| Color | TF Class |
|---|---|
| Basic leucine zipper factors (bZIP) | |
| C2H2 zinc finger factors | |
| Homeo domain factors | |
| Other C4 zinc finger-type factors | |
| Fork head / winged helix factors | |
| Unkown | |
| Basic helix-loop-helix factors (bHLH) | |
| CRC domain | |
| DM-type intertwined zinc finger factors | |
| Nuclear receptors with C4 zinc fingers | |
| SMAD/NF-1 DNA-binding domain factors | |
| Tryptophan cluster factors | |
| Cold-shock domain factors | |
| * | Non-validated |