Light-activated rhodopsin induces structural binding motif in G protein alpha subunit.

@article{Kisselev1998LightactivatedRI,
  title={Light-activated rhodopsin induces structural binding motif in G protein alpha subunit.},
  author={Oleg G. Kisselev and Jeffery Kao and Jay W. Ponder and Yang Cheng Fann and Narasimhan Gautam and Garland R. Marshall},
  journal={Proceedings of the National Academy of Sciences of the United States of America},
  year={1998},
  volume={95 8},
  pages={
          4270-5
        }
}
A large superfamily of transmembrane receptors control cellular responses to diverse extracellular signals by catalyzing activation of specific types of heterotrimeric GTP-binding proteins. How these receptors recognize and promote nucleotide exchange on G protein alpha subunits to initiate signal amplification is unknown. The three-dimensional structure of the transducin (Gt) alpha subunit C-terminal undecapeptide Gtalpha(340-350) IKENLKDCGLF was determined by transferred nuclear Overhauser… CONTINUE READING

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