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Dependence of plastoquinol diffusion on the shape, size and density of integral thylakoid proteins

Tremmel, I; Kirchhoff, Helmut; Weis, E; Farquhar, Graham


The diffusion of plastoquinol in the chloroplast thylakoid membrane is modelled using Monte Carlo techniques. The integral proteins are seen as obstacles to diffusion, and features of percolation theory emerge. Thus, the diffusion coefficient diminishes with increasing distance and there is a critical threshold of protein concentration, above which the long-range diffusion coefficient is zero. The area occupied by proteins in vivo is assessed and appears to be around this threshold, as...[Show more]

CollectionsANU Research Publications
Date published: 2003
Type: Journal article
Source: Biochimica et Biophysica Acta: International journal of Biochemistry and Biophysics
DOI: 10.1016/j.bbabio.2003.09.004


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