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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：I4T5W9 New Search
18PDB entries
18Biological assembly
18chain/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
6ORE Release complex 70S Deposited 2019-04-30 Assembly 1 Protein–RNA Heteromer；Protein × 50 PDB declaration: 55-meric（55） Consistent with all polymers
Chain y 2–87（86 aa）
Not recorded MG MAGNESIUM ION × 436 ZN ZINC ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 2.90 Å
6ORL RF1 pre-accommodated 70S complex at 24 ms Deposited 2019-04-30 Assembly 1 Protein–RNA Heteromer；Protein × 50 PDB declaration: 55-meric（55） Consistent with all polymers
Chain y 2–87（86 aa）
Not recorded MG MAGNESIUM ION × 295 ZN ZINC ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 3.50 Å
6OSK RF1 accommodated 70S complex at 60 ms Deposited 2019-05-01 Assembly 1 Protein–RNA Heteromer；Protein × 51 PDB declaration: 56-meric（56） Consistent with all polymers
Chain y 2–87（86 aa）
Not recorded MG MAGNESIUM ION × 307 ZN ZINC ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 3.60 Å
6OSQ RF1 accommodated state bound Release complex 70S at long incubation time point Deposited 2019-05-02 Assembly 1 Protein–RNA Heteromer；Protein × 50 PDB declaration: 55-meric（55） Consistent with all polymers
Chain y 2–87（86 aa）
Not recorded MG MAGNESIUM ION × 436 ZN ZINC ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 3.50 Å
6OST RF2 pre-accommodated state bound Release complex 70S at 24ms Deposited 2019-05-02 Assembly 1 Protein–RNA Heteromer；Protein × 50 PDB declaration: 55-meric（55） Consistent with all polymers
Chain y 2–87（86 aa）
Not recorded MG MAGNESIUM ION × 12 ZN ZINC ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 4.20 Å
6OT3 RF2 accommodated state bound Release complex 70S at 24 ms Deposited 2019-05-02 Assembly 1 Protein–RNA Heteromer；Protein × 51 PDB declaration: 56-meric（56） Consistent with all polymers
Chain y 2–87（86 aa）
Not recorded MG MAGNESIUM ION × 12 ZN ZINC ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 3.90 Å
6OUO RF2 accommodated state bound 70S complex at long incubation time Deposited 2019-05-05 Assembly 1 Protein–RNA Heteromer；Protein × 50 PDB declaration: 55-meric（55） Consistent with all polymers
Chain y 2–87（86 aa）
Not recorded MG MAGNESIUM ION × 12 ZN ZINC ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 3.70 Å
6VU3 Cryo-EM structure of Escherichia coli transcription-translation complex A (TTC-A) containing mRNA with a 12 nt long spacer Deposited 2020-02-14 Assembly 1 Other combination Heteromer；Protein × 58 PDB declaration: 66-meric（66） Consistent with all polymers
Chain E 2–87（86 aa）
Not recorded MG MAGNESIUM ION × 1 ZN ZINC ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.70 Å
7M5D Cryo-EM structure of a non-rotated E.coli 70S ribosome in complex with RF3-GTP, RF1 and P-tRNA (state I) Deposited 2021-03-23 Assembly 1 Protein–RNA Heteromer；Protein × 54 PDB declaration: 59-meric（59） Consistent with all polymers
Chain y 2–87（86 aa）
Not recorded ZN ZINC ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.80 Å
7NSO Structure of ErmDL-Erythromycin-stalled 70S E. coli ribosomal complex with P-tRNA Deposited 2021-03-08 Assembly 1 Protein–RNA Heteromer；Protein × 50 PDB declaration: 55-meric（55） Consistent with all polymers
Chain t 2–87（86 aa）
Not recorded ERY ERYTHROMYCIN A × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 2.90 Å
7NSP Structure of ErmDL-Erythromycin-stalled 70S E. coli ribosomal complex with A and P-tRNA Deposited 2021-03-08 Assembly 1 Protein–RNA Heteromer；Protein × 50 PDB declaration: 56-meric（56） Consistent with all polymers
Chain t 2–87（86 aa）
Not recorded ERY ERYTHROMYCIN A × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 3.50 Å
7NSQ Structure of ErmDL-Telithromycin-stalled 70S E. coli ribosomal complex with A and P-tRNA Deposited 2021-03-08 Assembly 1 Protein–RNA Heteromer；Protein × 50 PDB declaration: 56-meric（56） Consistent with all polymers
Chain t 2–87（86 aa）
Not recorded TEL TELITHROMYCIN × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 3.10 Å
7NWW CspA-27 cotranslational folding intermediate 1 Deposited 2021-03-17 Assembly 1 Protein–RNA Heteromer；Protein × 50 PDB declaration: 55-meric（55） Consistent with all polymers
Chain x 2–87（86 aa）
Not recorded MG MAGNESIUM ION × 413 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 3.05 Å
7O5H Ribosomal methyltransferase KsgA bound to small ribosomal subunit Deposited 2021-04-08 Assembly 1 Protein–RNA Heteromer；Protein × 14 PDB declaration: pentadecameric（15） Consistent with all polymers
Chain T 2–87（86 aa）
Not recorded MG MAGNESIUM ION × 167 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 3.10 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 x 2–87（86 aa）
Not recorded 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 x 2–87（86 aa）
Not recorded 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 x 2–87（86 aa）
Not recorded 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
7OT5 CspA-70 cotranslational folding intermediate 1 Deposited 2021-06-09 Assembly 1 Protein–RNA Heteromer；Protein × 50 PDB declaration: 55-meric（55） Consistent with all polymers
Chain x 2–87（86 aa）
Not recorded MG MAGNESIUM ION × 394 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 2.90 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.