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The S-state dependence of Cl binding to plant Photosystem II |
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| Authors: | C. Preston R.J. Pace |
| Affiliation: | a Botany Department, The Faculties, Australian National University, G.P.O. Box 4, Canberra, ACT 2601, Australia b Research School of Chemistry, Australian National University, G.P.O. Box 4, Canberra, ACT 2601, Australia |
| Abstract: | A combined single-turnover flash and 35Cl NMR technique has been used to monitor S-state dependence of Cl− binding to PS-II particles derived from mangrove (Avicennia marina). No detectable high-affinity binding was found to particles in the S0 and S1 states, but binding with an affinity comparable to that which activates O2 evolution was found in the S2 and S3 states. |
| Keywords: | Photosystem II S state NMR Oxygen evolution Cl− effect (Mangrove) |
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