lugdunin (1R,4R,7S,10R,13S,16R,19S)-7-[(1H-indol-3-yl)methyl]-10-(2-methylpropyl)-4,13,16,19-tetra(propan-2-yl)-21-thia-3,6,9,12,15,18,23-heptaazabicyclo[18.2.1]tricosane-2,5,8,11,14,17-hexone 782.451 783.038 A thiazolidine-containing homodetic cyclic peptide that is isolated from human nasal bacteria. Exhibits bactericidal activity against many major pathogens including methicillin-resistant Staphylococcus aureus (MRSA). C40H62N8O6S CHEBI:133127 InChI=1S/C40H62N8O6S/c1-19(2)15-27-35(50)45-31(21(5)6)38(53)47-32(22(7)8)39(54)48-33(23(9)10)40-44-29(18-55-40)36(51)46-30(20(3)4)37(52)43-28(34(49)42-27)16-24-17-41-26-14-12-11-13-25(24)26/h11-14,17,19-23,27-33,40-41,44H,15-16,18H2,1-10H3,(H,42,49)(H,43,52)(H,45,50)(H,46,51)(H,47,53)(H,48,54)/t27-,28+,29+,30-,31+,32-,33+,40?/m1/s1 O=C1[C@H](NC([C@@H](NC([C@@H](CC(C)C)NC(=O)[C@@H](NC([C@@H](C(C)C)NC(=O)[C@@H]2CSC(N2)[C@H](C(C)C)N1)=O)CC=3C=4C=CC=CC4NC3)=O)C(C)C)=O)C(C)C PMID:27466123 QZNGYMKAHFFKCJ-ZBQZSICZSA-N Wikipedia:Lugdunin chebi_ontology homodetic cyclic peptide indoles peptide antibiotic thiazolidines macrocycle