Record Information
Version2.0
StatusDetected and Quantified
Creation Date2021-05-15 17:45:18 UTC
Update Date2025-10-07 16:07:49 UTC
Metabolite IDMMDBc0028116
Metabolite Identification
Common NameAcinetodin
DescriptionAcinetodin is a lasso peptide, a unique class of cyclic peptides characterized by their intricate knot-like structure. This compound, along with klebsidin, is produced by human isolates of Acinetobacter gyllenbergii and Klebsiella pneumoniae, as demonstrated through bioinformatic predictions and structural validation (PMID:28106375 ). The chemical structure of acinetodin features a looped backbone with a tail that threads through, forming a stable knot, which is essential for its biological activity. Acinetodin functions primarily as an inhibitor of RNA polymerase, specifically targeting transcription elongation in Escherichia coli, despite showing no sequence similarity to other known lasso peptides like microcin J25 (PMID:28106375 ). Notably, acinetodin's inability to permeate wild-type E. coli distinguishes it from microcin J25, suggesting a potential limitation in its bioavailability or mode of action (PMID:28106375 ). This highlights the complex interplay between its chemical structure and biological function, providing insight into the mechanisms of transcription regulation and the potential for developing novel antimicrobial strategies.
Structure
SynonymsNot Available
Molecular FormulaC92H125N21O27
Average Mass1957.132
Monoisotopic Mass1955.905377849
IUPAC Name4-{[2-({2-[(2-{[2-({[20-(4-aminobutyl)-6-benzyl-3-(butan-2-yl)-1,4,7,12,15,18,21-heptahydroxy-24-oxo-3H,6H,9H,10H,11H,14H,17H,20H,23H,24H,26H,27H,28H,28aH-pyrrolo[2,1-i]1,4,7,10,13,16,19,22-octaazacyclohexacosan-9-yl](hydroxy)methylidene}amino)-1,3-dihydroxybutylidene]amino}-1-hydroxy-3-(1H-indol-3-yl)propylidene)amino]-1-hydroxy-3-methylbutylidene}amino)-1,3-dihydroxybutylidene]amino}-4-({[(1-{[1-({1-[(carboxymethyl)-C-hydroxycarbonimidoyl]-2-(4-hydroxyphenyl)ethyl}-C-hydroxycarbonimidoyl)-2-(4-hydroxyphenyl)ethyl]-C-hydroxycarbonimidoyl}-2-(C-hydroxycarbonimidoyl)ethyl)-C-hydroxycarbonimidoyl]methyl}-C-hydroxycarbonimidoyl)butanoic acid
Traditional Name4-{[2-({2-[(2-{[2-({[20-(4-aminobutyl)-6-benzyl-1,4,7,12,15,18,21-heptahydroxy-24-oxo-3-(sec-butyl)-3H,6H,9H,10H,11H,14H,17H,20H,23H,26H,27H,28H,28aH-pyrrolo[2,1-i]1,4,7,10,13,16,19,22-octaazacyclohexacosan-9-yl](hydroxy)methylidene}amino)-1,3-dihydroxybutylidene]amino}-1-hydroxy-3-(1H-indol-3-yl)propylidene)amino]-1-hydroxy-3-methylbutylidene}amino)-1,3-dihydroxybutylidene]amino}-4-{[({1-[(1-{[1-(carboxymethyl-C-hydroxycarbonimidoyl)-2-(4-hydroxyphenyl)ethyl]-C-hydroxycarbonimidoyl}-2-(4-hydroxyphenyl)ethyl)-C-hydroxycarbonimidoyl]-2-(C-hydroxycarbonimidoyl)ethyl}-C-hydroxycarbonimidoyl)methyl]-C-hydroxycarbonimidoyl}butanoic acid
CAS Registry NumberNot Available
SMILES
CCC(C)C1N=C(O)C2CCCN2C(=O)CN=C(O)C(CCCCN)N=C(O)CN=C(O)CN=C(O)CCC(N=C(O)C(CC2=CC=CC=C2)N=C1O)C(O)=NC(C(C)O)C(O)=NC(CC1=CNC2=CC=CC=C12)C(O)=NC(C(C)C)C(O)=NC(C(C)O)C(O)=NC(CCC(O)=O)C(O)=NCC(O)=NC(CC(O)=N)C(O)=NC(CC1=CC=C(O)C=C1)C(O)=NC(CC1=CC=C(O)C=C1)C(O)=NCC(O)=O
InChI Identifier
InChI=1S/C92H125N21O27/c1-7-48(4)77-90(138)107-64(36-51-16-9-8-10-17-51)84(132)103-61(30-32-69(119)96-42-70(120)97-43-71(121)101-59(20-13-14-34-93)80(128)99-45-73(123)113-35-15-21-67(113)88(136)110-77)83(131)111-78(49(5)114)92(140)108-65(39-54-41-95-58-19-12-11-18-57(54)58)87(135)109-76(47(2)3)89(137)112-79(50(6)115)91(139)104-60(31-33-74(124)125)81(129)98-44-72(122)102-66(40-68(94)118)86(134)106-63(38-53-24-28-56(117)29-25-53)85(133)105-62(82(130)100-46-75(126)127)37-52-22-26-55(116)27-23-52/h8-12,16-19,22-29,41,47-50,59-67,76-79,95,114-117H,7,13-15,20-21,30-40,42-46,93H2,1-6H3,(H2,94,118)(H,96,119)(H,97,120)(H,98,129)(H,99,128)(H,100,130)(H,101,121)(H,102,122)(H,103,132)(H,104,139)(H,105,133)(H,106,134)(H,107,138)(H,108,140)(H,109,135)(H,110,136)(H,111,131)(H,112,137)(H,124,125)(H,126,127)
InChI KeyFZIYBBAIZQGTHJ-UHFFFAOYSA-N