6MSO:
reference: Crystal structures of fumarate hydratases from Leishmania major in a complex with inhibitor 2-thiomalate., Feliciano PR, Drennan CL, Nonato MC, ACS Chem Biol. 2019 Jan 15. doi: 10.1021/acschembio.8b00972. PMID: 30645090

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