Do multiheme cytochromes containing close-packed heme groups have a band structure formed from the heme π and π* orbitals?

JH van Wonderen, A Morales-Florez, TA Clarke… - Current Opinion in …, 2024 - Elsevier
Multiheme cytochromes (MHCs) are bacterial electron-transfer proteins. We show from
optical spectra and calculations that some of these cytochromes probably contain occupied …

Characterization of the inner membrane cytochrome ImcH from Geobacter reveals its importance for extracellular electron transfer and energy conservation

AI Pimenta, CM Paquete, L Morgado… - Protein …, 2023 - Wiley Online Library
Electroactive bacteria combine the oxidation of carbon substrates with an extracellular
electron transfer (EET) process that discharges electrons to an electron acceptor outside the …

Elucidating Electron Storage and Distribution within the Pentaheme Scaffold of Cytochrome c Nitrite Reductase (NrfA)

V Sosa Alfaro, J Campeciño, M Tracy, SJ Elliott… - Biochemistry, 2021 - ACS Publications
Cytochrome c nitrite reductases (C c NIR or NrfA) play important roles in the global nitrogen
cycle by conserving the usable nitrogen in the soil. Here, the electron storage and …

Examination of abiotic cofactor assembly in photosynthetic biomimetics: site-specific stereoselectivity in the conjugation of a ruthenium (II) tris (bipyridine) …

NS Ponomarenko, O Kokhan, PR Pokkuluri… - Photosynthesis …, 2020 - Springer
To understand design principles for assembling photosynthetic biohybrids that incorporate
precisely-controlled sites for electron injection into redox enzyme cofactor arrays, we …

Role of the inner membrane cytochrome ImcH in Geobacter extracellular electron transfer and energy conservation

AI Pimenta, CM Paquete, L Morgado, MJ Edwards… - bioRxiv, 2023 - biorxiv.org
Electroactive bacteria combine the oxidation of carbon substrates with an extracellular
electron transfer (EET) process that discharges electrons to an electron acceptor outside the …

GLB-3: A resilient, cysteine-rich, membrane-tethered globin expressed in the reproductive and nervous system of Caenorhabditis elegans

Z Hafideddine, T Loier, N Van Brempt… - Journal of Inorganic …, 2023 - Elsevier
The popular genetic model organism Caenorhabditis elegans (C. elegans) encodes 34
globins, whereby the few that are well-characterized show divergent properties besides the …

Isolation and biophysical characterization of GSU0105, a triheme c-type cytochrome from Geobacter sulfurreducens

TJ Brittain, MC O'Malley, CM Swaim, RA Fink… - bioRxiv, 2020 - biorxiv.org
C-type cytochromes play an important role in respiration of dissimilatory metal-reducing
bacteria. They form extended conduits for charge transfer between the cellular metabolism …

A Tale of Two Nanowires: the Biochemical and Spectroscopic Characterization of the Conductive Cytochrome OmcS and OmcZ Filaments of Geobacter …

JP OBrien - 2020 - search.proquest.com
The conductive filamentous appendages of common soil bacterium Geobacter
sulfurreducens are commonly referred to as “microbial nanowires” because they perform …

Modification of Heme Proteins for Reactivity and Mechanistic Studies

V Sosa Alfaro - 2022 - deepblue.lib.umich.edu
In the past decade, carbene transfer biocatalysis has evolved from basic scientific research
to an area with vast potential for the development of new industrial processes in the …