Current Protein Identity：Q2T9T3
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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 |
|---|---|---|---|---|---|---|---|
| 5FLM Structure of transcribing mammalian RNA polymerase II Deposited 2015-10-26 | Assembly 1 Other combination Heteromer；Protein × 12 PDB declaration: pentadecameric（15） Consistent with all polymers |
Chain E
1–210（210 aa）
|
Not recorded | ZN ZINC ION × 8 MG MAGNESIUM ION × 1 | ELECTRON MICROSCOPY |
cryo-EM buffer
150 MM NACL, 5 MM HEPES, 0.01 MM ZNCL2, 10 MM DTT；pH 7.25；150 MM NACL, 5 MM HEPES, 0.01 MM ZNCL2, 10 MM DTT
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 3.40 Å |
| 5OIK Structure of an RNA polymerase II-DSIF transcription elongation complex Deposited 2017-07-18 | Assembly 1 Other combination Heteromer；Protein × 14 PDB declaration: heptadecameric（17） Consistent with all polymers |
Chain E
1–210（210 aa）
|
Not recorded | ZN ZINC ION × 8 MG MAGNESIUM ION × 1 | ELECTRON MICROSCOPY |
cryo-EM buffer
pH 7.25；pH was adjusted at 25 degrees Celsius
cryo-EM vitrification conditions
Cryogen ETHANE；Sample (four microliters) was applied to glow-discharged Quantifoil R 2/1 holey carbon grids, which were then blotted for 8.5s and plunge-frozen in liquid ethane.
|
Resolution 3.70 Å |
| 8QQ2 RNAPII elongation complex bound to RECQ5 Deposited 2023-10-03 | Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric（16） Consistent with all polymers |
Chain E
1–210（210 aa）
|
Not recorded | ZN ZINC ION × 8 MG MAGNESIUM ION × 1 | ELECTRON MICROSCOPY |
cryo-EM buffer
pH 7.5
cryo-EM vitrification conditions
Cryogen ETHANE-PROPANE
|
Resolution 4.20 Å |
| 8QW8 In condensate RNAPII elongation complex bound to RECQ5 Deposited 2023-10-19 | Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric（16） Consistent with all polymers |
Chain E
1–210（210 aa）
|
Not recorded | ZN ZINC ION × 7 MG MAGNESIUM ION × 1 | ELECTRON MICROSCOPY |
cryo-EM buffer
pH 7.5
cryo-EM vitrification conditions
Cryogen ETHANE-PROPANE
|
Resolution 7.70 Å |
| 8QW9 RNAPII elongation complex bound to RECQ5_R502E Deposited 2023-10-19 | Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric（16） Consistent with all polymers |
Chain E
1–210（210 aa）
|
Not recorded | ZN ZINC ION × 7 MG MAGNESIUM ION × 1 | ELECTRON MICROSCOPY |
cryo-EM buffer
pH 7.5
cryo-EM vitrification conditions
Cryogen ETHANE-PROPANE
|
Resolution 4.30 Å |
| 9XGK Structure of mammalian RNA polymerase II stalled by Actinomycin D at the N-1 position. Deposited 2025-10-30 | Assembly 1 Other combination Heteromer；Protein × 13 PDB declaration: hexadecameric（16） Consistent with all polymers |
Chain E
1–210（210 aa）
|
Not recorded | ZN ZINC ION × 8 MG MAGNESIUM ION × 1 | ELECTRON MICROSCOPY |
cryo-EM buffer
pH 7.5
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 2.53 Å |