| Gene | Description | Domains | Gene lists |
|---|---|---|---|
| Dhh | — | HH_signal, Hint, Peptidase_M15_3, Vint, VldE | Signalling |
| Ihh | — | HH_signal, Hint, Hint_2, Peptidase_M15_3, VldE | Signalling |
| Shh | — | DrmE_C, HH_signal, Hint, KhtT_N, Peptidase_M15_3, Ribosomal_S6e, Vint, VldE | Signalling |