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Table 4 Summary of PhosSA site assignment results using Mascot for AQP2 mass spectrometry data set using CID and HCD fragmentations (see text for description). N/A means that the AQP2 results were not found in the data set

From: PhosSA: Fast and accurate phosphorylation site assignment algorithm for mass spectrometry data

CID data sets

PhosSA Accuracy(%)

No. of peptides similar to Sequest

No. of peptides

different than Sequest

AQP2-H-(S256/S261)

94.6

690

17

AQP2-M-(S256/S261)

94.4

714

26

AQP2-L-(S256/S261)

100

665

26

AQP2-H-(S264)

100

658

9

AQP2-M-(S264)

89

661

24

AQP2-L-(S264)

60

801

17

HCD data sets

 

AQP2-H-(S256/S261)

94.5

857

13

AQP2-M-(S256/S261)

95.9

921

25

AQP2-L-(S256/S261)

100

992

27

AQP2-H-(S264)

100

822

14

AQP2-M-(S264)

96.6

804

20

AQP2-L-(S264)

75

935

12