| Gene | Description | Domains | Gene lists |
|---|---|---|---|
| Lefty1 | — | TGF_beta, TGFb_propeptide | Signalling |
| Lefty2 | — | TGF_beta, TGFb_propeptide | Signalling |
| Mstn | — | TGF_beta, TGFb_propeptide | Signalling |
| Nodal | — | Stb3, TGF_beta, TGFb_propeptide | Signalling |
| Tgfb1 | — | ARID, CBM96, SipA_VBS, TGF_beta, TGFb_propeptide | Signalling |
| Tgfb2 | — | Beta-prop_RIG_2nd, CBM96, Disaggr_repeat, SPEG_u2, TGF_beta, TGFb_propeptide | Signalling |
| Tgfb3 | — | TGF_beta, TGFb_propeptide | Signalling |