Roszak, A.W., Howard, T.D., Southall, J., Gardiner, A.T., Law, C.J., Isaacs, N.W. and Cogdell, R.J. (2003) Crystal structure of the RC-LH1 core complex from Rhodopseudomonas palustris. Science, 302(5652), pp. 1969-1972. (doi: 10.1126/science.1088892)
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Abstract
The crystal structure at 4.8 angstrom resolution of the reaction center–light harvesting 1 (RC–LH1) core complex from Rhodopseudomonas palustris shows the reaction center surrounded by an oval LH1 complex that consists of 15 pairs of transmembrane helical α- and β-apoproteins and their coordinated bacteriochlorophylls. Complete closure of the RC by the LH1 is prevented by a single transmembrane helix, out of register with the array of inner LH1 α-apoproteins. This break, located next to the binding site in the reaction center for the secondary electron acceptor ubiquinone (UQ<sub>B</sub>), may provide a portal through which UQ<sub>B</sub> can transfer electrons to cytochrome b/c<sub>1</sub>.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Cogdell, Professor Richard and Isaacs, Professor Neil and Roszak, Dr Aleksander |
| Authors: | Roszak, A.W., Howard, T.D., Southall, J., Gardiner, A.T., Law, C.J., Isaacs, N.W., and Cogdell, R.J. |
| College/School: | College of Medical Veterinary and Life Sciences > School of Molecular Biosciences |
| Journal Name: | Science |
| Publisher: | American Association for the Advancement of Science |
| ISSN: | 0036-8075 |
| ISSN (Online): | 1095-9203 |
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