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Keywords: electron transfer
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Biochem J (2024) 481 (24): 2017–2036.
Published: 23 December 2024
...Pilar C. Portela; Marta A. Silva; Alexandre Almeida; Gonçalo F. Damas; Carlos A. Salgueiro Geobacter ’s unique ability to perform extracellular electron transfer (EET) to electrodes in microbial fuel cells (MFCs) has sparked the implementation of sustainable production of electrical energy. However...
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Biochem J (2023) 480 (5): 319–333.
Published: 15 March 2023
... and annotated. Substrates and cofactors are indicated. Electron transfer path is indicated by light blue arrow. Quinone cavity is shown as grey surface. ( B ) Structure of the mammalian (ovine) complex I [ 25 ] with 14 core subunits coloured and annotated and the remaining supernumerary subunits shown in grey...
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Biochem J (2021) 478 (14): 2927–2944.
Published: 28 July 2021
... the electron transfer to the LPMO, a direct interaction between enzymes must occur [ 52 , 53 ]. In silico docking [ 52 , 53 ] and protein–protein interaction studies [ 54 ] so far suggest that these enzyme partners directly contact the copper ion to allow its reduction, but the transient nature...
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Biochem J (2021) 478 (14): 2871–2887.
Published: 23 July 2021
... is particularly relevant if observed in the physiological pH range, as it may contribute to the electrochemical gradient for ATP synthesis. A constitutively produced family of five triheme cytochromes (PpcA−E) from the bacterium Geobacter sulfurreducens plays a crucial role in extracellular electron transfer...
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Biochem J (2021) 478 (12): 2371–2384.
Published: 23 June 2021
...-EM, our data provide novel mechanistic insights into binding and electron transfer between PSI and Pc. Structural data at 2.74 Å resolution reveals strong hydrophobic interactions in the plant PSI–Pc ternary complex, leading to exclusion of water molecules from PsaA–PsaB/Pc interface once the PSI–Pc...
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Biochem J (2020) 477 (9): 1631–1650.
Published: 05 May 2020
...Felix Buchert; Laura Mosebach; Philipp Gäbelein; Michael Hippler Proton gradient regulation 5 (PGR5) is involved in the control of photosynthetic electron transfer, but its mechanistic role is not yet clear. Several models have been proposed to explain phenotypes such as a diminished steady-state...
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Biochem J (2019) 476 (15): 2173–2190.
Published: 09 August 2019
...Cvetelin Vasilev; Guy E. Mayneord; Amanda A. Brindley; Matthew P. Johnson; C. Neil Hunter The reversible docking of small, diffusible redox proteins onto a membrane protein complex is a common feature of bacterial, mitochondrial and photosynthetic electron transfer (ET) chains. Spectroscopic...
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Biochem J (2018) 475 (17): 2861–2875.
Published: 14 September 2018
... of five periplasmic triheme cytochromes, which are important to bridge the electron transfer from the cytoplasmic donors to the extracellular acceptors. Using NMR and visible spectroscopic techniques, a detailed thermodynamic characterization of PpcA was obtained, including the determination of the heme...
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Biochem J (2017) 474 (15): 2563–2572.
Published: 18 July 2017
... of a substrate protein that binds to the surface of MauG and is oxidized by the high-valent hemes via long-range electron transfer. Ascorbate was also shown to prolong the activity of a P107V MauG variant that is more prone to inactivation. A previously unknown ascorbate peroxidase activity of MauG...
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Biochem J (2017) 474 (2): 231–246.
Published: 06 January 2017
... response around −150 mV [ 35 – 37 ], which can be driven by PpcA, as the protein is functionally active at this redox potential [ 25 ]. electron transfer Geobacter multiheme cytochrome NMR solution structure Multiheme cytochromes are key players in extracellular electron transfer (EET...
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Biochem J (2014) 462 (2): 257–265.
Published: 07 August 2014
... a method combining structure-based systematic mutations and site-directed random mutagenesis. biphenyl degradation electron transfer flavoprotein protein design random mutagenesis specificity prediction In the large-scale production of biological compounds using bacteria, redox balance...
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Biochem J (2013) 450 (3): 607–617.
Published: 28 February 2013
...-deshielded) conformational state. Moreover, computer simulations of the kinetic traces of cytochrome c reduction by the mutants suggest that they have higher conformational transition rates (1.5–4-fold) and rates of interflavin electron transfer (1.5–2-fold) relative to wild-type nNOSred. We conclude...
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Biochem J (2012) 443 (2): 505–514.
Published: 27 March 2012
... into NO and citrulline. Both steps are thought to proceed via similar mechanisms in which the cofactor BH 4 (tetrahydrobiopterin) activates dioxygen at the haem site by electron transfer. The subsequent events are poorly understood due to the lack of stable intermediates. By analogy with cytochrome P450, a haem-iron oxo...
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Biochem J (2010) 432 (3): 485–494.
Published: 25 November 2010
... coefficient=1.5±0.3, and 75±4% of the CYP3A4 can be reduced by NADPH in the presence of testosterone. Transfer of the first electron from CPR to CYP3A4 was measured by stopped-flow, trapping the reduced CYP3A4 as its Fe(II)–CO complex and measuring the characteristic absorbance change. Rapid electron transfer...
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Biochem J (2008) 411 (3): 563–570.
Published: 14 April 2008
... ). 20 9 2007 29 1 2008 31 1 2008 31 1 2008 © The Authors Journal compilation © 2008 Biochemical Society 2008 adrenodoxin reductase coenzyme selectivity electron transfer flavoprotein reductase A Mycobacterium tuberculosis Restriction enzymes and DNA ligase were...
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Biochem J (2007) 406 (1): 125–129.
Published: 26 July 2007
... 2007 3 5 2007 © The Authors Journal compilation © 2007 Biochemical Society 2007 brain mitochondrion electron transfer hydrogen peroxide production NADH:ubiquinone oxidoreductase (Complex I) reactive oxygen species succinate Mitochondria are the major site of ROS (reactive...
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Biochem J (2004) 378 (1): 45–51.
Published: 15 February 2004
...Peter B. CROWLEY; David M. HUNTER; Katsuko SATO; William McFARLANE; Christopher DENNISON In general, inter-protein electron transfer proceeds via the formation of transient complexes. The initial stage of the interaction between plastocyanin (PCu) and cytochrome f (cyt f ) from plants is mediated...
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Biochem J (2003) 371 (2): 377–383.
Published: 15 April 2003
... 2003 The Biochemical Society, London ©2003 2003 cupredoxin electron transfer paramagnetic NMR Abbreviations used: CBP, cucumber basic protein; CST, cucumber stellacyanin; LMCT, ligand to metal charge transfer; SCu, stellacyanin from Rhus vernicifera ; UCu, umecyanin. Biochem...
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Biochem J (2001) 356 (2): 595–604.
Published: 24 May 2001
... in the GenBank® database under accession number AF116872. cyanide-resistant respiration electron transfer histidine kinase reactive oxygen species Abbreviations used: AOX, alternative oxidase; ROS, reactive oxygen species; ORF, open reading frame. Biochem. J. (2001) 356, 595 604 (Printed...
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