Table 1 Summary of information gathered for different organisms tested (number of protein sequences, number of interactions and the source of the interactions)

C. elegans

23,684

6,607

BioGRID¹⁵

E. coli

4,290

16,235

EciD¹⁹

H. sapiens

22,513

41,678

HPRD²⁰ and BioGRID¹⁵

S. cerevisiae

6,716

43,591

BioGRID¹⁵

S. pombe

5,024

2,951

BioGRID¹⁵