| Domain | Name | Category | Type | 
		| IPR001514 | DNA-directed RNA polymerase, 30-40kDa subunit, conserved site | Site | Conserved site | 
		| IPR011262 | DNA-directed RNA polymerase, insert domain | Domain | Domain | 
		| IPR011263 | DNA-directed RNA polymerase, RpoA/D/Rpb3-type | Domain | Domain | 
		| IPR033901 | DNA-directed RNA polymerases I and III subunit AC40 | Family | Family | 
		| IPR036603 | RNA polymerase, RBP11-like subunit | Family | Homologous superfamily | 
		| IPR036643 | DNA-directed RNA polymerase, insert domain superfamily | Family | Homologous superfamily |