Polymyxin S1
Polymyxin S1 is found in Bacillus Polymyxa RS-6 and is resistant to Gram-positive bacteria.
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- CAS No.: 63700-38-9
- Formule: C53H91N15O15
- Masse moléculaire:1178.38
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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
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Activité biologique
Description
Chemical Information
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CAS No. 63700-38-9
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Masse moléculaire 1178.38
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Formule C53H91N15O15
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SMILES
O=C(N[C@@H]([C@H](O)C)C(N[C@H](CO)C(N[C@H]1CCNC([C@@H](NC([C@@H](NC([C@@H](NC([C@@H](NC([C@H](NC([C@@H](NC1=O)CCN)=O)CC2=CC=CC=C2)=O)[C@@H](C)O)=O)CCN)=O)CCN)=O)[C@@H](C)O)=O)=O)=O)[C@@H](NC(CCCCC(CC)C)=O)CCN
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Sequence
6-Methyloctanoic acid-Dab-Thr-DSer-cyclo(Dab-Dab-DPhe-Thr-Dab-Dab-Thr)
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Structure Classification
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Initial Source
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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)
Polymyxin S1 Related Classifications
HY-N15119 Related Classifications
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