The steady march toward biomimetic nanoelectronics

KM Rosso, P Zarzycki - ACS nano, 2021 - ACS Publications
Steady progress is being made in unveiling nature's long-range charge transport
mechanisms in redox proteins and in the development of versatile self-assembling scaffolds …

An expandable, modular de novo protein platform for precision redox engineering

GH Hutchins, CEM Noble, HA Bunzel… - Proceedings of the …, 2023 - National Acad Sciences
The electron-conducting circuitry of life represents an as-yet untapped resource of exquisite,
nanoscale biomolecular engineering. Here, we report the characterization and structure of a …

Delineating redox cooperativity in water-soluble and membrane multiheme cytochromes through protein design

BJ Hardy, P Dubiel, EL Bungay, M Rudin, C Williams… - bioRxiv, 2024 - biorxiv.org
Nature has evolved diverse electron transport proteins and multiprotein assemblies
essential to the generation and transduction of biological energy. However, substantially …

From Hot Water to Dry Dirt: Microbes Use Cytochrome'Nanowires' of Similar Conductivity but Different Structure

MJ Guberman-Pfeffer - bioRxiv, 2023 - biorxiv.org
Micron-scale electron transfer through polymeric cytochrome'nanowires' powers prokaryotic
life from hydrothermal vents to terrestrial soils in ways not fully understood. How much …

Off-resonant coherent electron transport over three nanometers in multi-heme protein bioelectronic junctions

Z Futera, I Ide, B Kayser, K Garg, X Jiang… - arXiv preprint arXiv …, 2020 - arxiv.org
Multi-heme cytochromes (MHC) are fascinating proteins used by bacterial organisms to
shuttle electrons within and between their cells. When placed in a solid state electronic …

Coherent electron transport across a 3 nm bioelectronic junction made of multi-heme proteins

Z Futera, I Ide, B Kayser, K Garg, X Jiang… - The journal of …, 2020 - ACS Publications
Multi-heme cytochromes (MHCs) are fascinating proteins used by bacterial organisms to
shuttle electrons within, between, and out of their cells. When placed in solid-state electronic …

Structural determination of a filamentous chaperone to fabricate electronically conductive metalloprotein nanowires

YX Chen, NL Ing, F Wang, D Xu, NB Sloan, NT Lam… - ACS …, 2020 - ACS Publications
The transfer of electrons through protein complexes is central to cellular respiration.
Exploiting proteins for charge transfer in a controllable fashion has the potential to …

Fabrication of Electronically Conductive Protein‐Heme Nanowires for Power Harvesting

L Travaglini, NT Lam, A Sawicki, HJ Cha, D Xu… - Small, 2024 - Wiley Online Library
Electronically conductive protein‐based materials can enable the creation of bioelectronic
components and devices from sustainable and nontoxic materials, while also being well …

Single-Molecule Mapping of Long-range Electron Transport for a Cytochrome b562 Variant

EAD Pia, Q Chi, DD Jones, JE Macdonald, J Ulstrup… - Nano …, 2011 - ACS Publications
Cytochrome b 562 was engineered to introduce a cysteine residue at a surface-exposed
position to facilitate direct self-assembly on a Au (111) surface. The confined protein …

A 300-fold conductivity increase in microbial cytochrome nanowires due to temperature-induced restructuring of hydrogen bonding networks

PJ Dahl, SM Yi, Y Gu, A Acharya, C Shipps, J Neu… - Science …, 2022 - science.org
Although proteins are considered as nonconductors that transfer electrons only up to 1 to 2
nanometers via tunneling, Geobacter sulfurreducens transports respiratory electrons over …