Current Protein Identity：Q13123
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Difference tags compare only the current result set; every original PDB and assembly record remains separate.
Related-Structure Differences
Each row represents one biological assembly in one PDB entry; multiple monomers of the same protein are listed separately.
| PDB Entry | Assembly / Oligomeric State | Construct | Mutations and Modifications | Ligands, Ions and Non-polymers | Experimental Method | Experimental Conditions | Structure Quality |
|---|---|---|---|---|---|---|---|
| 5O9Z Cryo-EM structure of a pre-catalytic human spliceosome primed for activation (B complex) Deposited 2017-06-20 | Assembly 1 Protein–RNA Heteromer；Protein × 52 PDB declaration: 57-meric（57） Consistent with all polymers |
Chain R
1–557（557 aa）
|
Not recorded | No recorded non-water small molecule | ELECTRON MICROSCOPY |
cryo-EM buffer
pH 7.9
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 4.50 Å |
| 6Q8I Nterminal domain of human SMU1 in complex with human REDmid Deposited 2018-12-14 | Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count |
Chain C
1–557（557 aa）
Chain D
1–557（557 aa）
|
Not recorded | No recorded non-water small molecule | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP；293 K；0.1 M Hepes pH 7.0-7.5, 8-10 % PEG 8K
|
Resolution 3.17 Å R-free 0.277 |
| 6Q8I Nterminal domain of human SMU1 in complex with human REDmid Deposited 2018-12-14 | Assembly 2 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count |
Chain G
1–557（557 aa）
Chain H
1–557（557 aa）
|
Not recorded | No recorded non-water small molecule | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP；293 K；0.1 M Hepes pH 7.0-7.5, 8-10 % PEG 8K
|
Resolution 3.17 Å R-free 0.277 |
| 6Q8I Nterminal domain of human SMU1 in complex with human REDmid Deposited 2018-12-14 | Assembly 3 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count |
Chain K
1–557（557 aa）
Chain L
1–557（557 aa）
|
Not recorded | No recorded non-water small molecule | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP；293 K；0.1 M Hepes pH 7.0-7.5, 8-10 % PEG 8K
|
Resolution 3.17 Å R-free 0.277 |
| 6Q8I Nterminal domain of human SMU1 in complex with human REDmid Deposited 2018-12-14 | Assembly 4 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count |
Chain O
1–557（557 aa）
Chain P
1–557（557 aa）
|
Not recorded | No recorded non-water small molecule | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP；293 K；0.1 M Hepes pH 7.0-7.5, 8-10 % PEG 8K
|
Resolution 3.17 Å R-free 0.277 |
| 8QO9 Cryo-EM structure of a human spliceosomal B complex protomer Deposited 2023-09-28 | Assembly 1 Protein–RNA Heteromer；Protein × 66 PDB declaration: 71-meric（71） Consistent with all polymers |
Chain x
1–557（557 aa）
Chain y
1–557（557 aa）
|
Not recorded | No recorded non-water small molecule | ELECTRON MICROSCOPY |
cryo-EM buffer
pH 7.9
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 5.29 Å |
| 8QZS Cryo-EM structure of the cross-exon B-like complex Deposited 2023-10-29 | Assembly 1 Protein–RNA Heteromer；Protein × 61 PDB declaration: 68-meric（68） Consistent with all polymers |
Chain x
1–557（557 aa）
Chain y
1–557（557 aa）
|
Not recorded | No recorded non-water small molecule | ELECTRON MICROSCOPY |
cryo-EM buffer
pH 7.9
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 4.10 Å |
| 9R8V Cryo-EM structure of the human pre-Bact-OTS complex (whole map) Deposited 2025-05-17 | Assembly 1 Protein–RNA Heteromer；Protein × 59 PDB declaration: 63-meric（63） Consistent with all polymers |
Chain x
1–557（557 aa）
Chain y
1–557（557 aa）
|
Not recorded | No recorded non-water small molecule | ELECTRON MICROSCOPY |
cryo-EM buffer
pH 7.9
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 8.50 Å |