7osd | pdb_00007osd

NMR Solution Structure of Peptide 12: First-in-class cyclic Temporin L analogue with antibacterial and antibiofilm activities

spinqualitylabelsall models 7osd Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights Full experimental information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: Solution NMR, 10 models Ligands: DLE, NH2 Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Publication Abstract from PubMed The pharmacodynamic and pharmacokinetic properties of bioactive peptides can be modulated by introducing conformational constraints such as intramolecular macrocyclizations, which can involve either the backbone and/or side chains. Herein, we aimed at increasing the alpha-helicity content of temporin L, an isoform of an intriguing class of linear antimicrobial peptides (AMPs), endowed with a wide antimicrobial spectrum, by the employment of diverse side-chain tethering strategies, including lactam, 1,4-substituted [1,2,3]-triazole, hydrocarbon, and disulfide linkers. Our approach resulted in a library of cyclic temporin L analogues that were biologically assessed for their antimicrobial, cytotoxic, and antibiofilm activities, leading to the development of the first-in-class cyclic peptide related to this AMP family. Our results allowed us to expand the knowledge regarding the relationship between the alpha-helical character of temporin derivatives and their biological activity, paving the way for the development of improved antibiotic cyclic AMP analogues. First-in-Class Cyclic Temporin L Analogue: Design, Synthesis, and Antimicrobial Assessment.,Bellavita R, Casciaro B, Di Maro S, Brancaccio D, Carotenuto A, Falanga A, Cappiello F, Buommino E, Galdiero S, Novellino E, Grossmann TN, Mangoni ML, Merlino F, Grieco P J Med Chem. 2021 Jul 23. doi: 10.1021/acs.jmedchem.1c01033. PMID:34296619 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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