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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：Q13895 New Search
10PDB entries
10Biological assembly
10chain/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
6G18 Cryo-EM structure of a late human pre-40S ribosomal subunit - State C Deposited 2018-03-20 Assembly 1 Protein–RNA Heteromer；Protein × 34 PDB declaration: 35-meric（35） Consistent with all polymers
Chain w 1–437（437 aa）
Not recorded ZN ZINC ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.60 Å
6G4S Cryo-EM structure of a late human pre-40S ribosomal subunit - State B Deposited 2018-03-28 Assembly 1 Protein–RNA Heteromer；Protein × 32 PDB declaration: 33-meric（33） Consistent with all polymers
Chain w 1–437（437 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.00 Å
6G4W Cryo-EM structure of a late human pre-40S ribosomal subunit - State A Deposited 2018-03-28 Assembly 1 Protein–RNA Heteromer；Protein × 30 PDB declaration: 31-meric（31） Consistent with all polymers
Chain w 1–437（437 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.50 Å
7WTT Cryo-EM structure of a human pre-40S ribosomal subunit - State RRP12-A1 (with CK1) Deposited 2022-02-05 Assembly 1 Protein–RNA Heteromer；Protein × 33 PDB declaration: 34-meric（34） Consistent with all polymers
Chain w 1–437（437 aa）
Not recorded SAH S-ADENOSYL-L-HOMOCYSTEINE × 1 ZN ZINC ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
7WTU Cryo-EM structure of a human pre-40S ribosomal subunit - State RRP12-A1 (without CK1) Deposited 2022-02-05 Assembly 1 Protein–RNA Heteromer；Protein × 32 PDB declaration: 33-meric（33） Consistent with all polymers
Chain w 1–437（437 aa）
Not recorded SAH S-ADENOSYL-L-HOMOCYSTEINE × 1 ZN ZINC ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 Å
7WTV Cryo-EM structure of a human pre-40S ribosomal subunit - State RRP12-A2 Deposited 2022-02-05 Assembly 1 Protein–RNA Heteromer；Protein × 34 PDB declaration: 35-meric（35） Consistent with all polymers
Chain w 1–437（437 aa）
Not recorded ZN ZINC ION × 1 SAH S-ADENOSYL-L-HOMOCYSTEINE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.50 Å
7WTW Cryo-EM structure of a human pre-40S ribosomal subunit - State RRP12-A3 Deposited 2022-02-05 Assembly 1 Protein–RNA Heteromer；Protein × 36 PDB declaration: 37-meric（37） Consistent with all polymers
Chain w 1–437（437 aa）
Not recorded ZN ZINC ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.20 Å
7WTX Cryo-EM structure of a human pre-40S ribosomal subunit - State RRP12-B1 Deposited 2022-02-05 Assembly 1 Protein–RNA Heteromer；Protein × 33 PDB declaration: 34-meric（34） Consistent with all polymers
Chain w 1–437（437 aa）
Not recorded ZN ZINC ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
7WTZ Cryo-EM structure of a human pre-40S ribosomal subunit - State RRP12-B2 Deposited 2022-02-05 Assembly 1 Protein–RNA Heteromer；Protein × 33 PDB declaration: 34-meric（34） Consistent with all polymers
Chain w 1–437（437 aa）
Not recorded ZN ZINC ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 Å
7WU0 Cryo-EM structure of a human pre-40S ribosomal subunit - State RRP12-B3 Deposited 2022-02-05 Assembly 1 Protein–RNA Heteromer；Protein × 34 PDB declaration: 35-meric（35） Consistent with all polymers
Chain w 1–437（437 aa）
Not recorded ZN ZINC ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 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.