Photocycle of phoborhodopsin from haloalkaliphilic bacterium (Natronobacterium pharaonis) studied by low-temperature spectrophotometry.

@article{Hirayama1992PhotocycleOP,
  title={Photocycle of phoborhodopsin from haloalkaliphilic bacterium (Natronobacterium pharaonis) studied by low-temperature spectrophotometry.},
  author={Junichi Hirayama and Yasushi Imamoto and Yoshinori Shichida and Naoki Kamo and Hisao Tomioka and T{\^o}ru Yoshizawa},
  journal={Biochemistry},
  year={1992},
  volume={31 7},
  pages={2093-8}
}
Phoborhodopsin (pR) is the fourth retinal pigment of Halobacterium halobium and works as a photoreceptor for the negative phototactic response. A similar pigment was previously found in haloalkaliphilic bacterium (Natronbacterium pharaonis) and also works as the receptor of the negative phototactic response; this pigment is called pharaonis phoborhodopsin (ppR). In this paper, the photocycle of ppR was investigated by means of low-temperature spectrophotometry. The absorption maximum of ppR is… CONTINUE READING

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