| Q72HM5 | n/a | 6cuu | KNG | C | 2001 | e6cuuC2 | 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 |
| Q72HM5 | n/a | 6cuu | KNG | C | 2001 | e6cuuC3 | cradle loop barrel | RIFT-related | double psi | RNA_pol_Rpb2_6 |
| Q72HM5 | n/a | 6cuu | KNG | C | 2001 | e6cuuC4 | alpha/beta-Hammerhead/Barrel-sandwich hybrid | alpha/beta-Hammerhead/Barrel-sandwich hybrid | Single hybrid motif | n/a |
| Q72HM5 | n/a | 6cuu | KNG | C | 2001 | e6cuuC6 | 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 |