Table 1.
Statistics of the number of experimentally determined PPIs in representative plant species.
| Organism | Common Name | Number of Protein genes | Identified unique PPIs | Unique Proteins in PPIs | Fraction of proteins involved in known PPIs (%) |
|---|---|---|---|---|---|
| Arabidopsis thaliana | mousear cress | 27,636 | 35,908 | 9,574 | 34.55 |
| Zea mays | corn | 37,376 | 13 | 21 | 0.056 |
| Glycine max | soybean | 46,993 | 39 | 43 | 0.092 |
| Oryza sativa (Japonica) | rice | 35,679 | 90 | 72 | 0.202 |
| Solanum lycopersicum | tomato | 25,613 | 107 | 44 | 0.172 |
| Solanum tuberosum | potato | 28,463 | 2 | 3 | 0.011 |
The statistics of PPIs were taken from the BioGRID database. The numbers of protein genes were taken from the KEGG database.