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相关概念视频

Peptide Identification Using Tandem Mass Spectrometry01:33

Peptide Identification Using Tandem Mass Spectrometry

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Tandem mass spectrometry, also known as MS/MS or MS2, is an analytical technique that employs two mass analyzers. Essentially it is a series of mass spectrometers that helps isolate a particular biomolecule and then helps study its chemical properties.
This technique helps gather information regarding the protein from which the peptide was obtained and to study the peptides’ amino acid sequence. Identifying peptides from a complex mixture is an important component of the growing field of...
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Updated: Jun 13, 2025

Deep Proteome Profiling by Isobaric Labeling, Extensive Liquid Chromatography, Mass Spectrometry, and Software-assisted Quantification
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使用TMT-Integrator和FragPipe计算平台对同位素定量蛋白质组数据进行分析.

Hui-Yin Chang, Yamei Deng, Ruohong Li

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    TMT-Integrator是一种新的生物信息学工具,通过提供TMT和iTRAQ实验的综合报告来增强定量蛋白质组学. 与现有方法相比,它在蛋白质和酸量化方面表现出优异的性能.

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    科学领域:

    • 蛋白质组学是指蛋白质组学.
    • 生物信息学是一种生物信息学.
    • 质谱测量质量谱测量

    背景情况:

    • 像iTRAQ和TMT这样的等离子质量标签对于多重定量蛋白质组学至关重要.
    • 处理这些实验的定量结果需要复杂的生物信息学工具.

    研究的目的:

    • 推出TMT-Integrator,这是一个新的生物信息学工具,用于处理TMT和iTRAQ定量蛋白质组学数据.
    • 在多个生物层面 (基因,蛋白质,,PTM位点) 提供综合性分析报告.

    主要方法:

    • TMT-Integrator已经集成到FragPipe计算平台中.
    • FragPipe/TMT-Integrator管道的性能与MaxQuant和Proteome Discoverer进行了基准测试.
    • 分析使用了五个不同的TMT数据集,包括尖端,临床和先进试剂实验.

    主要成果:

    • FragPipe/TMT-Integrator量化了大肠杆菌和ccRCC全蛋白质组数据集中的更多蛋白质.
    • 在使用该管道的ccRCC蛋白质组数据集中确定了更多的化部位.
    • FragPipe/TMT-Integrator管道显示出更强大的量化性能.

    结论:

    • TMT-Integrator是TMT和iTRAQ数据分析工作流程的一个有价值的组件.
    • FragPipe/TMT-Integrator管道在蛋白质和酸量化方面提供了更高的性能.
    • 该工具为多重定量蛋白质组学提供了全面和可靠的分析.