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. 2018 Apr 13;10(5):712–719. doi: 10.1080/19420862.2018.1463122

Table 1.

Percent values of anti-Her2 Fab modified with 6-AM-2-PCA analyzed by MS.

  Non-modification Mono-modification Bis-modification
Peak (1): Fab (2): Fab+1 label (3): Fab+2 labels (4): Fab+2 labels+H2O
MW (Da) 50356 50503 50647 50665
Percent* 21% 43% 17% 19%
*

represents mean of two measurements.