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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：P56182 New Search
4PDB entries
4Biological assembly
4chain/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
8FKP Human nucleolar pre-60S ribosomal subunit (State A1) Deposited 2022-12-21 Assembly 1 Protein–RNA Heteromer；Protein × 44 PDB declaration: 47-meric（47） Consistent with all polymers
Chain NO 1–461（461 aa）
Not recorded MG MAGNESIUM ION × 54 ZN ZINC ION × 2 SF4 IRON/SULFUR CLUSTER × 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 2.85 Å
8FKR Human nucleolar pre-60S ribosomal subunit (State B1) Deposited 2022-12-21 Assembly 1 Protein–RNA Heteromer；Protein × 48 PDB declaration: 51-meric（51） Consistent with all polymers
Chain NO 1–461（461 aa）
Not recorded MG MAGNESIUM ION × 54 ZN ZINC ION × 2 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 2.89 Å
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 NO 1–461（461 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
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 NO 1–461（461 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

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.