Charge selectivity at the lipid-protein interface of membranous Na,K-ATPase.

  title={Charge selectivity at the lipid-protein interface of membranous Na,K-ATPase.},
  author={J R Brotherus and Patrick Jost and O. Hayes Griffith and John F. W. Keana and Lowell E. Hokin},
  journal={Proceedings of the National Academy of Sciences of the United States of America},
  volume={77 1},
Lipid interactions with the integral membrane protein Na,K-ATPase (ATP phosphohydrolase, EC purified from the electric organ of Electrophorus electricus were studied by spin labeling. A protein-associated component (boundary layer) in equilibrium with the fluid bilayer is clearly evident in the electron spin resonance spectra. The influence of charge on this equilibrium was determined by varying the head group of the lipid while maintaining the chain length and the position of the… CONTINUE READING


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