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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：Q04217 New Search
22PDB entries
22Biological assembly
22chain/assembly records
Main Difference Dimensions in This Set
Different construct Different mutation/modification Different assembly state Different ligand/ion Different experimental method 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
6H57 Crystal structure of S. cerevisiae DEAH-box RNA helicase Dhr1, essential for small ribosomal subunit biogenesis Deposited 2018-07-24 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–1267（1267 aa）
Not recorded EDO 1,2-ETHANEDIOL × 14 MG MAGNESIUM ION × 1 CL CHLORIDE ION × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.5；278 K；0.2 M MgCl2; 0.1 M Tris pH 8.5 and 20% (w/v) PEG 8000
Resolution 2.30 Å R-free 0.245
6ZQD Cryo-EM structure of the 90S pre-ribosome from Saccharomyces cerevisiae, state Post-A1 Deposited 2020-07-09 Assembly 1 Protein–RNA Heteromer；Protein × 63 PDB declaration: 66-meric（66） Consistent with all polymers
Chain JD 1–1267（1267 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 3.80 Å
6ZQE Cryo-EM structure of the 90S pre-ribosome from Saccharomyces cerevisiae, state Dis-A (Poly-Ala) Deposited 2020-07-09 Assembly 1 Protein–RNA Heteromer；Protein × 59 PDB declaration: 62-meric（62） Consistent with all polymers
Chain JD 1–1267（1267 aa）
Not recorded ZN ZINC ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 7.10 Å
6ZQF Cryo-EM structure of the 90S pre-ribosome from Saccharomyces cerevisiae, state Dis-B (Poly-Ala) Deposited 2020-07-09 Assembly 1 Protein–RNA Heteromer；Protein × 39 PDB declaration: 42-meric（42） Consistent with all polymers
Chain JD 1–1267（1267 aa）
Not recorded ZN ZINC ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.90 Å
6ZQG Cryo-EM structure of the 90S pre-ribosome from Saccharomyces cerevisiae, state Dis-C Deposited 2020-07-09 Assembly 1 Protein–RNA Heteromer；Protein × 34 PDB declaration: 37-meric（37） Consistent with all polymers
Chain JD 1–1267（1267 aa）
Not recorded ZN ZINC ION × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 39 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.50 Å
7AJU Cryo-EM structure of the 90S-exosome super-complex (state Post-A1-exosome) Deposited 2020-09-29 Assembly 1 Protein–RNA Heteromer；Protein × 74 PDB declaration: 78-meric（78） Consistent with all polymers
Chain JD 1–1267（1267 aa）
Not recorded ZN ZINC ION × 3 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.80 Å
7D4I Cryo-EM structure of 90S small ribosomal precursors complex with the DEAH-box RNA helicase Dhr1 (State F) Deposited 2020-09-24 Assembly 1 Protein–RNA Heteromer；Protein × 79 PDB declaration: 82-meric（82） Consistent with all polymers
Chain RZ 1–1267（1267 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 4.00 Å
7D5T Cryo-EM structure of 90S preribosome with inactive Utp24 (state F1) Deposited 2020-09-28 Assembly 1 Protein–RNA Heteromer；Protein × 52 PDB declaration: 55-meric（55） Consistent with all polymers
Chain RZ 1–1267（1267 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 6.00 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 RZ 1–1267（1267 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
7MQJ Dhr1 Helicase Core Deposited 2021-05-05 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 379–1174（796 aa） Fragment：UNP residues 379-1174
Not recorded MG MAGNESIUM ION × 1 ADP ADENOSINE-5'-DIPHOSPHATE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；277.15 K；PEG6000, HEPES, pH 7.0, magnesium chloride, ADP
Resolution 2.23 Å R-free 0.227
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 NS 1–1267（1267 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 NS 1–1267（1267 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 NS 1–1267（1267 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 NS 1–1267（1267 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
9N74 SSU processome maturation and disassembly, State H Deposited 2025-02-05 Assembly 1 Protein–RNA Heteromer；Protein × 68 PDB declaration: 71-meric（71） Consistent with all polymers
Chain NS 1–1267（1267 aa）
Not recorded MG MAGNESIUM ION × 39 ATP ADENOSINE-5'-TRIPHOSPHATE × 1 ZN ZINC ION × 3 ADP ADENOSINE-5'-DIPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.65 Å
9N75 SSU processome maturation and disassembly, State I Deposited 2025-02-05 Assembly 1 Protein–RNA Heteromer；Protein × 65 PDB declaration: 68-meric（68） Consistent with all polymers
Chain NS 1–1267（1267 aa）
Not recorded MG MAGNESIUM ION × 59 ATP ADENOSINE-5'-TRIPHOSPHATE × 1 ZN ZINC ION × 3 ADP ADENOSINE-5'-DIPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.01 Å
9N76 SSU processome maturation and disassembly, State J Deposited 2025-02-05 Assembly 1 Protein–RNA Heteromer；Protein × 64 PDB declaration: 67-meric（67） Consistent with all polymers
Chain NS 1–1267（1267 aa）
Not recorded MG MAGNESIUM ION × 38 ATP ADENOSINE-5'-TRIPHOSPHATE × 1 ZN ZINC ION × 2 ADP ADENOSINE-5'-DIPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.20 Å
9N77 SSU processome maturation and disassembly, State K Deposited 2025-02-05 Assembly 1 Protein–RNA Heteromer；Protein × 61 PDB declaration: 64-meric（64） Consistent with all polymers
Chain NS 1–1267（1267 aa）
Not recorded MG MAGNESIUM ION × 48 ZN ZINC ION × 2 ADP ADENOSINE-5'-DIPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.94 Å
9N78 SSU processome maturation and disassembly, State L Deposited 2025-02-05 Assembly 1 Protein–RNA Heteromer；Protein × 56 PDB declaration: 59-meric（59） Consistent with all polymers
Chain NS 1–1267（1267 aa）
Not recorded MG MAGNESIUM ION × 47 ZN ZINC ION × 2 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.17 Å
9N79 SSU processome maturation and disassembly, State M Deposited 2025-02-05 Assembly 1 Protein–RNA Heteromer；Protein × 42 PDB declaration: 45-meric（45） Consistent with all polymers
Chain NS 1–1267（1267 aa）
Not recorded MG MAGNESIUM ION × 47 ZN ZINC ION × 2 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.93 Å
9N7A SSU processome maturation and disassembly, State N Deposited 2025-02-05 Assembly 1 Protein–RNA Heteromer；Protein × 36 PDB declaration: 39-meric（39） Consistent with all polymers
Chain NS 1–1267（1267 aa）
Not recorded MG MAGNESIUM ION × 47 ZN ZINC ION × 2 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.84 Å
9N7B SSU processome maturation and disassembly, State O Deposited 2025-02-05 Assembly 1 Protein–RNA Heteromer；Protein × 34 PDB declaration: 37-meric（37） Consistent with all polymers
Chain NS 1–1267（1267 aa）
Not recorded MG MAGNESIUM ION × 47 ZN ZINC ION × 2 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.25 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.