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Extrinsic polypeptides of spinach photosystem I by Staffan E. Tjus; Bertil Andersson is a Biochemistry, Genetics and Molecular Biology article available to read on EtoBox.
What is Extrinsic polypeptides of spinach photosystem I about?
By combining Triton X-114 partitioning with alkaline-salt and chaotropic washings of thylakoid membrane vesicles and photosystem I particles, we have studied the protein subunit composition and organization of spinach photosystem I. Upon fractionation of photosystem I particles with Triton X-114, 6 polypeptides of 5.0, 8.2 (psaE), 10.5, 16.6 (psaG), 19.3 and 22.1kDa (psaD) were considered to be extrinsic membrane proteins. By combining this partitioning with salt washes of thylakoid membranes, the polypeptides of 8.2, 11.6 (psaH), 19.3 and 22.1 kDa were directly shown to be stromally oriented and extrinsic while no extrinsic subunits were identified at the inner thylakoid surface. The 5. 0, 8.2, 10.5, 17.2, 19.3 and 22.1 kDa polypeptides appear to have regulatory rather than catalytic functions as their release from photosystem I particles upon high salt-alkali treatment does not affect photosystem 1-mediated electron transport.
Who reads Extrinsic polypeptides of spinach photosystem I?
It is typically read by researchers, students, and practitioners in Biochemistry, Genetics and Molecular Biology.
- Author
- Staffan E. Tjus; Bertil Andersson
- Publisher
- Springer; Springer-Verlag; Kluwer Academic Publishers; Springer Science and Business Media LLC; Society for Mining, Metallurgy and Exploration Inc. (ISSN 0166-8595)
- Published
- 1991
- Language
- EN
- Field
- Biochemistry, Genetics and Molecular Biology (Life Sciences)