An oxygen‐evolving complex with a simple subunit structure ‐ ‘a water‐plastoquinone oxidoreductase” ‐ from the thermophilic cyanobacteriumSynechococcussp.
- 28 January 1985
- journal article
- Published by Wiley in FEBS Letters
- Vol. 180 (2) , 326-330
- https://doi.org/10.1016/0014-5793(85)81096-6
Abstract
An oxygen‐evolving complex has been highly purified from the thermophilic cyanobacteriumSynechococcussp. The complex, which reproducibly showed 5 major polypeptide bands of 47, 40, 35, 30 and 9 kDa on SDS‐polyacrylamide gel electrophoresis and contained 3.2 Mn per QA, had an oxygen‐evolving activity of 300–400chl per h in the presence of 5 mM MnCl2; or CaCl2. The complex most likely represents a minimum functional unit of the photosynthetic oxygen evolution.Keywords
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