Table 8. The Mg-to-Mg distances between light harvesting (LH)-bound B880s and the nearest special pair of bacteriochlorophyll (BChls) in the reaction center (RC) of R. castenholzii native RC-LH (nRC-LH) and carotenoid-depleted RC-LH (dRC-LH) complexes.
| nRC-LH | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mg-to-Mg* | 40.3 | 42.4 | 44.7 | 47.2 | 46.8 | 43.9 | 40.2 | 37.3 | 36.5 | 37.7 | 40.6 | 43.7 | 44.5 | 44.8 | 44.2 |
| Mg-to-Mg† | 41.5 | 43.8 | 46.3 | 48.1 | 45.6 | 42.0 | 38.5 | 36.8 | 36.8 | 39.6 | 42.6 | 44.5 | 44.9 | 44.8 | 43.6 |
| dRC-LH | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
| Mg-to-Mg* | 42.0 | 44.8 | 47.2 | 49.9 | 49.0 | 45.8 | 42.0 | 39.1 | 38.3 | 39.7 | 43.0 | 46.0 | 46.2 | 46.4 | 45.4 |
| Mg-to-Mg† | 43.1 | 45.8 | 48.5 | 50.0 | 47.2 | 43.8 | 40.2 | 38.4 | 38.6 | 41.3 | 44.5 | 46.0 | 46.3 | 46.1 | 44.6 |
*
The distances from Mg2+ of the first LH-bound B880 to the nearest special pair of BChls.
†
The distances from Mg2+ of the second LH-bound B880 to the nearest special pair of BChls.