Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.tet.2012.01.015
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dc.titleDesign, synthesis and structural analysis of mixed α/β-peptides that adopt stable cyclic hairpin-like conformations
dc.contributor.authorVan Der Knaap, M.
dc.contributor.authorOtero, J.M.
dc.contributor.authorLlamas-Saiz, A.
dc.contributor.authorVan Raaij, M.J.
dc.contributor.authorLageveen, L.I.
dc.contributor.authorBusscher, H.J.
dc.contributor.authorGrotenbreg, G.M.
dc.contributor.authorVan Der Marel, G.A.
dc.contributor.authorOverkleeft, H.S.
dc.contributor.authorOverhand, M.
dc.date.accessioned2016-09-06T08:19:00Z
dc.date.available2016-09-06T08:19:00Z
dc.date.issued2012-03-11
dc.identifier.citationVan Der Knaap, M., Otero, J.M., Llamas-Saiz, A., Van Raaij, M.J., Lageveen, L.I., Busscher, H.J., Grotenbreg, G.M., Van Der Marel, G.A., Overkleeft, H.S., Overhand, M. (2012-03-11). Design, synthesis and structural analysis of mixed α/β-peptides that adopt stable cyclic hairpin-like conformations. Tetrahedron 68 (10) : 2391-2400. ScholarBank@NUS Repository. https://doi.org/10.1016/j.tet.2012.01.015
dc.identifier.issn00404020
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/126717
dc.description.abstractThe strategic replacement of four α-amino acid residues of a cyclo-(ααααα) 2 peptide by β-, β 2- or β 3-amino acids residues provided a series of novel 2:1 α/β-mixed peptides that were designed to adopt cyclic hairpin-like structures. It was shown that conformationally stable cyclo-(αβαβα) 2 isomers can be obtained using both enantiomers of the central two basic α-amino acid residues, a known α-amino acid turn sequence and several combinations of facing β-amino acid residues with no side chain or a hydrophobic side chain having specific regio- and stereochemistry. The X-ray analysis of two derivatives provides molecular details of the intra-molecular hydrogen bonding interaction, dihedral angles of the backbone and side chain positioning of the novel cyclic hairpin-like structures. One of these isomers forms an unprecedented hexagon-shaped nano-channel assembly in the crystal structure. Well-defined cyclic hairpin-like structures as described here and derivatives that can be readily designed based on this research can be used as scaffolds onto which functional groups can be grafted in a spatially controlled manner and as β-hairpin mimics with specific biological properties. © 2012 Elsevier Ltd. All rights reserved.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1016/j.tet.2012.01.015
dc.sourceScopus
dc.subjectCyclic mixed α/β-peptides
dc.subjectH-bonding pattern
dc.subjectHairpin-like structure
dc.subjectNano-channels
dc.typeArticle
dc.contributor.departmentMICROBIOLOGY
dc.description.doi10.1016/j.tet.2012.01.015
dc.description.sourcetitleTetrahedron
dc.description.volume68
dc.description.issue10
dc.description.page2391-2400
dc.description.codenTETRA
dc.identifier.isiut000301400800022
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