| IPR039506 | SpoOB, alpha-helical domain | Domain |
| IPR000014 | PAS domain | Domain |
| IPR004358 | Signal transduction histidine kinase-related protein, C-terminal | Domain |
| IPR029151 | Periplasmic sensor-like domain superfamily | Homologous Superfamily |
| IPR036890 | Histidine kinase/HSP90-like ATPase superfamily | Homologous Superfamily |
| IPR035965 | PAS domain superfamily | Homologous Superfamily |
| IPR003594 | Histidine kinase/HSP90-like ATPase domain | Domain |
| IPR005467 | Histidine kinase domain | Domain |
| IPR033463 | Single cache domain 3 | Domain |
| IPR016120 | Signal transduction histidine kinase, sporulation regulator SpoOB | Homologous Superfamily |