Kocurin
Kocurin (PM181104) is a thiazolyl cyclic-peptide antibiotic. Kocurin inhibits bacterial growth by impeding bacterial protein biosynthesis during the translation phase. Kocurin has strong inhibitory activity against Gram-positive bacteria, but no activity against fungi and Gram-negative bacteria.
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- No. CAS: 1374772-61-8
- Fòrmula: C69H66N18O13S5
- Peso molecular:1515.70
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Almacenamiento:
Please store the product under the recommended conditions in the Certificate of Analysis.
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Actividad biológica
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Chemical Information
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Actividad biológica
Descripciòn
In Vitro
Kocurin (24 h) inhibits S. aureus with MICs in the range of 0.008 to 2.048 μg/mL and an MIC90 value of 0.064 μg/mL[1].
Kocurin (24 h) inhibits S. epidermidis with MICs in the range of 0.008 to 1.024 μg/mL and an MIC90 value of 0.128 μg/mL[1].
Kocurin (24 h) inhibits VRE and VSE strains with MICs in the range of 0.004 to 1.024 μg/mL and an MIC90 value of 0.016 μg/mL[1].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only. Further protocols information, click here.
In Vivo
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Chemical Information
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No. CAS 1374772-61-8
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Peso molecular 1515.70
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Fòrmula C69H66N18O13S5
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Synonyms
PM181104; Baringolin
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Initial Source
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Envío
Room temperature in continental US; may vary elsewhere.
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Almacenamiento
Please store the product under the recommended conditions in the Certificate of Analysis.
Protocolo
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Aerobic Bacterial Batch Culture on Broth/Agar
Aerobic bacterial batch culture grows a closed inoculated population in broth or on agar without continuous medium replacement; growth readouts include turbidity/OD for total suspended biomass and colony-forming units for viable cells able to form colonies on agar. OD-based growth curves reflect light scattering by cells, but OD is instrument-, pathlength-, species-, cell-size-, and density-dependent, so OD should be calibrated or interpreted alongside viable counts when quantitative cell density is required.
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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.
Pureza y Documentación
Referencias
Calculators
Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
Kocurin Related Classifications
HY-W748000 Related Classifications
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