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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：V6FZ95 New Search
18PDB entries
18Biological assembly
18chain/assembly records
Main Difference Dimensions in This Set
Different mutation/modification 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
6NQB Role of Era in Assembly and Homeostasis of the Ribosomal Small Subunit Deposited 2019-01-20 Assembly 1 Protein–RNA Heteromer；Protein × 15 PDB declaration: hexadecameric（16） Consistent with all polymers
Chain L 2–124（123 aa）
Not recorded MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.80 Å
6O7K 30S initiation complex Deposited 2019-03-08 Assembly 1 Protein–RNA Heteromer；Protein × 22 PDB declaration: 25-meric（25） Consistent with all polymers
Chain t 2–124（123 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.20 Å
6O9J 70S Elongation Competent Ribosome Deposited 2019-03-14 Assembly 1 Protein–RNA Heteromer；Protein × 49 PDB declaration: 53-meric（53） Consistent with all polymers
Chain l 2–124（123 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.2
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.90 Å
6O9K 70S initiation complex Deposited 2019-03-14 Assembly 1 Protein–RNA Heteromer；Protein × 50 PDB declaration: 55-meric（55） Consistent with all polymers
Chain l 2–124（123 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.00 Å
6VZ7 Escherichia coli transcription-translation complex C1 (TTC-C1) containing a 27 nt long mRNA spacer, NusG, and fMet-tRNAs at P-site and E-site Deposited 2020-02-27 Assembly 1 Other combination Heteromer；Protein × 56 PDB declaration: 65-meric（65） Consistent with all polymers
Chain R 2–124（123 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 7.00 Å
6WD0 Cryo-EM of elongating ribosome with EF-Tu*GTP elucidates tRNA proofreading (Cognate Structure I-A) Deposited 2020-03-31 Assembly 1 Protein–RNA Heteromer；Protein × 51 PDB declaration: 57-meric（57） Consistent with all polymers
Chain Q 2–124（123 aa）
Not recorded FME N-FORMYLMETHIONINE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 Å
6WD1 Cryo-EM of elongating ribosome with EF-Tu*GTP elucidates tRNA proofreading (Cognate Structure I-B) Deposited 2020-03-31 Assembly 1 Protein–RNA Heteromer；Protein × 51 PDB declaration: 56-meric（56） Consistent with all polymers
Chain Q 2–124（123 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 Å
6WD2 Cryo-EM of elongating ribosome with EF-Tu*GTP elucidates tRNA proofreading (Cognate Structure II-A) Deposited 2020-03-31 Assembly 1 Protein–RNA Heteromer；Protein × 52 PDB declaration: 59-meric（59） Consistent with all polymers
Chain Q 2–124（123 aa）
Not recorded FME N-FORMYLMETHIONINE × 1 PHE PHENYLALANINE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.60 Å
6WD3 Cryo-EM of elongating ribosome with EF-Tu*GTP elucidates tRNA proofreading (Cognate Structure II-B1) Deposited 2020-03-31 Assembly 1 Protein–RNA Heteromer；Protein × 52 PDB declaration: 59-meric（59） Consistent with all polymers
Chain Q 2–124（123 aa）
Not recorded FME N-FORMYLMETHIONINE × 1 PHE PHENYLALANINE × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.60 Å
6WD4 Cryo-EM of elongating ribosome with EF-Tu*GTP elucidates tRNA proofreading (Cognate Structure II-B2) Deposited 2020-03-31 Assembly 1 Protein–RNA Heteromer；Protein × 52 PDB declaration: 59-meric（59） Consistent with all polymers
Chain Q 2–124（123 aa）
Not recorded FME N-FORMYLMETHIONINE × 1 PHE PHENYLALANINE × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.70 Å
6WD5 Cryo-EM of elongating ribosome with EF-Tu*GTP elucidates tRNA proofreading (Cognate Structure II-C1) Deposited 2020-03-31 Assembly 1 Protein–RNA Heteromer；Protein × 52 PDB declaration: 59-meric（59） Consistent with all polymers
Chain Q 2–124（123 aa）
Not recorded FME N-FORMYLMETHIONINE × 1 PHE PHENYLALANINE × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.60 Å
6WD7 Cryo-EM of elongating ribosome with EF-Tu*GTP elucidates tRNA proofreading (Cognate Structure II-D) Deposited 2020-03-31 Assembly 1 Protein–RNA Heteromer；Protein × 52 PDB declaration: 59-meric（59） Consistent with all polymers
Chain Q 2–124（123 aa）
Not recorded FME N-FORMYLMETHIONINE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.90 Å
6WD8 Cryo-EM of elongating ribosome with EF-Tu*GTP elucidates tRNA proofreading (Cognate Structure III-A) Deposited 2020-03-31 Assembly 1 Protein–RNA Heteromer；Protein × 52 PDB declaration: 59-meric（59） Consistent with all polymers
Chain Q 2–124（123 aa）
Not recorded FME N-FORMYLMETHIONINE × 1 PHE PHENYLALANINE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.70 Å
6WD9 Cryo-EM of elongating ribosome with EF-Tu*GTP elucidates tRNA proofreading (Cognate Structure III-B) Deposited 2020-03-31 Assembly 1 Protein–RNA Heteromer；Protein × 52 PDB declaration: 59-meric（59） Consistent with all polymers
Chain Q 2–124（123 aa）
Not recorded FME N-FORMYLMETHIONINE × 1 PHE PHENYLALANINE × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.70 Å
6WDA Cryo-EM of elongating ribosome with EF-Tu*GTP elucidates tRNA proofreading (Cognate Structure III-C) Deposited 2020-03-31 Assembly 1 Protein–RNA Heteromer；Protein × 52 PDB declaration: 59-meric（59） Consistent with all polymers
Chain Q 2–124（123 aa）
Not recorded FME N-FORMYLMETHIONINE × 1 PHE PHENYLALANINE × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.80 Å
7OIF CspA-27 cotranslational folding intermediate 2 Deposited 2021-05-11 Assembly 1 Protein–RNA Heteromer；Protein × 50 PDB declaration: 55-meric（55） Consistent with all polymers
Chain p 2–124（123 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) MG MAGNESIUM ION × 416 ZN ZINC ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；50 mM Tris-HCl, 70 mM NH4Cl, 30 mM KCl, 3.5 mM MgCl2, 8 mM putrescine, 0.5 mM spermidine, 1 mM DTT, 1 mM GTP, pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 Å
7OIG CspA-27 cotranslational folding intermediate 3 Deposited 2021-05-11 Assembly 1 Protein–RNA Heteromer；Protein × 50 PDB declaration: 55-meric（55） Consistent with all polymers
Chain p 2–124（123 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) MG MAGNESIUM ION × 400 ZN ZINC ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；50 mM Tris-HCl, 70 mM NH4Cl, 30 mM KCl, 3.5 mM MgCl2, 8 mM putrescine, 0.5 mM spermidine, 1 mM DTT, 1 mM GTP, pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.20 Å
7OII CspA-70 cotranslational folding intermediate 2 Deposited 2021-05-11 Assembly 1 Protein–RNA Heteromer；Protein × 50 PDB declaration: 55-meric（55） Consistent with all polymers
Chain p 2–124（123 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) MG MAGNESIUM ION × 422 ZN ZINC ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；50 mM Tris-HCl, 70 mM NH4Cl, 30 mM KCl, 3.5 mM MgCl2, 8 mM putrescine, 0.5 mM spermidine, 1 mM DTT, 1 mM GTP, pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 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.