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Abstract
The surface electric properties of thylakoids and Photosystem II-enriched particles subjected to proteolytic treatment were investigated by electric light scattering and microelectrophoresis. The observed variation of the charge asymmetry (permanent dipole moment) and electric polarizability upon treatment of thylakoids with trypsin in a wide concentration range and different time of enzyme action, associated with the removal of positively charged polypeptides from the thylakoid membranes, correlated with the increase of the electrokinetic charge. The higher transversal charge asymmetry of trypsin-treated Photosystem II fragments could be connected with destacking of the paired membranes upon treatment with trypsin and formation of unpaired single membrane fragments.
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Schedule a callMore From: Journal of Photochemistry & Photobiology, B: Biology
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