Table 1.

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

Dataset		N	C	Avg ± Std
Homo sapiens	BP	11628	12514	60.24 ± 60.83
	CC	12523	1574	20.17 ± 12.28
	MF	11628	3724	10.97 ± 8.81
Mus musculus	BP	10990	13500	56.26 ± 61.08
	CC	10549	1592	15.73 ± 10.25
	MF	9906	3775	9.59 ± 7.30
Saccharomyces cerevisiae	BP	4671	4909	44.13 ± 31.41
	CC	4128	970	20.67 ± 10.30
	MF	4291	2203	9.60 ± 6.60
Drosophila	BP	6188	6645	48.53 ± 48.97
	CC	4851	1097	15.10 ± 10.27
	MF	4489	2255	9.05 ± 5.75