| Index | Gene Name Primary | Protein Name | Gene Name Synonym | Uniprot ID |
| 1 | AHR | Aryl hydrocarbon receptor | BHLHE76 | P35869 |
| 2 | ARNT2 | Aryl hydrocarbon receptor nuclear translocator 2 | BHLHE1 KIAA0307 | Q9HBZ2 |
| 3 | EPAS1 | Endothelial PAS domain-containing protein 1 | BHLHE73 HIF2A MOP2 PASD2 | Q99814 |
| 4 | HIF1A | Hypoxia-inducible factor 1-alpha | BHLHE78 MOP1 PASD8 | Q16665 |
| 5 | HIF3A | Hypoxia-inducible factor 3-alpha | BHLHE17 MOP7 PASD7 | Q9Y2N7 |
| 6 | NPAS1 | Neuronal PAS domain-containing protein 1 | BHLHE11 MOP5 PASD5 | Q99742 |
| 7 | NPAS3 | Neuronal PAS domain-containing protein 3 | BHLHE12 MOP6 PASD6 | Q8IXF0 |
| 8 | NPAS4 | Neuronal PAS domain-containing protein 4 | BHLHE79 NXF PASD10 | Q8IUM7 |
| 9 | PER1 | Period circadian protein homolog 1 | KIAA0482 PER RIGUI | O15534 |
| 10 | PER2 | Period circadian protein homolog 2 | KIAA0347 | O15055 |
| 11 | PER3 | Period circadian protein homolog 3 | | P56645 |
| 12 | SIM1 | Single-minded homolog 1 | BHLHE14 | P81133 |
| 13 | SIM2 | Single-minded homolog 2 | BHLHE15 | Q14190 |