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名称
鬼笔环肽-四甲基罗丹明B异硫氰酸盐
货号
P755505-0.1mg
包装规格
0.1mg
浓度
sequence from Amanita phalloides(synthetic: peptide sequence)
产品介绍
荧光鬼笔毒素可用于鉴定丝状肌动蛋白。鬼笔环肽-四甲基罗丹明B异硫氰酸酯已被用于:-在免疫荧光中对丝状肌动蛋白(F-actin)进行染色在免疫细胞化学和细胞化学分析过程中对细胞进行染色标记肌动蛋白微丝以进行荧光显微镜检查应用: 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状肽,最早是在鬼笔环肽中毒的大鼠中发现的。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。鬼笔环肽中的氨基酸7(γ-δ-二羟基亮氨酸)的侧链可以进行修饰,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 florescent labelled phalloidin compounds can be produced. Application: Fluorescent phallotoxin which may be used to identify filamentous actin. Phalloidin-Tetramethylrhodamine B isothiocyanate has been used:- In Immunofluorescence for staining Filamentous actin (F-actin) To stain cells during immunocytochemical and cytochemical analysis To label actin microfilaments for fluorescence microscopy
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。 鬼笔环肽化合物经衍生化荧光标记后,其对肌动蛋白的亲和力没有明显的改变。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:P755505-0.1mg
Product model:0.1mg
level: 0. 1mg
Lead Time:30days
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