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Molecular scale conductance photoswitching in engineered bacteriorhodopsin.

Abstract:

Bacteriorhodopsin (BR) is a robust light-driven proton pump embedded in the purple membrane of the extremophilic archae Halobacterium salinarium . Its photoactivity remains in the dry state, making BR of significant interest for nanotechnological use. Here, in a novel configuration, BR was depleted from most of its endogenous lipids and covalently and asymmetrically anchored onto a gold electrode through a strategically located and highly responsive cysteine mutation; BR has no indigenous cys...

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Publication status:
Published

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Publisher copy:
10.1021/nl203965w

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Institution:
University of Oxford
Department:
Oxford, MPLS, Chemistry, Inorganic Chemistry
Role:
Author
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Journal:
Nano letters
Volume:
12
Issue:
2
Pages:
899-903
Publication date:
2012-02-05
DOI:
EISSN:
1530-6992
ISSN:
1530-6984
URN:
uuid:e9c1d86d-5564-4245-800d-70d468e6359f
Source identifiers:
237161
Local pid:
pubs:237161

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