X-ray structure of sensory rhodopsin II at 2.1-A resolution.

  title={X-ray structure of sensory rhodopsin II at 2.1-A resolution.},
  author={Antoine Royant and P. Nollert and Karl Edman and Richard Neutze and Ehud M. Landau and Eva Pebay-Peyroula and Javier Lorenzo Navarro},
  journal={Proceedings of the National Academy of Sciences of the United States of America},
  volume={98 18},
Sensory rhodopsins (SRs) belong to a subfamily of heptahelical transmembrane proteins containing a retinal chromophore. These photoreceptors mediate the cascade of vision in animal eyes and phototaxis in archaebacteria and unicellular flagellated algae. Signal transduction by these photoreceptors occurs by means of transducer proteins. The two archaebacterial sensory rhodopsins SRI and SRII are coupled to the membrane-bound HtrI and HtrII transducer proteins. Activation of these proteins… CONTINUE READING


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