| Domain | Name | Category | Type | 
	
		| IPR000228  | RNA 3'-terminal phosphate cyclase | Family | Family | 
	
		| IPR013791  | RNA 3'-terminal phosphate cyclase, insert domain | Domain | Domain | 
	
		| IPR013792  | RNA 3'-terminal phosphate cyclase/enolpyruvate transferase, alpha/beta | Family | Homologous superfamily | 
	
		| IPR016443  | RNA 3'-terminal phosphate cyclase type 2 | Family | Family | 
	
		| IPR020719  | RNA 3'-terminal phosphate cyclase-like, conserved site | Site | Conserved site | 
	
		| IPR023797  | RNA 3'-terminal phosphate cyclase domain | Domain | Domain | 
	
		| IPR036553  | RNA 3'-terminal phosphate cyclase, insert domain superfamily | Family | Homologous superfamily | 
	
		| IPR037136  | RNA 3'-terminal phosphate cyclase domain superfamily | Family | Homologous superfamily |