Actagardin
Actagardin is a tetracyclic lantibiotic produced by several species of Actinoplanes. It is composed of macrocyclic rings formed by thioether bridges. Actagardin preferably targets Gram-positive bacteria, inhibiting the synthesis of peptidoglycan.
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- CAS No.: 59165-34-3
- Formule: C81H124N20O24S4
- Masse moléculaire:1890.23
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Stockage:
Please store the product under the recommended conditions in the Certificate of Analysis.
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Activité biologique
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Chemical Information
- Protocole
- Pureté et documentation
- Références
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Help & FAQs
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Activité biologique
Description
Chemical Information
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CAS No. 59165-34-3
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Masse moléculaire 1890.23
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Formule C81H124N20O24S4
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Synonyms
Antibiotic A 3802-IV-3; Gardimycin
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Sequence
{Cys}{Ser}{Gly}{Trp}{Val}{Cys}{Cys}{Leu}{Cys}{Ile}{Cys}{Gly}{Cys}{Val}{Ile}{Cys}{Ala}{Cys} (Carba sulfide bridge:Cys1-Cys6,Cys7-Cys12,Cys9-Cys17,Cys14-Cys19)
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Sequence Shortening
CSGWVCCLCICGCVICAC (Carba sulfide bridge:Cys1-Cys6,Cys7-Cys12,Cys9-Cys17,Cys14-Cys19)
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Livraison
Room temperature in continental US; may vary elsewhere.
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Stockage
Please store the product under the recommended conditions in the Certificate of Analysis.
Protocole
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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.
Pureté et documentation
Références
Calculators
Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
Actagardin Related Classifications
HY-P2331 Related Classifications
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