2mtm | pdb_00002mtm

NMR structure of RCB-1 peptide

spinqualitylabelsall models 2mtm Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 2mtm is a 1 chain structure with sequence from Ricinus communis. Full experimental information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: Solution NMR, 15 models Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function B9T5G6_RICCO Publication Abstract from PubMed The Ricinus communis biomarker peptides RCB-1 to -3 comprise homologous sequences of 19 (RCB-1) or 18 (RCB-2 and -3) amino acid residues. They all include four cysteine moieties, which form two disulfide bonds. However, neither the 3D structure nor the biological activity of any of these peptides is known. The synthesis of RCB-1, using microwave-assisted, Fmoc-based solid-phase peptide synthesis, and a method for its oxidative folding are reported. The tertiary structure of RCB-1, subsequently established using solution-state NMR, reveals a twisted loop fold with antiparallel beta-sheets reinforced by the two disulfide bonds. Moreover, RCB-1 was tested for antibacterial, antifungal, and cytotoxic activity, as well as in a serum stability assay, in which it proved to be remarkably stable. Synthesis, Structural Characterization, and Bioactivity of the Stable Peptide RCB-1 from Ricinus communis.,Boldbaatar D, Gunasekera S, El-Seedi HR, Goransson U J Nat Prod. 2015 Nov 25;78(11):2545-51. doi: 10.1021/acs.jnatprod.5b00463. Epub, 2015 Oct 28. PMID:26509914 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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