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Dimer delivers pinpoint recognition
The host molecule forms an assembly that in the presence of two different guest molecule types, selectively binds one type at a capsule binding site in the middle, and the other in the cavitands at each end © Angew. Chem. Int. Ed.
US researchers have synthesised a supramolecular host system that provides novel selective recognition of two different guest molecule types without cross-over or interference.
Julius Rebek's group at the Scripps Research Institute in La Jolla, California, were inspired by biological systems featuring separate binding compartments connected by a means of intercommunication. 'Any allosteric enzyme has two binding sites with conformational changes transmitting the communication between them,' explains Rebek. 'On a larger, organelle level, proton pumps communicate between Golgi bodies and mitochondria. More...
http://www.rsc.org/chemistryworld/News/2011/January/24011101.asp
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