Polyketomycin
Polyketomycin is a tetracyclic quinone glycoside antibiotic isolated from Streptomyces sp. or Streptomyces diastatochromogenes. Polyketomycin inhibits growth of Gram-positive bacteria, and its MIC values is less than 0.2 µg/mL. Polyketomycin has antibacterial, anticancer, antimalarial activities.
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- CAS 番号: 200625-47-4
- 分子式: C44H48O18
- 分子量:864.84
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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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生物活性
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化学情報
- プロトコル
- 純度とドキュメンテーション
- 参考文献
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Help & FAQs
生物活性
製品説明
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Plasmodium |
Traditional Cytotoxic Agents |
体外実験
Polyketomycin exhibits growth inhibition against L1210 leukemia, EL-4 leukemia, P388 leukemia, Ehrlich carcinoma, IMC carcinoma, colon 26 adnocarcinoma, Meth A fibrosarcoma, FS-3 fibrosarcoma and B16-BL10 melanoma with IC50 values of 3.3 μg/mL, 2.1 μg/mL, 5.2 μg/mL, 1 μg/mL, 0.9 μg/mL, 1.8 μg/mL, 2.4 μg/mL, 1.5 μg/mL and 1.6 μg/mL, respectively[1].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only. Further protocols information, click here.
体内実験
化学情報
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CAS 番号 200625-47-4
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分子量 864.84
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分子式 C44H48O18
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SMILES
O[C@]1([C@@H]2O[C@]3([H])O[C@@H]([C@@H](O[C@@]4([H])C[C@@](O)([C@H](OC(C5=C(C(C)=CC=C5C)O)=O)[C@H](C)O4)C)CC3)C)[C@](C(C6=C(C(C)=C7C(C(C=C(OC)C7=O)=O)=C6O)C1)=O)(C(/C(C2=O)=C(O)\C)=O)O
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Structure Classification
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Initial Source
Streptomyces sp. MK277-AF1
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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.
プロトコル
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Research Protocol for Infectious Diseases
Infectious-disease experiments test how pathogens interact with host barriers, innate immune receptors, inflammatory signaling, pathogen replication, and tissue injury; pattern-recognition receptors such as TLRs, RIG-I-like receptors, NOD-like receptors, and inflammasomes detect microbial molecules and activate NF-κB, interferon, and cytokine responses. The central hypothesis is that infection severity reflects the balance between pathogen burden and host response: protective inflammation restricts pathogen growth, whereas excessive or mislocalized inflammation contributes to tissue damage and disease phenotype. Unresolved questions include which host pathways are protective versus pathogenic, why some infection models fail to translate to human disease, and which combined readouts best predict clinically relevant infection outcomes.
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Gram Staining of Tissue Sections
Gram staining of tissue sections is a histochemical technique used to differentiate Gram-positive and Gram-negative bacteria within histological specimens based on differences in bacterial cell wall structure and dye retention, adapted from classical bacteriological Gram staining into tissue-compatible “histological Gram stain” variants. In tissue applications, modifications of the Brown-Hopps and Brown-Brenn methods are commonly used to improve differentiation of microorganisms embedded within host connective tissue and to reduce overstaining or loss of Gram-negative signal, which are known limitations of earlier approaches. The principle relies on crystal violet-iodine complex retention in Gram-positive organisms and subsequent decolorization and counterstaining steps that allow contrast visualization of Gram-negative organisms against tissue background.
純度とドキュメンテーション
参考文献
[1]. Momose I, et al. Polyketomycin, a new antibiotic from Streptomyces sp. MK277-AF1. I. Taxonomy, production, isolation, physico-chemical properties and biological activities. J Antibiot (Tokyo). 1998 Jan;51(1):21-5. [Content Brief]
[2]. Daum M, et al. Organisation of the biosynthetic gene cluster and tailoring enzymes in the biosynthesis of the tetracyclic quinone glycoside antibiotic polyketomycin. Chembiochem. 2009 Apr 17;10(6):1073-83. [Content Brief]
[3]. Otoguro K, In vitro antimalarial activities of the microbial metabolites. J Antibiot (Tokyo). 2003 Mar;56(3):322-4. [Content Brief]
Calculators
濃度 (開始) × 体積 (開始) = 濃度 (終了) × 体積 (終了)
Polyketomycin 関連分類
HY-106338 関連分類
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