Table 1: Statistics of experimental datasets. The data in the third column () is the number of proteins annotated with at least 1 term for a particular subontology. is the number of involved GO terms; Avg ± Std is the average number of annotations of a protein and its standard deviation.

DatasetAvg ± Std

Homo sapiensBP1162812514
CC125231574
MF116283724

Mus musculusBP1099013500
CC105491592
MF99063775

Saccharomyces cerevisiaeBP46714909
CC4128970
MF42912203

DrosophilaBP61886645
CC48511097
MF44892255