Controlled Mechanical Actuation of Adsorbed Forisome Mechanoproteins: A Step Toward Biomolecular Devices
Julian Becker,
Svenja Speldrich,
Gunther Wittstock
et al.
Abstract:Forisomes are giant structural plant mechanoproteins that reversibly undergo a transition from a longitudinally expanded to a contracted (dispersed) state. This transition is driven by a change in the concentration of Ca2+ ions. Artificial forisomes, expressed in yeast, have a width of 0.7 µm and a length of 4.6 µm and adsorb onto a gold surface. Scanning electrochemical microscopy imaging of the adsorbed forisomes reveales a heterogenous film in which several proteins adsorb together on the substrate surface.… Show more
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