4H4C:
reference: Structures of Fluoro, Amino, and Thiol Inhibitors Bound to the [Fe(4) S(4) ] Protein IspH., Span I, Wang K, Wang W, Jauch J, Eisenreich W, Bacher A, Oldfield E, Groll M, Angew Chem Int Ed Engl. 2013 Jan 10. doi: 10.1002/anie.201208469. PMID: 23307751

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