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. Author manuscript; available in PMC: 2021 Feb 5.
Published in final edited form as: J Am Soc Mass Spectrom. 2020 Jan 13;31(2):394–404. doi: 10.1021/jasms.9b00024

Table 1.

Frequency Distribution of Signature Fragment Ions from Lysine Biotinylated Peptides Identified from BioSITe Experiments

total m/z 227.085 m/z 310.158 m/z 327.185
BirA-p190 3813 3337 (88%) 3798 (99%) 1443 (38%)
BirA-KRAS 1008 809 (80%) 992 (98%) 144 (14%)