| Autor: |
A G, Iakovlev, L G, Vasil'eva, A Ia, Shkuropatov, T I, Bolgarina, V A, Shkuropatova, T A, Dolgova, V A, Shuvalov |
| Rok vydání: |
2004 |
| Předmět: |
|
| Zdroj: |
Biofizika. 49(2) |
| ISSN: |
0006-3029 |
| Popis: |
The nuclear wavepacket formed by 20-fs excitation on the P* potential energy surface in native and mutant (YM210W and YM210L) reaction centers of Rhodobacter (Rb.) sphaeroides and Chloroflexus (C.) aurantiacus RCs was found to be reversibly transferred to the P+BA- surface at 120, 380, and 640-fs delays (monitored by measurements of BA- absorption at 1020-1028 nm). The reaction centers of YM210W(L) mutant show the most simple pattern of fs oscillations with a period of 230 fs in stimulated emission from P* and in the product P+BA-. The mechanisms of the electron transfer pathway between P* and BA and of the stabilization of the state P+BA- in bacterial reaction centers are discussed. |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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