| Active principles | Rating | Bibliogr. | Expand | |
|---|---|---|---|---|
| 1 | Receptors, Cytoplasmic and Nuclear | 100 | + | |
| 2 | Basic Helix-Loop-Helix Transcription Factors | 79 | + | |
| 3 | GATA Transcription Factors | 38 | + | |
| 4 | Smad Proteins | 33 | + | |
| 5 | Basic-Leucine Zipper Transcription Factors | 30 | + | |
| 6 | Homeodomain Proteins | 26 | + | |
| 7 | NF-kappa B | 14 | + | |
| 8 | Paired Box Transcription Factors | 9 | + | |
| 9 | Repressor Proteins | 7 | + | |
| 10 | I-kappa B Proteins | 4 | + |