Protein Binding and Orientation Matter: Bias-Induced Conductance Switching in a Mutated Azurin Junction
Jerry A. Fereiro, Tatyana Bendikov, Israel Pecht, Mordechai Sheves, David Cahen
Abstract
that coordination sphere is closest to the other Au electrode, with which only physical contact is made. Our results establish the key roles that a protein's orientation and binding nature to the electrodes play in determining the electron transport tunnel barrier.
Topics & Concepts
AzurinConductanceChemistryElectrodeBiasingCopper proteinQuantum tunnellingCrystallographySubstrate (aquarium)Electron transferCondensed matter physicsCopperVoltagePhysical chemistryOceanographyGeologyQuantum mechanicsPhysicsOrganic chemistryCellular transport and secretionPhotosynthetic Processes and MechanismsMolecular Junctions and Nanostructures