夫西地酸

夫西地酸，Fusidic acid，Cas号 6990-06-3，纯度: 99.53%，是一种从 Fusidium coccineum 发酵液中分离出来的甾体类抗生素。更多视频请关注视频号【艾维缔】。哔哩哔哩【IVDSHOW】。抖音【军哥聊表观】。

关键词

夫西地酸

所属分类

抑制剂

目录号

T1160

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夫西地酸，Fusidic acid (Fusidine) 是一种从 Fusidium coccineum 发酵液中分离出来的甾体类抗生素。它通过阻止核糖体释放翻译延长因子 G 来抑制细菌的生长。

生物活性

产品描述	Fusidic acid (Fusidine) is an antibiotic isolated from the fermentation broth of Fusidium coccineum.
激酶实验	DHODase activity is measured by the DCIP colorimetric assay. This is a coupled assay in which oxidation of DHO and subsequent reduction of ubiquinone are stoichiometrically equivalent to the reduction of DCIP. Reduction of DCIP is accompanied by a loss of absorbance at 610 nm (ε=21500 M/cm). The assay is performed in a 96-well microtiter plate at ambient temperature (ca. 25°C). Stock solutions of 10 mM leflunomide and A771726 are prepared in dimethyl sulfoxide (DMSO) and these are diluted with reaction buffer (100 mM Tris and 0.1 % Triton X-100, pH 8.0) to prepare working stocks of the inhibitors at varying concentrations. For each reaction, the well contained 10 nM DHODase, 68 μM DCIP, 0.16 mg/mL gelatin, the stated concentration of ubiquinone, 10 μL of an inhibitor working stock to give the stated final concentration, and reaction buffer. After a 5-min equilibration period, the reaction is initiated by addition of DHO to the stated final concentrations. The total volume of reaction mixture for each assay is 150 μL, and the final DMSO concentration is ≤ 0.01% (v/v). The reaction progress is followed by recording the loss of absorbance at 610 nm over a 10-min period (during which the velocity remained linear). Velocities are reported as the change in absorbance at 610 nm per minute, and each reported value is the average of three replicates. In experiments where the DHO or ubiquinone concentration is varied, the other substrate is held constant at 200 μM. To determine the inhibitor potency of leflunomide and A771726, the effects of varying concentrations of the two compounds on the initial velocity of the DHODase reaction is measured over a concentration range of 0.01?1.0 μM. In these experiments the DHO and ubiquinone concentrations are held constant at 200 and 100 μM, respectively.
别名	夫西地酸, Fusidine

化学信息

分子量	516.71
分子式	C₃₁H₄₈O₆
CAS No.	6990-06-3
Smiles	C[C@@H]1[C@H](O)CC[C@@]2(C)[C@H]1CC[C@@]1(C)[C@H]2[C@H](O)C[C@@H]2[C@]1(C)C[C@H](OC(C)=O)\C2=C(\CC\C=C(/C)C)C(O)=O
密度	1.16g/cm3