Structural insights into the proton pumping by unusual proteorhodopsin from nonmarine bacteria.
Gushchin, I., Chervakov, P., Kuzmichev, P., Popov, A.N., Round, E., Borshchevskiy, V., Ishchenko, A., Petrovskaya, L., Chupin, V., Dolgikh, D.A., Arseniev, A.A., Kirpichnikov, M., Gordeliy, V.(2013) Proc.Natl.Acad.Sci.USA 110: 12631-12636
- PubMed: 23872846 
- DOI: 10.1073/pnas.1221629110
- PubMed Abstract: 
Light-driven proton pumps are present in many organisms. Here, we present a high-resolution structure of a proteorhodopsin from a permafrost bacterium, Exiguobacterium sibiricum rhodopsin (ESR). Contrary to the proton pumps of known structure, ESR po ...