ArticleBiomolecules2019
Mechanical Deformation and Electronic Structure of a Blue Copper Azurin in a Solid-State Junction.
Article in Biomolecules, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Electron transport through two interacting channels in Azurin-based solid-state junctions.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- Efficient Electron Hopping Transport through Azurin-Based Junctions.The journal of physical chemistry letters · 2023Article
- Printable logic circuits comprising self-assembled protein complexes.Nature communications · 2022Article
- Electrostatic regulation of blue copper sites.Chemical science · 2021Article
- Protein Binding and Orientation Matter: Bias-Induced Conductance Switching in a Mutated Azurin Junction.Journal of the American Chemical Society · 2020Article
- Single electron transfer events and dynamical heterogeneity in the small protein azurin fromChemical science · 2019Article
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Authors and funding
7 authors.
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Abstract
Protein-based electronics is an emerging field which has attracted considerable attention over the past decade. Here, we present a theoretical study of the formation and electronic structure of a metal-protein-metal junction based on the blue-copper azurin from pseudomonas aeruginosa. We focus on the case in which the protein is adsorbed on a gold surface and is contacted, at the opposite side, to an STM (Scanning Tunneling Microscopy) tip by spontaneous attachment. This has been simulated through a combination of molecular dynamics and density functional theory. We find that the attachment to the tip induces structural changes in the protein which, however, do not affect the overall electronic properties of the protein. Indeed, only changes in certain residues are observed, whereas the electronic structure of the Cu-centered complex remains unaltered, as does the total density of states of the whole protein.
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