t1/2 value for the charge recombination of QA•-/S2 at room temperature
| Range | ~5 to 7 sec |
|---|---|
| Organism | Spinach Spinacia oleracea |
| Reference | Keren N, Berg A, van Kan PJ, Levanon H, Ohad I. Mechanism of photosystem II photoinactivation and D1 protein degradation at low light: the role of back electron flow. Proc Natl Acad Sci U S A. 1997 Feb 18 94(4):1579-84. p.1581 left column 4th paragraphPubMed ID11038602 |
| Method | Measurements of the decay of the TL signal intensity as a function of the incubation time of the sample in the dark following a single flash excitation. Similar measurements were carried out in the presence of DCMU which binds at the QB site and prevents QA•- oxidation |
| Entered by | Uri M |
| ID | 107738 |