| 简介 |
A reactive mass label for labelling a biological molecule for detection by mass spectrometry, which label comprises a reactive functionality for labelling thiol groups or carbonyl groups. Also provided is a reactive mass label for labelling a biological molecule for detection by mass spectrometry, wherein the mass label comprises the following structure : X-L-M-S—Re wherein X is a mass marker moiety, L is a cleavable linker, M is a mass normalization moiety, S is a mass series modifying group comprising the following group : wherein J is C═O, K is NH, and n is 2 or J and K are both CH2 and n is 1, and wherein m is at least 1; and Re is a reactive functionality for attaching the mass label to a biological molecule. |
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