Current Protein Identity：C4R6B2
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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 |
|---|---|---|---|---|---|---|---|
| 7XN7 RNA polymerase II elongation complex containing Spt4/5, Elf1, Spt6, Spn1 and Paf1C Deposited 2022-04-28 | Assembly 1 Other combination Heteromer；Protein × 22 PDB declaration: 25-meric（25） Consistent with all polymers |
Chain q
1–1044（1044 aa）
|
Not recorded | ZN ZINC ION × 10 MG MAGNESIUM ION × 1 | ELECTRON MICROSCOPY |
cryo-EM buffer
pH 7.5
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 3.10 Å |
| 7XSE RNA polymerase II elongation complex transcribing a nucleosome (EC42) Deposited 2022-05-13 | Assembly 1 Other combination Heteromer；Protein × 30 PDB declaration: 33-meric（33） Consistent with all polymers |
Chain q
1–1044（1044 aa）
|
Not recorded | ZN ZINC ION × 10 MG MAGNESIUM ION × 1 | ELECTRON MICROSCOPY |
cryo-EM buffer
pH 7.5
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 3.60 Å |
| 7XSX RNA polymerase II elongation complex transcribing a nucleosome (EC49) Deposited 2022-05-15 | Assembly 1 Other combination Heteromer；Protein × 32 PDB declaration: 35-meric（35） Consistent with all polymers |
Chain q
1–1044（1044 aa）
|
Not recorded | ZN ZINC ION × 10 MG MAGNESIUM ION × 1 | ELECTRON MICROSCOPY |
cryo-EM buffer
pH 7.5
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 3.80 Å |
| 7XSZ RNA polymerase II elongation complex transcribing a nucleosome (EC115) Deposited 2022-05-15 | Assembly 1 Other combination Heteromer；Protein × 30 PDB declaration: 33-meric（33） Consistent with all polymers |
Chain q
1–1044（1044 aa）
|
Not recorded | ZN ZINC ION × 10 MG MAGNESIUM ION × 1 | ELECTRON MICROSCOPY |
cryo-EM buffer
pH 7.5
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 3.40 Å |
| 7XT7 RNA polymerase II elongation complex transcribing a nucleosome (EC49B) Deposited 2022-05-16 | Assembly 1 Other combination Heteromer；Protein × 32 PDB declaration: 35-meric（35） Consistent with all polymers |
Chain q
1–1044（1044 aa）
|
Not recorded | ZN ZINC ION × 10 MG MAGNESIUM ION × 1 | ELECTRON MICROSCOPY |
cryo-EM buffer
pH 7.5
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 4.20 Å |
| 7XTD RNA polymerase II elongation complex transcribing a nucleosome (EC58oct) Deposited 2022-05-16 | Assembly 1 Other combination Heteromer；Protein × 32 PDB declaration: 35-meric（35） Consistent with all polymers |
Chain q
1–1044（1044 aa）
|
Not recorded | ZN ZINC ION × 10 MG MAGNESIUM ION × 1 | ELECTRON MICROSCOPY |
cryo-EM buffer
pH 7.5
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 3.90 Å |
| 7XTI RNA polymerase II elongation complex transcribing a nucleosome (EC58hex) Deposited 2022-05-17 | Assembly 1 Other combination Heteromer；Protein × 30 PDB declaration: 33-meric（33） Consistent with all polymers |
Chain q
1–1044（1044 aa）
|
Not recorded | ZN ZINC ION × 10 MG MAGNESIUM ION × 1 | ELECTRON MICROSCOPY |
cryo-EM buffer
pH 7.5
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 3.90 Å |
| 9WMS Co-transcriptional histone H3K36 methylation complex containing RNA polymerase II elongation complex, Set2, and the upstream nucleosome. (temp115, type B) Deposited 2025-09-03 | Assembly 1 Other combination Heteromer；Protein × 31 PDB declaration: 34-meric（34） Consistent with all polymers |
Chain q
1–1044（1044 aa）
|
Not recorded | ZN ZINC ION × 13 MG MAGNESIUM ION × 1 SAH S-ADENOSYL-L-HOMOCYSTEINE × 1 | ELECTRON MICROSCOPY |
cryo-EM buffer
pH 7.5
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 3.40 Å |
| 9WMT Co-transcriptional histone H3K36 methylation complex containing RNA polymerase II elongation complex, Set2, and the upstream nucleosome. (temp115, type A) Deposited 2025-09-03 | Assembly 1 Other combination Heteromer；Protein × 31 PDB declaration: 34-meric（34） Consistent with all polymers |
Chain q
1–1044（1044 aa）
|
Not recorded | ZN ZINC ION × 13 MG MAGNESIUM ION × 1 SAH S-ADENOSYL-L-HOMOCYSTEINE × 1 | ELECTRON MICROSCOPY |
cryo-EM buffer
pH 7.5
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 3.59 Å |
| 9WMU Co-transcriptional histone H3K36 methylation complex containing RNA polymerase II elongation complex, Set2, and the upstream nucleosome. (temp130, type A) Deposited 2025-09-03 | Assembly 1 Other combination Heteromer；Protein × 31 PDB declaration: 34-meric（34） Consistent with all polymers |
Chain q
1–1044（1044 aa）
|
Not recorded | ZN ZINC ION × 13 MG MAGNESIUM ION × 1 SAH S-ADENOSYL-L-HOMOCYSTEINE × 1 | ELECTRON MICROSCOPY |
cryo-EM buffer
pH 7.5
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 4.28 Å |
| 9WMV Co-transcriptional histone H3K36 methylation complex containing RNA polymerase II elongation complex, Set2, and the upstream nucleosome. (temp130, type B) Deposited 2025-09-03 | Assembly 1 Other combination Heteromer；Protein × 31 PDB declaration: 34-meric（34） Consistent with all polymers |
Chain q
1–1044（1044 aa）
|
Not recorded | ZN ZINC ION × 13 MG MAGNESIUM ION × 1 SAH S-ADENOSYL-L-HOMOCYSTEINE × 1 | ELECTRON MICROSCOPY |
cryo-EM buffer
pH 7.5
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 4.66 Å |
| 9WMW Co-transcriptional histone H3K36 methylation complex containing RNA polymerase II elongation complex, Set2, and the upstream nucleosome. (temp115, FACT-hexamer) Deposited 2025-09-03 | Assembly 1 Other combination Heteromer；Protein × 31 PDB declaration: 34-meric（34） Consistent with all polymers |
Chain q
1–1044（1044 aa）
|
Not recorded | ZN ZINC ION × 10 MG MAGNESIUM ION × 1 | ELECTRON MICROSCOPY |
cryo-EM buffer
pH 7.5
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 3.62 Å |