Top-Down Structural Characterization of Native Ubiquitin Combining Solution-Stable Isotope Labeling, Trapped Ion Mobility Spectrometry, and Tandem Electron Capture Dissociation Mass Spectrometry

结合溶液稳定同位素标记、离子阱迁移谱和串联电子捕获解离质谱法对天然泛素进行自上而下的结构表征