Table 3.
Arabidopsis plant-specific proteins with known or hypothetical function and that are involved in central cellular processes
| Gene family | Number of plant-specific proteins |
| Known or putative transcription factors | |
| AP2/ERF | 124 |
| ARF | 16 |
| B3 | 14 |
| bHLH | 31 |
| bZIP | 12 |
| C2C2 | 42 |
| C2H2 | 2 |
| EIN/EIL | 5 |
| GRAS | 28 |
| HD | 13 |
| Leafy | 1 |
| MADS | 2 |
| MYB | 25 |
| NAC | 73 |
| SBP | 11 |
| TCP | 21 |
| Trihelix | 1 |
| VP1/ABI3 | 1 |
| WRKY | 44 |
| Other | 28 |
| Other transcriptional regulators | |
| AUX/IAA | 24 |
| Other | 10 |
| Pre-mRNA processing and transport | 1 |
| Translation | 7 |
| Protein degradation | |
| F-box proteins | 115 |