A selective heteromeric supramolecular assembly process is devised to create functional single channels of altered ion conductance, charge selectivity, and rectification. The hollow transmembrane tubular structure produced spontaneously from the self-assembly of cyclic-d,l-alpha-peptides in lipid bilayers is modified by designer cyclic peptide "cap" subunits that bind site-selectively at the mouth of the channel assembly.
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Sánchez‐Quesada et al. (2002) studied this question.
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