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3.3K Views
•
09:45 min
February 5th, 2022
DOI :
10.3791/62830-v
Chapters
0:05
Introduction
1:16
Preparation of Materials and Reagents
2:58
Hydrogel Preparation
3:40
Agarose and Protein Mixing
4:05
Hydrogel and Lipid Deposition
6:09
Swelling and Harvesting of Vesicles
8:03
Representative Results: Microscopy of Vesicles
8:51
Conclusion
Transcript
由于质膜的复杂性,研究天然环境中的整体膜蛋白一直是一个挑战。巨型单层脂质囊泡或GUV是研究生物膜特性的最突出平台之一,它们可以被设计成模仿各种生理条件。该协议描述了一种基于水凝胶溶胀后自发掺入的GUV来制造蛋白质掺入GUV的方法。制造GUV的传统方法不能推广为整体膜蛋白掺入。这些方法通常产量低,方法复杂且临时,不适用于广泛的蛋白质类别。另一方面,该协议代表了一种灵活,稳健和简单的方法,以结合GUV中的功能性整体膜蛋白.我们通过制备含有蛋白质的水凝胶支架并在其上沉积一层薄薄的脂质来实现这一点
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Summary
该协议利用琼脂糖肿胀作为一种强大且可推广的技术,用于将整体膜蛋白(IMP)掺入巨型单层脂质囊泡(GUV)中,如本文所述,用于重建人1A 5-羟色胺受体蛋白(5-HT1AR),这是药理学上重要的G蛋白偶联受体之一。
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