Napsamycin C
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| Category | Antibiotics |
| Catalog number | BBF-01998 |
| CAS | 144379-26-0 |
| Molecular Weight | 854.92 |
| Molecular Formula | C39H50N8O12S |
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Description
Napsamycin C is an antibiotic produced by Str.sp. HIL Y-82, 11372. It has antibacterial activity against Pseudomonas aeruginosa and other pseudomonas, but has weak antibacterial activity against other Gram-positive and negative bacteria.
Specification
| IUPAC Name | 2-[[1-[[1-[[(Z)-[5-(2,4-dioxo-1,3-diazinan-1-yl)-4-hydroxyoxolan-2-ylidene]methyl]amino]-3-[(6-hydroxy-1,2,3,4-tetrahydroisoquinoline-3-carbonyl)-methylamino]-1-oxobutan-2-yl]amino]-4-methylsulfanyl-1-oxobutan-2-yl]carbamoylamino]-3-(3-hydroxyphenyl)propanoic acid |
| Canonical SMILES | CC(C(C(=O)NC=C1CC(C(O1)N2CCC(=O)NC2=O)O)NC(=O)C(CCSC)NC(=O)NC(CC3=CC(=CC=C3)O)C(=O)O)N(C)C(=O)C4CC5=C(CN4)C=CC(=C5)O |
| InChI | InChI=1S/C39H50N8O12S/c1-20(46(2)35(54)28-16-23-15-25(49)8-7-22(23)18-40-28)32(34(53)41-19-26-17-30(50)36(59-26)47-11-9-31(51)44-39(47)58)45-33(52)27(10-12-60-3)42-38(57)43-29(37(55)56)14-21-5-4-6-24(48)13-21/h4-8,13,15,19-20,27-30,32,36,40,48-50H,9-12,14,16-18H2,1-3H3,(H,41,53)(H,45,52)(H,55,56)(H2,42,43,57)(H,44,51,58)/b26-19- |
| InChI Key | MFEPAAMYDYMBSN-XHPQRKPJSA-N |
Properties
| Appearance | White Powder |
| Antibiotic Activity Spectrum | Gram-negative bacteria |
| Melting Point | >190°C (dec.) |
| Density | 1.452 g/cm3 |
Reference Reading
1. Identification of a napsamycin biosynthesis gene cluster by genome mining
Leonard Kaysser, Xiaoyu Tang, Emmanuel Wemakor, Katharina Sedding, Susanne Hennig, Stefanie Siebenberg, Bertolt Gust Chembiochem. 2011 Feb 11;12(3):477-87. doi: 10.1002/cbic.201000460. Epub 2010 Dec 29.
Napsamycins are potent inhibitors of bacterial translocase I, an essential enzyme in peptidoglycan biosynthesis, and are classified as uridylpeptide antibiotics. They comprise an N-methyl diaminobutyric acid, an ureido group, a methionine and two non-proteinogenic aromatic amino acid residues in a peptide backbone that is linked to a 5'-amino-3'-deoxyuridine by an unusual enamide bond. The napsamycin gene cluster was identified in Streptomyces sp. DSM5940 by using PCR probes from a putative uridylpeptide biosynthetic cluster found in S. roseosporus NRRL15998 by genome mining. Annotation revealed 29 hypothetical genes encoding for resistance, regulation and biosynthesis of the napsamycins. Analysis of the gene cluster indicated that the peptide core structure is assembled by a nonlinear non-ribosomal peptide synthetase (NRPS)-like mechanism that involves several discrete single or didomain proteins. Some genes could be assigned, for example, to the synthesis of the N-methyl diaminobutyric acid, to the generation of m-tyrosine and to the reduction of the uracil moiety. The heterologous expression of the gene cluster in Streptomyces coelicolor M1154 resulted in the production of napsamycins and mureidomycins as demonstrated by LC-ESI-MS and MS/MS analysis. The napsamycin gene cluster provides a molecular basis for the detailed study of the biosynthesis of this class of structurally unusual compounds.
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Bio Calculators
* Our calculator is based on the following equation:
Concentration (start) x Volume (start) = Concentration (final) x Volume (final)
It is commonly abbreviated as: C1V1 = C2V2
* Total Molecular Weight:
g/mol
Tip: Chemical formula is case sensitive. C22H30N4O √ c22h30n40 ╳
