Abstract
In the photosynthetic membrane, there is a particular aggregated state for the chlorophyll a (Chl a) molecules with a specific arrangement responsible for the high efficiency of energy conversion. Chl a monolayers, transferred onto solid substrates, are systems that potentially can mimic the packing of the in vivo system. The association of Chl a in the monolayer results in the formation of dimers with an average size of 3.00 ± 0.15 nm. Considering the organization of the dimers, we assume that P680 is a dimer with the (anti) parallel transition moments of the constituent. The Chl a macrocycles most likely are tilted to each other by 30°with respect to the membrane plane.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 3504-3506 |
| Number of pages | 3 |
| Journal | Proceedings of the National Academy of Sciences of the United States of America |
| Volume | 94 |
| Issue number | 8 |
| DOIs | |
| State | Published - Apr 15 1997 |
ASJC Scopus subject areas
- General
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Boussaad, S., Tazi, A., & Leblanc, R. M. (1997). Chlorophyll a dimer: A possible primary electron donor for the photosystem II. Proceedings of the National Academy of Sciences of the United States of America, 94(8), 3504-3506. https://doi.org/10.1073/pnas.94.8.3504