Table 1.
Complete list of considered organisms, together with their network size (nodes and edges). Density is expressed as the ratio between the actual number of edges and the number of edges in the complete graph with the same number of nodes.
| Organism | PPI network | ||||
|---|---|---|---|---|---|
| Species | Kingdom | Phylum/class | Nodes | Edges | Density |
| Brucella melitensis (Bm) | Bacteria | Alphaproteobacteria | 2675 | 15,450 | 0.43% |
| Escherichia coli (Ec) | Bacteria | Gammaproteobacteria | 4020 | 29,748 | 0.37% |
| Haemophilus influenzae (Hi) | Bacteria | Gammaproteobacteria | 1609 | 9202 | 0.71% |
| Helicobacter pylory J99 (Hp) | Bacteria | Epsilonproteobacteria | 1264 | 7678 | 0.96% |
| Mycobacterium tuberculosis H37Rv (Mt) | Bacteria | Actinobacteria | 3779 | 24,889 | 0.35% |
| Streptococcus pneumoniae TIGR4 (Sp) | Bacteria | Firmicutesi/Bacilli | 1811 | 8813 | 0.54% |
| Treponema pallidum (Tp) | Bacteria | Spirochaetes | 894 | 8157 | 2.04% |
| Vibrio cholerae (Vc) | Bacteria | Gammaproteobacteria | 3153 | 20,844 | 0.42% |
| Pyrococcus abyssi (Pa) | Euryarchaeota | Thermococci | 1564 | 9090 | 0.74% |
| Saccharomyces cerevisiae (Sc) | Fungi | Ascomycota/Saccharomycetes | 6157 | 119,051 | 0.63% |