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Protein engineering of cytochrome b562 for quinone binding and light-induced electron transfer

Hay, Sam; Wallace, Brett; Smith, Trevor A; Ghiggino, Kenneth; Wydrzynski, Thomas


The central photochemical reaction in photosystem II of green algae and plants and the reaction center of some photosynthetic bacteria involves a one-electron transfer from a light-activated chlorin complex to a bound quinone molecule. Through protein engineering, we have been able to modify a protein to mimic this reaction. A unique quinone-binding site was engineered into the Escherichia coli cytochrome 6552 by introducing a cysteine within the hydrophobic interior of the protein. Various...[Show more]

CollectionsANU Research Publications
Date published: 2004
Type: Journal article
Source: PNAS - Proceedings of the National Academy of Sciences of the United States of America
DOI: 10.1073/pnas.0406192101


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