| Homeo domain factors |
| C2H2 zinc finger factors |
| Runt domain factors |
| Unkown |
| Basic leucine zipper factors (bZIP) |
| High-mobility group (HMG) domain factors |
| SAND domain factors |
| Rel homology region (RHR) factors |
| DM-type intertwined zinc finger factors |
| Nuclear receptors with C4 zinc fingers |
| Tryptophan cluster factors |
| Fork head / winged helix factors |
| GCM domain factors |
| Grainyhead domain factors |
| Zipper-type |
| Heat shock factors |
| SMAD/NF-1 DNA-binding domain factors |
| Other C4 zinc finger-type factors |
| Paired box factors |
| TEA domain factors |
| STAT domain factors |
| Basic helix-loop-helix factors (bHLH) |
| * | Non-validated |