Table 5. Distances (Å) between the LHαβ transmembrane (TM) helices of the native reaction center-light harvesting (nRC-LH) and carotenoid-depleted RC-LH (dRC-LH) complexes from R. castenholzii.
The distance is measured between LHαβn and LHαβ (n+1).
| nRC-LH | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15* | 16† |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| LHα | 14.8 | 14.7 | 14.6 | 14.3 | 14.4 | 14.7 | 15.4 | 14.9 | 15.4 | 14.6 | 14.7 | 15.0 | 14.5 | 14.4 | 19.4 | 9.7 |
| LHβ | 20.0 | 19.8 | 20.0 | 20.4 | 20.2 | 20.0 | 19.8 | 19.9 | 19.7 | 20.1 | 20.0 | 19.9 | 20.1 | 20.1 | 11.2 | 28.1 |
| dRC-LH | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 * | 16 † |
| LHα | 15.4 | 15.4 | 15.3 | 15.0 | 14.9 | 15.3 | 16.2 | 15.5 | 16.1 | 15.2 | 15.4 | 15.6 | 15.3 | 14.9 | 19.6 | 10.2 |
| LHβ | 21.0 | 20.7 | 20.9 | 21.2 | 20.9 | 21.0 | 20.5 | 20.9 | 20.6 | 20.8 | 21.0 | 20.7 | 20.9 | 20.9 | – | – |
The distances from LHα15 Met-22 to c-TM Val-33, and LHβ15 Ile-39 to subunit X.
The distances from LHα1 Val-29 to c-TM Tyr-44, and LHβ1 Leu-37 to subunit X.