| Gene | Description | Domains |
|---|---|---|
| Spis_XP_022785746_1 | structural maintenance of chromosomes 1A | SMC_hinge, SMC_N |
| Spis_XP_022791550_1 | structural maintenance of chromosomes 4 | SMC_hinge, SMC_N |
| Spis_XP_022794987_1 | structural maintenance of chromosomes flexible hinge domain containing 1 | HATPase_c_3, SMC_hinge |
| Spis_XP_022799106_1 | structural maintenance of chromosomes 3 | SMC_hinge, SMC_N |