1RU3:
reference: A functional Ni-Ni-[4Fe-4S] cluster in the monomeric acetyl-CoA synthase from Carboxydothermus hydrogenoformans., Svetlitchnyi V, Dobbek H, Meyer-Klaucke W, Meins T, Thiele B, Romer P, Huber R, Meyer O, Proc Natl Acad Sci U S A 2004 Jan 13;101(2):446-51. Epub 2003 Dec 29. PMID: 14699043

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