Multi-Tox: application of the ToxR-transcriptional reporter assay to the study of multi-pass protein transmembrane domain oligomerization.

Multi-Tox: application of the ToxR-transcriptional reporter assay to the study of multi-pass protein transmembrane domain oligomerization.
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DOI:
10.1016/j.bbamem.2011.07.008
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发表时间:
2011-12
影响因子:
3.4
通讯作者:
Yin, Hang
Yin, Hang
中科院分区:
生物学3区
文献类型:
--
作者:
Joce, Catherine;Wiener, Alyssa A.;Yin, Hang

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基于ToxR的转录报告基因测定允许测量生物膜中跨膜螺旋相互作用的强度。以前,这些试验仅用于研究单次跨膜系统。为了便于研究多位跨膜结构域(TMD)寡聚化,我们应用ToxR方法学研究多通道TMD寡聚化,得到“Multi-Tox”。病毒癌蛋白、潜伏膜蛋白-1(LMP-1)和大肠杆菌E.大肠杆菌膜整合二酰基甘油激酶(DAGK)的研究,通过多毒性,突出残基的特别机制的重要性。研究了均聚和杂聚。
ToxR-based transcriptional reporter assays allow the strength of transmembrane helix interactions in biological membranes to be measured. Previously, these assays have only been used to study single-pass transmembrane systems. To facilitate investigation of polytopic transmembrane domain (TMD) oligomerization, we applied the ToxR methodology to the study of multi-pass TMD oligomerization to give ‘Multi-Tox’. Association propensities of the viral oncoprotein, latent membrane protein-1 (LMP-1), and the E. coli membrane-integral diacylglycerol kinase (DAGK) were studied by Multi-Tox, highlighting residues of particular mechanistic importance. Both homo- and hetero-oligomerizations were studied.
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