Record Information
Version2.0
StatusDetected and Quantified
Creation Date2021-05-15 03:09:39 UTC
Update Date2025-10-07 16:05:50 UTC
Metabolite IDMMDBc0011224
Metabolite Identification
Common NameMoiramide B
DescriptionMoiramide B is a peptide-polyketide hybrid belonging to the chemical class of diketopiperazines, derived from bacterial sources. This compound exhibits significant antibiotic activity, particularly as an inhibitor of the carboxyltransferase component of acetyl-CoA carboxylase, a crucial enzyme in fatty acid synthesis. Moiramide B demonstrates strong antibacterial effects against gram-positive bacteria such as Bacillus subtilis, while showing weaker activity against gram-negative bacteria (PMID:36883965 ). Its structural uniqueness includes an unsaturated diketopiperazine framework, which presents challenges for optimization due to the narrow structure-activity relationship of its pseudopeptide unit (PMID:36883965 ). The compound has been the subject of various studies, including the synthesis of derivatives aimed at enhancing its biological activity (PMID:38864222 ). Notably, moiramide B is part of a select group of natural products that inhibit bacterial growth by targeting the Acyl Carrier Protein (ACP) system, alongside other compounds like andrimid and thailandamide (PMID:29975047 ). Structural studies have further elucidated its mechanism of action, providing insights into its binding interactions with bacterial enzymes (PMID:27471863 ).
Structure
SynonymsNot Available
Molecular FormulaC25H31N3O5
Average Mass453.539
Monoisotopic Mass453.22637111
IUPAC Name(2E,4E)-N-[(1S)-2-{[(2S)-1-[(3R,4S)-5-hydroxy-4-methyl-2-oxo-3,4-dihydro-2H-pyrrol-3-yl]-3-methyl-1-oxobutan-2-yl]-C-hydroxycarbonimidoyl}-1-phenylethyl]hexa-2,4-dienimidic acid
Traditional Name(2E,4E)-N-[(1S)-2-{[(2S)-1-[(3R,4S)-5-hydroxy-4-methyl-2-oxo-3,4-dihydropyrrol-3-yl]-3-methyl-1-oxobutan-2-yl]-C-hydroxycarbonimidoyl}-1-phenylethyl]hexa-2,4-dienimidic acid
CAS Registry NumberNot Available
SMILES
[H]\C(C)=C(\[H])/C(/[H])=C(\[H])C(O)=N[C@@]([H])(CC(O)=N[C@@]([H])(C(C)C)C(=O)[C@]1([H])C(=O)N=C(O)[C@@]1([H])C)C1=CC=CC=C1
InChI Identifier
InChI=1S/C25H31N3O5/c1-5-6-8-13-19(29)26-18(17-11-9-7-10-12-17)14-20(30)27-22(15(2)3)23(31)21-16(4)24(32)28-25(21)33/h5-13,15-16,18,21-22H,14H2,1-4H3,(H,26,29)(H,27,30)(H,28,32,33)/b6-5+,13-8+/t16-,18-,21+,22-/m0/s1
InChI KeyWMLLJSBRSSYYPT-PQUJRENYSA-N