Linear oligopeptides. 56. Critical size for development of β-and α-helical structures of monodispersed homo-l-oligomethionines in the solid state |
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Authors: | C Toniolo GM Bonora M Mutter |
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Institution: | 1. Biopolymer Research Centre, C.N.R., Institute of Organic Chemistry, University of Padova, 35100 Padova, Italy;2. Institut für Organische Chemie der Universität, D-6500 Mainz, Germany |
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Abstract: | The infrared absorption properties of monodispersed, chemically and optically pure ‘amino-PEG’-bound linear homooligopeptides having the general formula , n = 1–15 and H2+(l-Met)nNHPEG, n = 1–14 have been investigated in the solid state. The critical sizes for development of the β-structure and α-helix (n = 3 and n = 13, respectively), and the effect, on the latter, of the solvent from which the solid samples are cast, have been established. |
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