Novel cross-linking compounds that can be used in mass spectrometry, tandem mass spectrometry, and multi-stage tandem mass spectrometry to facilitate structural analysis of proteins and protein complexes are provided and have the formula:
where X is an N-hydroxy-succinimidyl or similar heterocyclic group. Also provided is a method of mapping protein-protein interactions of protein complexes using various mass spectrometry techniques.
提供了一种可以用于质谱、串联质谱和多级串联质谱的小说交联化合物,以促进蛋白质和蛋白质复合物的结构分析,其公式为:其中X为N-羟基琥珀
酰亚胺基或类似的杂环基团。还提供了一种利用各种质谱技术映射蛋白质复合物的蛋白质-蛋白质相互作用的方法。