Leucanicidin
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| Category | Bioactive by-products |
| Catalog number | BBF-04265 |
| CAS | 91021-66-8 |
| Molecular Weight | 783.00 |
| Molecular Formula | C42H70O13 |
| Purity | >95% by HPLC |
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Description
It is produced by the strain of Streptomyces. It is a potent nematocide and insecticide belonging to the bafilomycin class. It also has anti-fungal properties.
Specification
| Synonyms | (3Z,5E,7R,8S,9S,11E,13E,15S,16R)-16-[(1S,2R,3S)-3-[(2R,4R,5S,6R)-4-[(6-deoxy-2-O-methyl-α-L-mannopyranosyl)oxy]tetrahydro-2-hydroxy-5-methyl-6-(1-methylethyl)-2H-pyran-2-yl]-2-hydroxy-1-methylbutyl]-8-hydroxy-3,15-dimethoxy-5,7,9,11-tetramethyl-oxacyclohexadeca-3,5,11,13-tetraen-2-one; 21-O-De(3-carboxy-1-oxo-2-propenyl)-2-demethyl-21-O-(6-deoxy-2-O-methyl-α-L-mannopyranosyl)-2-methoxy-24-methylhygrolidin |
| Storage | Store at -20°C |
| IUPAC Name | (3E,5Z,7R,8S,9S,11Z,13Z,15S,16R)-16-[(2S,3R,4S)-4-[(2R,4R,5S,6R)-4-[(2R,3R,4R,5R,6S)-4,5-dihydroxy-3-methoxy-6-methyloxan-2-yl]oxy-2-hydroxy-5-methyl-6-propan-2-yloxan-2-yl]-3-hydroxypentan-2-yl]-8-hydroxy-3,15-dimethoxy-5,7,9,11-tetramethyl-1-oxacyclohexadeca-3,5,11,13-tetraen-2-one |
| Canonical SMILES | CC1CC(=CC=CC(C(OC(=O)C(=CC(=CC(C1O)C)C)OC)C(C)C(C(C)C2(CC(C(C(O2)C(C)C)C)OC3C(C(C(C(O3)C)O)O)OC)O)O)OC)C |
| InChI | InChI=1S/C42H70O13/c1-21(2)37-26(7)32(53-41-39(51-13)36(46)35(45)29(10)52-41)20-42(48,55-37)28(9)34(44)27(8)38-30(49-11)16-14-15-22(3)17-24(5)33(43)25(6)18-23(4)19-31(50-12)40(47)54-38/h14-16,18-19,21,24-30,32-39,41,43-46,48H,17,20H2,1-13H3/b16-14-,22-15-,23-18-,31-19+/t24-,25+,26-,27-,28-,29-,30-,32+,33-,34+,35-,36+,37+,38+,39+,41-,42+/m0/s1 |
| InChI Key | KFLYTTUTONVURR-HFJCOUPESA-N |
| Source | Streptomyces sp. |
Properties
| Appearance | White to Off-white Solid |
| Antibiotic Activity Spectrum | Fungi; Parasites |
| Boiling Point | 873.8°C at 760 mmHg |
| Melting Point | 130-132°C |
| Density | 1.18 g/cm3 |
| Solubility | Soluble in Chloroform, Ether, Hexane |
Reference Reading
1. Leucanicidin and Endophenasides Result from Methyl-Rhamnosylation by the Same Tailoring Enzymes in Kitasatospora sp. MBT66
Marnix H Medema, Gilles P van Wezel, Young Hae Choi, Pieter C Dorrestein, Changsheng Wu, Rianne M Läkamp, Le Zhang ACS Chem Biol . 2016 Feb 19;11(2):478-90. doi: 10.1021/acschembio.5b00801.
The increasing bacterial multidrug resistance necessitates novel drug-discovery efforts. One way to obtain novel chemistry is glycosylation, which is prevalent in nature, with high diversity in both the sugar moieties and the targeted aglycones. Kitasatospora sp. MBT66 produces endophenaside antibiotics, which is a family of (methyl-)rhamnosylated phenazines. Here we show that this strain also produces the plecomacrolide leucanicidin (1), which is derived from bafilomycin A1 by glycosylation with the same methyl-rhamnosyl moiety as present in the endophenasides. Immediately adjacent to the baf genes for bafilomycin biosynthesis lie leuA and leuB, which encode a sugar-O-methyltransferase and a glycosyltransferase, respectively. LeuA and LeuB are the only enzymes encoded by the genome of Kitasatospora sp. MBT66 that are candidates for the methyl-rhamnosylation of natural products, and mutation of leuB abolished glycosylation of both families of natural products. Thus, LeuA and -B mediate the post-PKS methyl-rhamnosylation of bafilomycin A1 to leucanicidin and of phenazines to endophenasides, showing surprising promiscuity by tolerating both macrolide and phenazine skeletons as the substrates. Detailed metabolic analysis by MS/MS based molecular networking facilitated the characterization of nine novel phenazine glycosides 6-8, 16, and 22-26, whereby compounds 23 and 24 represent an unprecedented tautomeric glyceride phenazine, further enriching the structural diversity of endophenasides.
2. Bafilolides, potent inhibitors of the motility and development of the free-living stages of parasitic nematodes
E Lacey, M L Power, J M Rothschild, R W Rickards, M G O'Shea, J H Gill Int J Parasitol . 1995 Mar;25(3):349-57. doi: 10.1016/0020-7519(94)00082-y.
Three Streptomyces isolates were identified as producing macrolide antibiotics of the bafilomycin or leucanicidin types during an evaluation of Australian actinomyces for the production of inhibitors of larval development in the parasitic nematode, Haemonchus contortus. Bafilomycins A1, B1, C1, and D were obtained from culture A239 and the 2-O-methyl-L-rhamnosyl derivative of bafilomycin A1, leucanicidin, from cultures A223 and A240. All these 'bafilolides' gave similar patterns of inhibition typified by an initial paralysis of newly hatched L1 larvae and a lethal toxicity within 24 h. LD50 values for inhibition of larval development of McMaster H. contortus ranged from 0.23 micrograms ml-1 for leucanicidin to 2.5 micrograms ml-1 for bafilomycin D. The bafilolides had broad spectrum nematocidal activity, being equi-potent as inhibitors of H. contortus, Trichostrongylus colubriformis and Ostertagia circumcincta larval development. Further, all bafilolides caused some inhibition of H. contortus L3 motility, with the semi-synthetic analogue, bafilomycin B2, the most potent inhibitor (LP50 against McMaster H. contortus 1.9 microgram ml-1). Nematode strains resistant to the known benzimidazole, levamisole and avermectin anthelmintics showed no cross resistance to the bafilolides, supporting the hypothesis that the bafilolides act by an independent mechanism.
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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 ╳
