| P0A8V2 | n/a | 6cux | KNG | C | 2001 | e6cuxC10 | alpha/beta-Hammerhead/Barrel-sandwich hybrid | alpha/beta-Hammerhead/Barrel-sandwich hybrid | Single hybrid motif | RNA_pol_Rpb2_6 |
| P0A8V2 | n/a | 6cux | KNG | C | 2001 | e6cuxC7 | N-terminal domain in beta subunit of DNA dependent RNA-polymerase | N-terminal domain in beta subunit of DNA dependent RNA-polymerase | N-terminal domain in beta subunit of DNA dependent RNA-polymerase | RNA_pol_Rpb2_1,RNA_pol_Rpb2_3 |
| P0A8V2 | n/a | 6cux | KNG | C | 2001 | e6cuxC8 | barrel domain in beta subunit of DNA dependent RNA-polymerase | barrel domain in beta subunit of DNA dependent RNA-polymerase | barrel domain in beta subunit of DNA dependent RNA-polymerase | RNA_pol_Rpb2_45 |