| Gene | Description | Domains | Gene lists |
|---|---|---|---|
| Hhon_g01583.t1 | pregnancy-associated plasma protein A | DUF4215, Ephrin_CRD, Laminin_G_3, Notch, PAPPA, Sushi, Toxin_R_bind_N | Adhesion |
| Hhon_g09755.t1 | R-spondin 1 | DUF4215, Furin-like_2, TMIE, VSP | — |
| Hhon_g11540.t1 | — | DUF2970, DUF4215, DUF4953, Peptidase_M57, Reprolysin, Reprolysin_2, Reprolysin_3, Reprolysin_4, Reprolysin_5 | — |