Siamycin I
Siamycin I (BMY-29304), a 21-residue tricyclic peptide, is a secondary metabolite in actinomycetes. Siamycin I is a HIV fusion inhibitor with ED50s of 0.05 to 5.7 μM for acute HIV type 1 (HIV-1) and HIV-2 infections. Siamycin I inhibits the gelatinase and gelatinase biosynthesis-activating pheromone (GBAP) signaling via the FsrC-FsrA two-component regulatory system in a noncompetitive manner. Siamycin I suppresses the expression of both fsrBDC and gelE-sprE transcripts. Siamycin I, a lasso peptide, interacts with lipid II and inhibits cell wall biosynthesis. Siamycin I, an antibiotic, has the potential for enterococcal infections research.
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- CAS 番号: 164802-68-0
- 分子式: C97H131N23O26S4
- 分子量:2163.48
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保管条件:
Please store the product under the recommended conditions in the Certificate of Analysis.
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製品説明
IC50 & Target
[4]|
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体外実験
Siamycin I slightly inhibits the growth of E. faecalis at a concentration of 1 μM (80% growth 5 h after inoculation) and completely inhibits the growth at a concentration of 5 μM (no growth 12 h after inoculation)[3].
siamycin I (0-1 μM; 24 h) slightly inhibits biofilm formation at a concentration of 0.25 μM, and the inhibitory effect is marked at concentrations higher than 0.5 μM[3].
Siamycin I inhibits fusion between C8166 cells and CEM-SS cells chronically infected with HIV (ED50=0.08 μM) but has no effect on Sendai virus-induced fusion or murine myoblast fusion[4].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
化学情報
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CAS 番号 164802-68-0
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分子量 2163.48
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分子式 C97H131N23O26S4
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別名
BMY-29304
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輸送条件
Room temperature in continental US; may vary elsewhere.
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保管条件
Please store the product under the recommended conditions in the Certificate of Analysis.
純度とドキュメンテーション
参考文献
[1]. Pikyee Ma, et al. Anti-HIV siamycin I directly inhibits autophosphorylation activity of the bacterial FsrC quorum sensor and other ATP-dependent enzyme activities. FEBS Lett. 2011 Sep 2;585(17):2660-4. [Content Brief]
[2]. Stephanie Tan, et al. The Lasso Peptide Siamycin-I Targets Lipid II at the Gram-Positive Cell Surface. ACS Chem Biol. 2019 May 17;14(5):966-974. [Content Brief]
[3]. Jiro Nakayama, et al. Siamycin attenuates fsr quorum sensing mediated by a gelatinase biosynthesis-activating pheromone in Enterococcus faecalis. J Bacteriol. 2007 Feb;189(4):1358-65. [Content Brief]
[4]. M Tsunakawa, et al. Siamycins I and II, new anti-HIV peptides: I. Fermentation, isolation, biological activity and initial characterization. J Antibiot (Tokyo). 1995 May;48(5):433-4. [Content Brief]
Calculators
濃度 (開始) × 体積 (開始) = 濃度 (終了) × 体積 (終了)
Siamycin I 関連分類
HY-P2200 関連分類
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