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The mechanism of inhibition by H-2 of H-2-evolution by hydrogenases

Vincent Fourmond 1, 2 Carole Baffert 1 Kateryna Sybirna 3 Sebastien Dementin 1 Abbas Abou-Hamdan 1 Isabelle Meynial Salles 2 Philippe Soucaille 2 Herve Bottin 3 Christophe Léger 3 
1 BIP - Bioénergétique et Ingénierie des Protéines
2 LISBP - Laboratoire d'Ingénierie des Systèmes Biologiques et des Procédés
3 SB2SM - Service de Bioénergétique, Biologie Stucturale, et Mécanismes
Abstract : By analysing the results of experiments carried out with two FeFe hydrogenases and several "channel mutants'' of a NiFe hydrogenase, we demonstrate that whether or not hydrogen evolution is significantly inhibited by H-2 is not a consequence of active site chemistry, but rather relates to H-2 transport within the enzyme.
Keywords : DIRECT ELECTROCHEMISTRY ENZYMES DIFFUSION KINETICS OXIDATION
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https://hal.archives-ouvertes.fr/hal-01268212
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Submitted on : Thursday, February 4, 2016 - 10:03:25 PM
Last modification on : Tuesday, April 5, 2022 - 3:08:52 AM

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Vincent Fourmond, Carole Baffert, Kateryna Sybirna, Sebastien Dementin, Abbas Abou-Hamdan, et al.. The mechanism of inhibition by H-2 of H-2-evolution by hydrogenases. Chemical Communications, Royal Society of Chemistry, 2013, 49 (61), pp.6840 - 6842. ⟨10.1039/c3cc43297a⟩. ⟨hal-01268212⟩

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