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Interactions of the Isolated Spectrin Polypeptides (Bands 1 and 2) with Phospholipid Monolayers

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Schubert,  Dieter
Department of Cell Physiology, Max Planck Institute of Biophysics, Max Planck Society;

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Herbst,  Franz
Department of Cell Physiology, Max Planck Institute of Biophysics, Max Planck Society;

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Marie,  Hannelore
Department of Cell Physiology, Max Planck Institute of Biophysics, Max Planck Society;

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Rudloff,  Victor
Department of Cell Physiology, Max Planck Institute of Biophysics, Max Planck Society;

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Citation

Schubert, D., Herbst, F., Marie, H., & Rudloff, V. (1982). Interactions of the Isolated Spectrin Polypeptides (Bands 1 and 2) with Phospholipid Monolayers. In H. Peeters (Ed.), Protides of the Biological Fluids (pp. 121-124). Oxford and New York: Pergamon Pess. doi:10.1016/B978-0-08-027988-6.50029-X.


Cite as: http://hdl.handle.net/21.11116/0000-0007-DE23-8
Abstract
Bands 1 and 2, the subunits of the spectrin complex of the human erythrocyte membrane, were injected into the subphase of phospholipid monolayers at the airwater interface, and the changes Δπ in monolayer surface pressure induced by the proteins were measured. It was found that ΔΠ is distinctly higher for band 2 than for band 1 with negatively charged lipids but of similar magnitude with those not bearing electrical net charge.