Optical studies of a bacterial photoreceptor protein, photoactive yellow protein, in single crystals.

@article{Ng1995OpticalSO,
  title={Optical studies of a bacterial photoreceptor protein, photoactive yellow protein, in single crystals.},
  author={K Ng and Elizabeth D. Getzoff and Keith Moffat},
  journal={Biochemistry},
  year={1995},
  volume={34 3},
  pages={879-90}
}
Photoactive yellow protein (PYP), isolated from Ectothiorhodospira halophila, is a water soluble, 14 kDa photoreceptor protein with a fully reversible photocycle resembling that of sensory rhodopsin II. We have established the presence of photoactivity in PYP crystals and defined the relaxation kinetics of spectroscopically distinguishable species in quantitative terms. The PYP crystal has a bright yellow color and displays pronounced anisotropic absorption properties. Linear dichroism… CONTINUE READING

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