Shell Protein., Thompson MC, Wheatley NM, Jorda J, Sawaya MR, Gidaniyan SD, Ahmed H, Yang Z, McCarty KN, Whitelegge JP, Yeates TO, J Mol Biol. 2014 Aug 4. pii: S0022-2836(14)00366-0. doi:, 10.1016/j.jmb.2014.07.018. PMID: 25102080

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