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RevistaAngewandte Chemie International Edition
Año2016
Volumen55
Páginas6126-6220
Internacional

H2 fueled ATP synthesis on an electrode: mimicking cellular respiration

Autores:Gutiérrez-Sanz, Oscar, Ileana Marquez , Marta C. Marques , Sonia Zacarias , Marcos Pita Martínez, Ines A. C. Pereira , Antonio López de Lacey, Marisela Vélez Tirado
Grupos de investigación:BioElectroCatálisis, Laboratorio de Biofuncionalización de Superficies

Abstract: ATP, the molecule used by living organisms to

supply energy to many different metabolic processes, is

synthesized mostly by the ATPase synthase using a proton or

sodium gradient generated across a lipid membrane. We

present evidence that a modified electrode surface integrating

a NiFeSe hydrogenase and a F1F0-ATPase in a lipid membrane

can couple the electrochemical oxidation of H2 to the synthesis

of ATP. This electrode-assisted conversion of H2 gas into ATP

could serve to generate this biochemical fuel locally when

required in biomedical devices or enzymatic synthesis of

valuable products.

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