1 | 7YGA|1|N (rep) | Group I catalytic intron | RNA (5'-R(*UP*CP*GP*(SSU)P*AP*AP*CP*C)-3'), RNA (5'-R(*CP*CP*CP*UP*CP*U)-3'), RNA (393-MER) | Tetrahymena | Eukarya | RF00028 | Cryo-EM structure of Tetrahymena ribozyme conformation 2 undergoing the second-step self-splicing | Electron microscopy | 2.35 | 2023-03-29 |
2 | 7XD6|1|N | Group I catalytic intron | The Tet-S2 state with a pseudoknotted 4-way junction molecule of co-transcriptional folded wild-type Tetrahymena group I intron with 30nt 3'/5'-exon (5'-exon), The Tet-S2 state with a pseudoknotted 4-way junction molecule of co-transcriptional folded wild-type Tetrahymena group I intron with 30nt 3'/5'-exon (intron and 3'-exon) | Tetrahymena thermophila | Eukarya | RF00028 | The Tet-S2 state with a pseudoknotted 4-way junction of wild-type Tetrahymena group I intron with 30nt 3'/5'-exon | Electron microscopy | 2.84 | 2023-04-05 |
3 | 7YGB|1|N | Group I catalytic intron | RNA (5'-R(*UP*CP*G)-3'), RNA (5'-R(*CP*CP*CP*UP*CP*UP*UP*AP*AP*CP*C)-3'), RNA (393-MER) | Tetrahymena | Eukarya | RF00028 | Cryo-EM structure of Tetrahymena ribozyme conformation 3 undergoing the second-step self-splicing | Electron microscopy | 2.62 | 2023-03-29 |
4 | 8I7N|1|N | | The Tet-S1 state molecule of co-transcriptional folded G264A mutated Tetrahymena group I intron with 6nt 3'/5'-exon and 2-aminopurine nucleoside | Tetrahymena thermophila | | | The Tet-S1 state of G264A mutated Tetrahymena group I intron with 6nt 3'/5'-exon and 2-aminopurine nucleoside | Electron microscopy | 2.98 | 2023-03-29 |
5 | 7YGC|1|N | Group I catalytic intron | RNA (5'-R(*UP*CP*G)-3'), RNA (5'-R(*CP*CP*CP*UP*CP*UP*UP*AP*AP*CP*C)-3'), RNA (393-MER) | Tetrahymena | Eukarya | RF00028 | Cryo-EM structure of Tetrahymena ribozyme conformation 4 undergoing the second-step self-splicing | Electron microscopy | 2.65 | 2023-03-29 |
6 | 7XD5|1|N | Group I catalytic intron | The Tet-S2 state molecule of co-transcriptional folded wild-type Tetrahymena group I intron with 30nt 3'/5'-exon (5'-exon), The Tet-S2 state molecule of co-transcriptional folded wild-type Tetrahymena group I intron with 30nt 3'/5'-exon (intron and 3'-exon) | Tetrahymena thermophila | Eukarya | RF00028 | The Tet-S2 state of wild-type Tetrahymena group I intron with 30nt 3'/5'-exon | Electron microscopy | 2.84 | 2023-04-05 |
7 | 7YG9|1|N | Group I catalytic intron | RNA (5'-R(*UP*CP*GP*(SSU)P*AP*AP*C)-3'), RNA (5'-R(*CP*CP*CP*UP*CP*U)-3'), RNA (391-MER) | Tetrahymena | Eukarya | RF00028 | Cryo-EM structure of Tetrahymena ribozyme conformation 1 undergoing the second-step self-splicing | Electron microscopy | 2.68 | 2023-03-29 |
8 | 7YG8|1|N | Group I catalytic intron | RNA (5'-R(*UP*CP*G)-3'), RNA (5'-R(*CP*CP*CP*UP*C)-3'), RNA (387-MER) | Tetrahymena | Eukarya | RF00028 | Cryo-EM structure of Tetrahymena ribozyme conformation 5 undergoing the second-step self-splicing | Electron microscopy | 2.97 | 2023-03-29 |
9 | 7R6L|1|A | Group I catalytic intron | Group I intron, 5 prime fragment, Group I intron, 3 prime fragment plus 3 prime exon | Tetrahymena thermophila | Eukarya | RF00028 | 5 prime exon-free pre-2S intermediate of the Tetrahymena group I intron, symmetry-expanded monomer from a synthetic dimeric construct | Electron microscopy | 2.85 | 2022-05-04 |