Monovalent cation transport: lack of structural deformation upon cation binding.

@article{Tian1996MonovalentCT,
  title={Monovalent cation transport: lack of structural deformation upon cation binding.},
  author={Fang Tian and Kelvin Chee-Mun Lee and Weixiao Hu and Timothy A. Cross},
  journal={Biochemistry},
  year={1996},
  volume={35 37},
  pages={11959-66}
}
Cations often deform the structure of regulatory proteins to affect a functional response, but for other protein functions a more passive effect is desired. For instance, it is shown here that in the conductance of Na+ by the gramicidin channel there appears to be no significant structural deformation of either the side chains or backbone upon Na+ binding in the channel. This is based on 15N and 13C chemical shifts, 2H quadrupolar interactions, and 15N-2H dipolar interactions obtained by solid… CONTINUE READING

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