Bacteriorhodopsin （bR） in purple membrane （PM） from H. Halobium is a light-drivenproton pump. Its seven transmembrane helices form an internal proton channel. Anall-trans retinal covalently links up via protonated...Bacteriorhodopsin （bR） in purple membrane （PM） from H. Halobium is a light-drivenproton pump. Its seven transmembrane helices form an internal proton channel. Anall-trans retinal covalently links up via protonated Schiff base with K216 inside thechannel. Upon illumination, the retinal isomerization around the C<sub>13</sub>-C<sub>14</sub> double bond drivesprotons translocation through the channel from the cytoplasm into the medium, and展开更多
基金Project supported by the Key Foundation of Chinese Academy of Sciences.
文摘Bacteriorhodopsin （bR） in purple membrane （PM） from H. Halobium is a light-drivenproton pump. Its seven transmembrane helices form an internal proton channel. Anall-trans retinal covalently links up via protonated Schiff base with K216 inside thechannel. Upon illumination, the retinal isomerization around the C<sub>13</sub>-C<sub>14</sub> double bond drivesprotons translocation through the channel from the cytoplasm into the medium, and
