Abstract
The structure of the pore form of gramicidin has been determined at high resolution by X-ray crystallographic analysis of a gramicidin/cesium chloride complex. Not only do the conformations of the polypeptide backbone and side chains make clear how this molecule can form a pore, but the presence of ions in the structure also reveals the nature of the ligand-polypeptide interactions. A number of solvent molecules are visible in the pore and knowledge of their relationship to the ions forms a basis for understanding ion translocation.
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Wallace, B.A., Ravikumar, K. (1988). The Gramicidin Pore: Crystal Structure of a Gramicidin/Cesium Chloride Complex. In: Pullman, A., Jortner, J., Pullman, B. (eds) Transport Through Membranes: Carriers, Channels and Pumps. The Jerusalem Symposia on Quantum Chemistry and Biochemistry, vol 21. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-3075-9_8
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DOI: https://doi.org/10.1007/978-94-009-3075-9_8
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