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Glycinebetaine stabilizes the association of extrinsic proteins with the photosynthetic oxygen‐evolving complex

Year: 1992

Type: article

Abstract: The photosynthetic oxygen-evolving activity of the photosystem 2 complex, prepared from spinach, was labile when the complex was exposed to high-salt conditions under which the extrinsic proteins were dissociated from the complex. Glycinebetaine prevented the dissociation of the 18-kDa and the 23-kDa extrinsic proteins from the photosystem 2 complex in the presence of 1 M NaCl. It also prevented the dissociation of the 33-kDa extrinsic protein from the complex in the presence of 1 M MgCl2 or 1 M CaCl2. The oxygen-evolving activity of the photosystem 2 complex was stabilized by glycinebetaine when the complex was subjected to treatment with NaCl and MgCl2.

Source: FEBS Letters

DOI: 10.1016/0014-5793(92)80376-r

Authors: N. Murata, P.S. Mohanty, H. Hayashi, G.C. Papageorgiou

Institution: National Institute for Basic Biology

Language: English

Topic: Photosynthetic Processes and Mechanisms

Subfield: Molecular Biology

Field: Biochemistry, Genetics and Molecular Biology

Domain: Life Sciences

Open Access status: bronze

Funders: Ministry of Education, Culture, Sports, Science and Technology, National Institute for Basic Biology

OpenAlex ID: W1981163946

FWCI: 1.453

Cites: 15

Cited by: 206

Related to: 10