| A7ZUK2 | n/a | 4yfn | 4C2 | D | 2004 | e4yfnD1 | central helical domain in RNA-polymerase beta-prime subunit | central helical domain in RNA-polymerase beta-prime subunit | central helical domain in RNA-polymerase beta-prime subunit | RNA_pol_Rpb1_5 |
| A7ZUK2 | n/a | 4yfn | 4C2 | D | 2004 | e4yfnD3 | N-terminal domain in RNA-polymerase beta-prime subunit | N-terminal domain in RNA-polymerase beta-prime subunit | N-terminal domain in RNA-polymerase beta-prime subunit | RNA_pol_Rpb1_1 |
| A7ZUK2 | n/a | 4yfn | 4C2 | D | 2004 | e4yfnD5 | cradle loop barrel | RIFT-related | double psi | RNA_pol_Rpb1_2 |
| A7ZUK2 | n/a | 4yfn | 4C2 | J | 2004 | e4yfnJ2 | N-terminal domain in RNA-polymerase beta-prime subunit | N-terminal domain in RNA-polymerase beta-prime subunit | N-terminal domain in RNA-polymerase beta-prime subunit | RNA_pol_Rpb1_1 |
| A7ZUK2 | n/a | 4yfn | 4C2 | J | 2004 | e4yfnJ3 | central helical domain in RNA-polymerase beta-prime subunit | central helical domain in RNA-polymerase beta-prime subunit | central helical domain in RNA-polymerase beta-prime subunit | RNA_pol_Rpb1_5 |
| A7ZUK2 | n/a | 4yfn | 4C2 | J | 2004 | e4yfnJ7 | cradle loop barrel | RIFT-related | double psi | RNA_pol_Rpb1_2 |