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Protein Structures and Oligomeric States

Enter a protein name, UniProt accession or PDB ID. Name searches ask you to confirm the protein identity before related structures are queried.

Current Protein Identity：A0A8D1AQR7 New Search
12PDB entries
12Biological assembly
12chain/assembly records
Main Difference Dimensions in This Set
Different assembly state Different ligand/ion Different structure-quality metrics

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
8UHA Structure of paused transcription complex Pol II-DSIF-NELF - tilted Deposited 2023-10-08 Assembly 1 Other combination Heteromer；Protein × 18 PDB declaration: 21-meric（21） Consistent with all polymers
Chain H 1–150（150 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.50 Å
8UHD Structure of paused transcription complex Pol II-DSIF-NELF - post-translocated Deposited 2023-10-08 Assembly 1 Other combination Heteromer；Protein × 18 PDB declaration: 21-meric（21） Consistent with all polymers
Chain H 1–150（150 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.80 Å
8UHG Structure of paused transcription complex Pol II-DSIF-NELF - poised post-translocated Deposited 2023-10-09 Assembly 1 Other combination Heteromer；Protein × 17 PDB declaration: eicosameric（20） Consistent with all polymers
Chain H 1–150（150 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.70 Å
8UI0 Structure of poised transcription complex Pol II-DSIF-NELF - pre-translocated Deposited 2023-10-09 Assembly 1 Other combination Heteromer；Protein × 17 PDB declaration: eicosameric（20） Consistent with all polymers
Chain H 1–150（150 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.70 Å
8UIS Structure of transcription complex Pol II-DSIF-NELF-TFIIS Deposited 2023-10-10 Assembly 1 Other combination Heteromer；Protein × 16 PDB declaration: nonadecameric（19） Consistent with all polymers
Chain H 1–150（150 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.23 Å
9BZ0 Structure of an STK19-containing TC-NER complex Deposited 2024-05-24 Assembly 1 Other combination Heteromer；Protein × 19 PDB declaration: 22-meric（22） Consistent with all polymers
Chain H 1–150（150 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 1.90 Å
9EGX RNA polymerase II-DSIF-SPT6-PAF1c-TFIIS-IWS1-hexasome, bp +27 Deposited 2024-11-21 Assembly 1 Other combination Heteromer；Protein × 29 PDB declaration: 32-meric（32） Consistent with all polymers
Chain H 1–150（150 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.90 Å
9EGY RNA polymerase II-DSIF-SPT6-PAF1c-TFIIS-IWS1-nucleosome, bp +27 Deposited 2024-11-21 Assembly 1 Other combination Heteromer；Protein × 31 PDB declaration: 34-meric（34） Consistent with all polymers
Chain H 1–150（150 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.90 Å
9EGZ RNA polymerase II-DSIF-SPT6-PAF1c-TFIIS-IWS1-SETD2-nucleosome, bp +27 Deposited 2024-11-21 Assembly 1 Other combination Heteromer；Protein × 32 PDB declaration: 35-meric（35） Consistent with all polymers
Chain H 1–150（150 aa）
Not recorded ZN ZINC ION × 12 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.90 Å
9EH0 RNA polymerase II-DSIF-SPT6-PAF1c-TFIIS-IWS1-SETD2-nucleosome, 30 bp upstream Deposited 2024-11-21 Assembly 1 Other combination Heteromer；Protein × 32 PDB declaration: 35-meric（35） Consistent with all polymers
Chain H 1–150（150 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.60 Å
9EH2 RNA polymerase II-DSIF-SPT6-PAF1c-TFIIS-IWS1-SETD2-FACT nucleosome upstream Deposited 2024-11-21 Assembly 1 Other combination Heteromer；Protein × 32 PDB declaration: 35-meric（35） Consistent with all polymers
Chain H 1–150（150 aa）
Not recorded ZN ZINC ION × 9 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
9MLC Pol II-DSIF-SPT6-PAF1c-TFIIS-IWS1-ELOF1-LEDGF-nucleosome activated elongation complex Composite map T Deposited 2024-12-19 Assembly 1 Other combination Heteromer；Protein × 24 PDB declaration: 27-meric（27） Consistent with all polymers
Chain H 1–150（150 aa）
Not recorded ZN ZINC ION × 10 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.40 Å

This page presents structural evidence recorded in PDB/mmCIF.“No recorded non-water small molecule” does not prove that the experimental sample was ligand-free; experimental conditions belong to the PDB experiment, while ligands and copy counts are shown for each biological assembly.