Transcription factors (TFs) of Hydractinia symbiolongicarpus are usually classified into different families according to their conserved DBDs, which was based on the rule of AnimalTFDB 4.0 and self-build HMM profiles.
| zf-C2H2(130) | SRF(2) | GCNF-like(12) | ESR-like(11) | Miscellaneous(12) |
| NGFIB-like(12) | RXR-like(14) | SF-like(10) | THR-like(10) | zf-MIZ(2) |
| HSF(4) | bHLH(52) | ARID(8) | THAP(93) | TF_bZIP(25) |
| zf-CCCH(19) | PC4(5) | NCU-G1(2) | ZBTB(58) | T-box(7) |
| P53(5) | Homeobox(60) | Fork_head(13) | zf-LITAF-like(4) | ETS(16) |
| HMG(28) | zf-GAGA(1) | MYB(23) | MH1(6) | zf-BED(4) |
| HTH(13) | RFX(6) | IRF(4) | CSD(4) | zf-C2HC(4) |
| DM(6) | COE(2) | Pou(3) | Runt(1) | AP-2(2) |
| zf-GATA(2) | NF-YA(1) | E2F(3) | PAX(3) | CP2(1) |
| AF-4(1) | CG-1(1) | RHD(4) | TEA(2) | SAND(1) |
| zf-NF-X1(2) | Tub(1) | MBD(2) | CBF(1) | GTF2I(1) |
| LRRFIP(1) | GCFC(1) | STAT(2) | TSC22(1) | Nrf1(1) |
| CSL(1) |
