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Effect of physiologic vs UV pathogenic stress on immunity reactions and tolerance, via immunocyte traffic and homing



Effect of physiologic vs UV pathogenic stress on immunity reactions and tolerance, via immunocyte traffic and homing



Biomedicine and PharmacoTherapy 54(5): 227-228



Crystal structure analysis of a model peptide: Boc-beta-Ala-Aib-beta-Ala-NHCH3 (beta-Ala: 3-amino propionic acid; Aib: alpha-aminoisobutyric acid) revealed distinct conformational preferences for folded [phi approximately 136 degrees, mu approximately -62 degrees, psi approximately 100 degrees] and semifolded [phi approximately 83 degrees, mu approximately -177 degrees, psi approximately -117 degrees] structures of the N-and C-terminus beta-Ala residues, respectively. The overall folded conformation is stabilized by unusual Ni...H-Ni+1 and nonconventional C-H...O intramolecular hydrogen bonding interactions.

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Accession: 034802405

Download citation: RISBibTeXText

PMID: 10917458

DOI: 10.1016/S0753-3322(00)80063-3


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