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. Author manuscript; available in PMC: 2009 Dec 1.
Published in final edited form as: Nat Biotechnol. 2008 Dec;26(12):1339–1340. doi: 10.1038/nbt1208-1339

Table 1.

Organism Phosphopeptides with P>0.8a Total phosphorylation sites Phosphopeptides with assigned phosphorylation site(s)b
D. melanogaster 16,875 16,608 12,756
S. cerevisiae 9,554 8,901 5,890
C. elegans 5,444 4,986 3,545
Human 3,784 3,980 2,810
a

PeptideProphet Score as computed by PeptideProphet12

b

A phosphopeptide was considered to have an unassigned/assigned site if a dCn threshold was not reached/exceeded (See Supplementary Material and Methods)