Enzyme-catalysed nitrate reduction—themes and variations as revealed by protein film voltammetry

Butt, Julea, Anderson, L, Rubio, L, Richardson, David, Flores, E and Herrero, A (2002) Enzyme-catalysed nitrate reduction—themes and variations as revealed by protein film voltammetry. Bioelectrochemistry, 56 (1-2). pp. 17-18. ISSN 1878-562X

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Abstract

Protein film voltammetry has been used to define the catalytic performance of two nitrate reductases: the respiratory nitrate reductase, NarGH, from Paracoccus pantotrophus and the assimilatory nitrate reductase, NarB, from Synechococcus sp. PCC 7942. NarGH and NarB present distinct ‘fingerprints’ of catalytic activity when viewed in this way. Potentials that provide insufficient driving force for significant rates of nitrate reduction by NarB result in appreciable rates of nitrate reduction by NarGH. However, both enzymes display complex modulations in their rate of substrate reduction when viewed across the electrochemical potential domain.

Item Type: Article
Faculty \ School: Faculty of Science > School of Chemistry
Faculty of Science > School of Biological Sciences
Depositing User: Rachel Smith
Date Deposited: 15 Feb 2011 16:52
Last Modified: 20 Nov 2018 11:31
URI: https://ueaeprints.uea.ac.uk/id/eprint/21420
DOI: 10.1016/S1567-5394(02)00049-X

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