Vertebrate rhodopsin adaptation to dim light via rapid meta-II intermediate formation.

@article{Sugawara2010VertebrateRA,
  title={Vertebrate rhodopsin adaptation to dim light via rapid meta-II intermediate formation.},
  author={Tohru Sugawara and Hiroo Imai and Masato Nikaido and Yasushi Imamoto and Norihiro Okada},
  journal={Molecular biology and evolution},
  year={2010},
  volume={27 3},
  pages={506-19}
}
Rhodopsin is a photoreceptive protein present in vertebrate rod photoreceptor cells, which are responsible for scotopic vision. Recent molecular studies have shown that several aquatic vertebrate species have independently acquired rhodopsin containing Asp83Asn, Glu122Gln, and Ala292Ser substitutions, causing a blue shift in the rhodopsin absorption spectra for adaptation to the blue-green photic environment in deep water. Here, we provide new evidence for the evolutionary and functional… CONTINUE READING
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