Electrocatalysis of nitrite reductase from Alcaligenes faecalis strain 6 mediated by native redox partner

A protein‐mediated electrocatalytic reaction is described. A blue protein from Alcaligenes faecalis strain 6 (AfBP) was used as a redox mediator for a nitrite reductase (NIR) from the same organism. Two steps of a homogeneous chemical reaction (AfBP‐NIR and NIR‐substrate), following the direct elect...

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Veröffentlicht in:Electroanalysis (New York, N.Y.) N.Y.), 1992-09, Vol.4 (8), p.771-776
Hauptverfasser: Iwasaki, Yuzuru, Takeuchi, Toshifumi, Tamiya, Eiichi, Karube, Isao, Nishiyama, Makoto, Horinouchi, Sueharu, Beppu, Teruhiko, Kadoi, Hideo, Uchiyama, Shunichi, Suzuki, Shuichi, Suzuki, Masayasu
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container_issue 8
container_start_page 771
container_title Electroanalysis (New York, N.Y.)
container_volume 4
creator Iwasaki, Yuzuru
Takeuchi, Toshifumi
Tamiya, Eiichi
Karube, Isao
Nishiyama, Makoto
Horinouchi, Sueharu
Beppu, Teruhiko
Kadoi, Hideo
Uchiyama, Shunichi
Suzuki, Shuichi
Suzuki, Masayasu
description A protein‐mediated electrocatalytic reaction is described. A blue protein from Alcaligenes faecalis strain 6 (AfBP) was used as a redox mediator for a nitrite reductase (NIR) from the same organism. Two steps of a homogeneous chemical reaction (AfBP‐NIR and NIR‐substrate), following the direct electron transfer reaction of AfBP (E C′C′), were analyzed, and the bimolecular rate constant of 1.8 × 106 M−1·S−1 for the AfBP‐NIR reaction was calculated from electrocatalytic current in cyclic voltammetry. The kinetic relation of the first and the second homogeneous reaction was discussed.
doi_str_mv 10.1002/elan.1140040806
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subjects blue protein
electrocatalysis
Nitrite reductase
title Electrocatalysis of nitrite reductase from Alcaligenes faecalis strain 6 mediated by native redox partner
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