Validamycin A (Synonyms:井冈霉素A)
目录号 : KM12909 CAS No. : 37248-47-8 纯度 : ≥60%

Validamycin A 是一种杀菌剂,属于农用抗生素,最初从 Streptomyces hygroscopicus var. limoneus 中分离得到。Validamycin A 能抑制黄曲霉的生长, 其 MIC 值为 1 μg/mL。Validamycin A 对立枯丝核菌的海藻酸酶 (trehalase) 有高效的抑制活性,其 IC50 为 72 μM。Validamycin A 是一种可逆的酪氨酸酶抑制剂,其 Ki 值为 5.893 mM。

规格 价格 是否有货 数量
100mg
In-stock
200mg 询价 In-stock
500mg 询价 In-stock

Other Forms of Rapamycin:

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生物活性

Validamycin A, a fungicidal, is an agricultural antibiotic. Validamycin A is originally isolated from Streptomyces hygroscopicus var. limoneus. Validamycin A inhibits the growth of A. flavus, with a MIC of 1 μg/mL. Validamycin A shows potent inhibitory activity against trehalase of Rhizoctonia solani, with an IC50 of 72 μM. Validamycin A is a reversible tyrosinase inhibitor, with a Ki of 5.893 mM.

体外研究

Validamycin A (0.5-1 μg/mL; 18 hours) inhibits the growth of A. flavus and delayed conidial germination.
Validamycin A shows no cytotoxicity to human bronchial epithelial cells.
Validamycin A directly binds to several residues in the active site of tyrosinase, including HIS85, HIS244, GLU256, HIS259 and ASN260.

Cell Proliferation Assay

Cell Line: Aspergillus flavus ATCC204304
Concentration: 0.5 μg/mL, 1 μg/mL
Incubation Time: 18 hours
Result: Inhibited the growth of Aspergillus flavus.
分子式
C20H35NO13
分子量
497.49
CAS号
37248-47-8
中文名称
井冈霉素A
运输条件

Room temperature in continental US; may vary elsewhere.

储存方式

4°C, protect from light, stored under nitrogen

*In solvent : -80°C, 6 months; -20°C, 1 month (protect from light, stored under nitrogen)

溶解性数据
In Vitro: 

H2O : 125 mg/mL (251.26 mM; Need ultrasonic)

配制储备液
浓度 溶剂体积 质量 1 mg 5 mg 10 mg
1 mM 2.0101 mL 10.0505 mL 20.1009 mL
5 mM 0.4020 mL 2.0101 mL 4.0202 mL
10 mM 0.2010 mL 1.0050 mL 2.0101 mL
*

请根据产品在不同溶剂中的溶解度选择合适的溶剂配制储备液;一旦配成溶液,请分装保存,避免反复冻融造成的产品失效。
储备液的保存方式和期限:-80°C, 6 months; -20°C, 1 month (protect from light, stored under nitrogen)。-80°C 储存时,请在 6 个月内使用,-20°C 储存时,请在 1 个月内使用。

The molarity calculator equation
Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)
The dilution calculator equation
Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
This equation is commonly abbreviated as: C1V1 = C2V2
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