3H3X:
reference: Introduction of Methionines in the Gas Channel Makes [NiFe] Hydrogenase Aero-Tolerant., Dementin S, Leroux F, Cournac L, Lacey AL, Volbeda A, Leger C, Burlat B, Martinez N, Champ S, Martin L, Sanganas O, Haumann M, Fernandez VM, Guigliarelli B, Fontecilla-Camps JC, Rousset M, J Am Chem Soc. 2009 Jul 6. PMID: 19580279

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