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蛋白质 - 连接体结合和结构建模研究铁激素结合类似蛋白质的Sol g 2.1来自Solenopsis geminata火毒液

Siriporn Nonkhwao¹, Erika Plettner², Sakda Daduang^1,3

¹Faculty of Pharmaceutical Sciences, Khon Kaen University, Khon Kaen 40002, Thailand.

Molecules (Basel, Switzerland)

|March 13, 2024

概括

Sol g 2,一种火毒素蛋白质,结合碳化合物,如. 这种蛋白质在与碳化合物和piperidine类化合物混合时增强了的踪迹,显示出协同效应.

科学领域:

* 生物化学和分子生物学
* 化学生态学化学生态学
* 昆虫学昆虫学

背景情况:

* Sol g 2 是火毒素Solenopsis geminata中的主要蛋白质.
* 它与Sol i 2具有高度序列一致性,并且与甲胺结合蛋白LmaPBP具有结构同质性.
* 了解Solg2的相互作用对于火化学生态至关重要.

研究的目的:

* 为了识别火毒素中的 Sol g 2 蛋白质所结合的特定连接体.
* 为了研究Sol g 2与各种碳化合物的结合亲和力.
* 评估Solg2在跟踪行为中的作用.

主要方法:

*分析 Sol g 2 蛋白质复合体与毒中的碳化合物.
*使用重组Sol g 2.1蛋白 (rSol g 2.1) 和基的结合亲和度测试 (K_d)
*分子对接模拟以确定结合点.
*跟踪生物测试使用*Solenopsis geminata*的工.

主要成果:

* Sol g 2 自然与毒中碳化合物 (十甘,十甘,十二甘,三甘) 形成复合体.
* 迪干与rSolg2.1具有最高的结合亲和力;然而,干混合物比单个干具有更大的亲和力.
*分子对接揭示了Solg 2.1模型上的全结合点.
* rSol g 2.1 和碳化合物混合物与单独的碳化合物相比,延长了痕,表明蒸发的延迟.
* 皮皮里丁类化合物显示出最大的吸引力,它们与碳化合物和Solg 2.1的组合具有协同效应的跟踪效应.

结论:

* Sol g 2 结合碳化合物,可能调节它们的挥发性.
* Sol g 2 蛋白质在增强火跟踪行为的过程中起作用.
* Sol g 2,碳化合物和皮佩里丁类化合物的组合对跟踪具有协同效应.

关键词:

黄海 (Solenopsis geminata) 是一棵生长时间长的植物.费洛蒙结合蛋白 (PBP) 是一种蛋白质连接和结合毒素蛋白质 Sol g 2.1 2.1 毒素蛋白质 Sol g 2.1 毒素蛋白质 Sol g 2.1 毒素蛋白质

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