Mukohata Y, Sugiyama Y, Ihara K, Yoshida M
Department of Biology, Faculty of Science, Osaka University, Toyonaka, Japan.
Biochem Biophys Res Commun. 1988 Mar 30;151(3):1339-45. doi: 10.1016/s0006-291x(88)80509-6.
A bacterial strain collected from Western Australia carries all the specific features of Halobacteria, an extremely halophilic archaebacteria. This strain, Halobacterium sp. aus-1, contains a retinal protein which does differ from bacteriorhodopsin but still pumps out protons in the light. This novel proton pump is named "archaerhodopsin".