| Gene | Description | Domains | Gene lists |
|---|---|---|---|
| Sim1 | — | bHLH_HIF1A, bHLH_NPAS4, Diguanyl_cycl_sensor, HLH, PAS, PAS_11, PAS_3, PAS_4, PAS_9, Per3-like_PAS-A, SIM_C | Transcription factors |
| Sim2 | — | bHLH_HIF1A, bHLH_NPAS4, Diguanyl_cycl_sensor, HLH, PAS, PAS_11, PAS_3, PAS_4, PAS_9, Per3-like_PAS-A, SIM_C | — |