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. Author manuscript; available in PMC: 2021 Jul 30.
Published in final edited form as: J Am Soc Mass Spectrom. 2021 Mar 16;32(6):1336–1344. doi: 10.1021/jasms.0c00464

Figure 2.

Figure 2.

Intact protein labeling and identification. (A) Examples of labeled proteoforms identified in one LC-MS run. The completely labeled forms are indicated by an asterisk and the −1 and +1 represent proteoforms that are underlabeled or overlabeled by one tag. (B) The identification heatmap of samples 1 and 2. The labeling status is indicated for each intact proteoform after labeling.