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试剂描述:

产品名称:铵离子载体 I

产品别名:

CAS号:6833-84-7

英文别名:铵离子载体 I

分子量:736.93

分子式:C₄₀H₆₄O₁₂

纯度:>98%

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保存方法:Store at -20° C

描述:Nonactin is a cyclic ionophore and part of the macrotetrolide antibiotics family. The ionophore is commonly produced by several species of Streptomyces which selectively binds K⁺ and NH₄⁺. Nonactin has been recorded to function by binding a metal ionophore and transporting it across cell membranes for release. The compound can functionally perform this transport due to its conformational flexibility and hydrophobic exterior. The compound forms a natural diastereomer which is required for its antibacterial and binding capacities.

At a concentration of 1x10^-7 M Nonactin uncoupled oxidative phosphorylation and induced ATP hydrolysis. The compound has been observed to specifically inhibit the processing of cytoplasmic precursor proteins destined for the mitochondria. In the presence of Thallus acetate, Nonactin has further stimulated the swelling of rat liver mitochondria than thallus acetate alone. It also has inhibited the effects on P170 glycoprotein-mediated efflux of chemotherapeutic agents in MDR cancer cells. Nonactin has been shown to inhibit the production and gene transcription of IL-5 but not of IL-2 or IL-4. Nonactin has also been used as an ammonium ionophore for ammonium ion determination in a potentiometric electrode for biosensor construction as well as in a fluorescent immuno assay to detect K⁺ ions in pharmaceutical samples.

应用:A cyclic ionophore and part of the macrotetrolide antibiotics family that selectively binds K⁺ and NH4⁺

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