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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：Q9Y221 New Search
8PDB entries
8Biological assembly
8chain/assembly records
Main Difference Dimensions in This Set
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
1SQW Crystal structure of KD93, a novel protein expressed in the human pro Deposited 2004-03-19 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–180（180 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.6；291 K；28% PEG 4000, 0.2M MgCl2, 0.1M sodium acetate buffer, pH 5.6, VAPOR DIFFUSION, HANGING DROP, temperature 291K
Resolution 1.90 Å R-free 0.261
1T5Y Crystal Structure of Northeast Structural Genomics Consortium Target HR2118: A Human Homolog of Saccharomyces cerevisiae Nip7p Deposited 2004-05-05 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–180（180 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.8；200 mM magnesium sulfate, 20% PEG, 100 mM sodium acetate, 10 mM DTT, pH 5.8, VAPOR DIFFUSION, HANGING DROP
Resolution 2.50 Å R-free 0.294
8FKT Human nucleolar pre-60S ribosomal subunit (State C1) Deposited 2022-12-21 Assembly 1 Protein–RNA Heteromer；Protein × 50 PDB declaration: 53-meric（53） Consistent with all polymers
Chain NH 1–180（180 aa）
Not recorded MG MAGNESIUM ION × 64 ZN ZINC ION × 2 ADP ADENOSINE-5'-DIPHOSPHATE × 1 SF4 IRON/SULFUR CLUSTER × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1 K POTASSIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE；Four applications with manual blotting before last blotting with the vitrobot.
Resolution 2.81 Å
8FKU Human nucleolar pre-60S ribosomal subunit (State C2) Deposited 2022-12-21 Assembly 1 Protein–RNA Heteromer；Protein × 47 PDB declaration: 50-meric（50） Consistent with all polymers
Chain NH 1–180（180 aa）
Not recorded MG MAGNESIUM ION × 58 ZN ZINC ION × 2 ADP ADENOSINE-5'-DIPHOSPHATE × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1 K POTASSIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE；Four applications with manual blotting before last blotting with the vitrobot.
Resolution 2.82 Å
8FKV Human nucleolar pre-60S ribosomal subunit (State D1) Deposited 2022-12-21 Assembly 1 Protein–RNA Heteromer；Protein × 53 PDB declaration: 56-meric（56） Consistent with all polymers
Chain NH 1–180（180 aa）
Not recorded MG MAGNESIUM ION × 65 ZN ZINC ION × 2 ADP ADENOSINE-5'-DIPHOSPHATE × 1 SF4 IRON/SULFUR CLUSTER × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1 K POTASSIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE；Four applications with manual blotting before last blotting with the vitrobot.
Resolution 2.47 Å
8FKW Human nucleolar pre-60S ribosomal subunit (State D2) Deposited 2022-12-21 Assembly 1 Protein–RNA Heteromer；Protein × 50 PDB declaration: 53-meric（53） Consistent with all polymers
Chain NH 1–180（180 aa）
Not recorded MG MAGNESIUM ION × 59 ZN ZINC ION × 2 ADP ADENOSINE-5'-DIPHOSPHATE × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1 K POTASSIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE；Four applications with manual blotting before last blotting with the vitrobot.
Resolution 2.50 Å
8FKX Human nucleolar pre-60S ribosomal subunit (State E) Deposited 2022-12-21 Assembly 1 Protein–RNA Heteromer；Protein × 50 PDB declaration: 53-meric（53） Consistent with all polymers
Chain NH 1–180（180 aa）
Not recorded MG MAGNESIUM ION × 61 ZN ZINC ION × 2 ADP ADENOSINE-5'-DIPHOSPHATE × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1 K POTASSIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE；Four applications with manual blotting before last blotting with the vitrobot.
Resolution 2.59 Å
8FKY Human nucleolar pre-60S ribosomal subunit (State F) Deposited 2022-12-21 Assembly 1 Protein–RNA Heteromer；Protein × 56 PDB declaration: 59-meric（59） Consistent with all polymers
Chain NH 1–180（180 aa）
Not recorded MG MAGNESIUM ION × 70 ZN ZINC ION × 3 ADP ADENOSINE-5'-DIPHOSPHATE × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1 K POTASSIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE；Four applications with manual blotting before last blotting with the vitrobot.
Resolution 2.67 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.