Nested allostery in scorpion hemocyanin (Pandinus imperator).

  title={Nested allostery in scorpion hemocyanin (Pandinus imperator).},
  author={Heinz Decker},
  journal={Biophysical chemistry},
  volume={37 1-3},
The oxygen-binding behavior of the 24-meric hemocyanin of the scorpion Pandinus imperator and its dependence on allosteric effectors such as protons can be successfully described by the nesting model; the MWC model is not acceptable. The affinities of the four assumed conformations of the allosteric unit, the 12-meric half-molecule, are not dependent on pH whereas the three allosteric equilibrium constants decrease with decreasing proton concentration. Comparison with the oxygen-binding… CONTINUE READING

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