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Ion Activation Methods for Top-Down Proteomics

delete2026-03-31
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OA
AI
J
Jada N. Walker
J
Jennifer S. Brodbelt *
DOI:10.1002/mas.70023delete
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摘要

摘要

En 中文
质谱(MS)已作为一种首选方法用于表征蛋白质序列。自上而下蛋白质组学旨在捕捉蛋白质中反映的结构多样性来源,例如那些源于替代性RNA剪接事件或翻译后修饰的添加。串联质谱(即MS/MS)是自上而下蛋白质组学实验的关键组成部分,因为产生的碎片模式揭示了与蛋白质功能相关的各种结构特征。本综述重点介绍了用于解析完整蛋白质结构特性的离子活化方法(包括碰撞活化和基于电子及光子的方法)的最新进展和应用。此外,还讨论了由这些MS/MS方法产生的碎片离子的分析,以及对该领域未来发展的展望,涉及仪器设备以及自上而下蛋白质组学新兴方法(如单细胞方法)等相关进展。
Keyword:
collision induced dissociation
collisional activation
electron activation
intact proteins
photodissociation

期刊

Mass Spectrometry Reviews 封面图
Mass Spectrometry Reviews
IF:
6.6
论文数:
1.0K
被引数:
4.7K

机构

T
the university of texas at austin
学者数:
1.3K
论文数: 550
被引数: 0
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