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名称
鬼笔环肽,异硫氰酸荧光素标记
货号
P755497-0.1mg
包装规格
0.1mg
浓度
sequence Amanita phalloides(synthetic: peptide sequence)
产品介绍
异硫氰酸荧光素标记的鬼笔环肽可用于:观察内皮素-1(ET-1)和血管紧张素II(Ang-II)处理后原代乳鼠心肌细胞(PNCM)和H9C2细胞(大鼠心肌成肌细胞)F-肌动蛋白的重组情况。在免疫化学中标记微丝。在免疫荧光分析中对F-肌动蛋白进行染色。应用: 鬼笔环肽是由死亡之帽鬼笔鹅膏产生的鬼笔毒素。它是一种可与肌动蛋白相互作用的环肽,最早是在鬼笔环肽中毒的大鼠体内发现的。它是一种七肽,本质上是环状的,在6位色氨酸和3位半胱氨酸之间具有交联键。鬼笔环肽中氨基酸7(γ-δ-二羟基亮氨酸)的侧链可被修饰,通过该修饰可以产生荧光标记的鬼笔环肽化合物。 Phalloidin is a phallotoxin produced by death cap mushroom Amanita phalloides . It is a cyclic peptide, which interacts with actin and this was first identified in phalloidin-poisoned rats. It is a heptapeptide, cyclic in nature, with a crosslink between tryptophan at position 6 and cysteine at position 3. The side chain of amino acid 7 (γ-δ-dihydroxyleucine) in phalloidin, is accessible to modifications, through which fluorescently labelled phalloidin compounds can be produced. Application: Phalloidin, Fluorescein Isothiocyanate Labeled has been used: To visualize F-Actin reorganization in primary neonatal cardiomyocytes (PNCMs) and H9C2 cells (rat cardiac myoblasts) following endothelin-1 (ET-1) and angiotensin II (Ang II) treatment. In immunochemistry to label microfilament. In immunofluorescence analysis to stain F-actin.
生化机理
鬼笔环肽与聚合肌动蛋白相互作用,而不与寡聚或单体形式相互作用。这种相互作用产生高度稳定的肌动蛋白丝,能抵抗解聚和分解。在大鼠中,这种毒素可导致肝出血死亡,细胞显示出异常的肌动蛋白聚集。 对荧光标记的鬼笔环肽化合物进行衍生化后,鬼笔环肽对肌动蛋白的亲和力并未显著改变改变。这些化合物可用于研究真核细胞内肌动蛋白的结构和组织。结合聚合F肌动蛋白的毒素,从而稳定肌动蛋白并干扰富含肌动蛋白的结构的功能。
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Research chemical 0. 1mg

Research chemical 0. 1mg; supplied for laboratory research, analysis, inspection, and scientific procurement use; specifications: 0. 1mg.

item number:P755497-0.1mg
Product model:0.1mg
level: 0. 1mg
Lead Time:30days
sold 451 Items
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