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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：Q06631 New Search
19PDB entries
19Biological assembly
19chain/assembly records
Main Difference Dimensions in This Set
Different assembly state Different ligand/ion Different experimental conditions 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
6LQP Cryo-EM structure of 90S small subunit preribosomes in transition states (State A) Deposited 2020-01-14 Assembly 1 Protein–RNA Heteromer；Protein × 70 PDB declaration: 73-meric（73） Consistent with all polymers
Chain RY 1–534（534 aa）
Not recorded ZN ZINC ION × 2 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.20 Å
6LQQ Cryo-EM structure of 90S small subunit preribosomes in transition states (State B) Deposited 2020-01-14 Assembly 1 Protein–RNA Heteromer；Protein × 67 PDB declaration: 70-meric（70） Consistent with all polymers
Chain RY 1–534（534 aa）
Not recorded ZN ZINC ION × 2 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.10 Å
6LQR Cryo-EM structure of 90S small subunit preribosomes in transition states (State C) Deposited 2020-01-14 Assembly 1 Protein–RNA Heteromer；Protein × 65 PDB declaration: 68-meric（68） Consistent with all polymers
Chain RY 1–534（534 aa）
Not recorded ZN ZINC ION × 2 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 8.60 Å
6LQU Cryo-EM structure of 90S small subunit preribosomes in transition states (State A1) Deposited 2020-01-14 Assembly 1 Protein–RNA Heteromer；Protein × 69 PDB declaration: 72-meric（72） Consistent with all polymers
Chain RY 1–534（534 aa）
Not recorded ZN ZINC ION × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.70 Å
6LQV Cryo-EM structure of 90S small subunit preribosomes in transition states (State C1) Deposited 2020-01-14 Assembly 1 Protein–RNA Heteromer；Protein × 55 PDB declaration: 58-meric（58） Consistent with all polymers
Chain RY 1–534（534 aa）
Not recorded ZN ZINC ION × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.80 Å
6ZQB Cryo-EM structure of the 90S pre-ribosome from Saccharomyces cerevisiae, state B2 Deposited 2020-07-09 Assembly 1 Protein–RNA Heteromer；Protein × 68 PDB declaration: 71-meric（71） Consistent with all polymers
Chain JK 1–534（534 aa）
Not recorded ZN ZINC ION × 2 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.90 Å
6ZQC Cryo-EM structure of the 90S pre-ribosome from Saccharomyces cerevisiae, state Pre-A1 Deposited 2020-07-09 Assembly 1 Protein–RNA Heteromer；Protein × 68 PDB declaration: 71-meric（71） Consistent with all polymers
Chain JK 1–534（534 aa）
Not recorded ZN ZINC ION × 2 MG MAGNESIUM ION × 2 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.80 Å
7AJT Cryo-EM structure of the 90S-exosome super-complex (state Pre-A1-exosome) Deposited 2020-09-29 Assembly 1 Protein–RNA Heteromer；Protein × 79 PDB declaration: 83-meric（83） Consistent with all polymers
Chain JK 1–534（534 aa）
Not recorded ZN ZINC ION × 3 MG MAGNESIUM ION × 3 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.60 Å
7D63 Cryo-EM structure of 90S preribosome with inactive Utp24 (state C) Deposited 2020-09-29 Assembly 1 Protein–RNA Heteromer；Protein × 68 PDB declaration: 71-meric（71） Consistent with all polymers
Chain RY 1–534（534 aa）
Not recorded ZN ZINC ION × 2 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 1 ADP ADENOSINE-5'-DIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 12.30 Å
7SUK Structure of Bfr2-Lcp5 Complex Observed in the Small Subunit Processome Isolated from R2TP-depleted Yeast Cells Deposited 2021-11-17 Assembly 1 Protein–RNA Heteromer；Protein × 67 PDB declaration: 70-meric（70） Consistent with all polymers
Chain 5 1–534（534 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.7
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.99 Å
9G33 Stalled 90S - Utp23-Krr1-deltaC3 Deposited 2024-07-11 Assembly 1 Protein–RNA Heteromer；Protein × 62 PDB declaration: 65-meric（65） Consistent with all polymers
Chain JK 1–534（534 aa）
Not recorded GTP GUANOSINE-5'-TRIPHOSPHATE × 1 ZN ZINC ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.05 Å
9N6V SSU processome maturation and disassembly, State A Deposited 2025-02-05 Assembly 1 Protein–RNA Heteromer；Protein × 69 PDB declaration: 72-meric（72） Consistent with all polymers
Chain NN 1–534（534 aa）
Not recorded MG MAGNESIUM ION × 25 ATP ADENOSINE-5'-TRIPHOSPHATE × 1 ZN ZINC ION × 2 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.16 Å
9N6W SSU processome maturation and disassembly, State A* Deposited 2025-02-05 Assembly 1 Protein–RNA Heteromer；Protein × 69 PDB declaration: 72-meric（72） Consistent with all polymers
Chain NN 1–534（534 aa）
Not recorded MG MAGNESIUM ION × 25 ATP ADENOSINE-5'-TRIPHOSPHATE × 1 ZN ZINC ION × 2 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.05 Å
9N6X SSU processome maturation and disassembly, State B Deposited 2025-02-05 Assembly 1 Protein–RNA Heteromer；Protein × 69 PDB declaration: 72-meric（72） Consistent with all polymers
Chain NN 1–534（534 aa）
Not recorded MG MAGNESIUM ION × 34 ATP ADENOSINE-5'-TRIPHOSPHATE × 1 ZN ZINC ION × 2 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.71 Å
9N6Y SSU processome maturation and disassembly, State C Deposited 2025-02-05 Assembly 1 Protein–RNA Heteromer；Protein × 70 PDB declaration: 73-meric（73） Consistent with all polymers
Chain NN 1–534（534 aa）
Not recorded MG MAGNESIUM ION × 34 ATP ADENOSINE-5'-TRIPHOSPHATE × 1 ZN ZINC ION × 2 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.65 Å
9N6Z SSU processome maturation and disassembly, State D Deposited 2025-02-05 Assembly 1 Protein–RNA Heteromer；Protein × 69 PDB declaration: 72-meric（72） Consistent with all polymers
Chain NN 1–534（534 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.74 Å
9N70 SSU processome maturation and disassembly, State E Deposited 2025-02-05 Assembly 1 Protein–RNA Heteromer；Protein × 69 PDB declaration: 72-meric（72） Consistent with all polymers
Chain NN 1–534（534 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 5.17 Å
9N72 SSU processome maturation and disassembly, State F Deposited 2025-02-05 Assembly 1 Protein–RNA Heteromer；Protein × 70 PDB declaration: 73-meric（73） Consistent with all polymers
Chain NN 1–534（534 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 5.94 Å
9N73 SSU processome maturation and disassembly, State G Deposited 2025-02-05 Assembly 1 Protein–RNA Heteromer；Protein × 71 PDB declaration: 74-meric（74） Consistent with all polymers
Chain NN 1–534（534 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 5.96 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.