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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：P0A7M0 New Search
13PDB entries
13Biological assembly
13chain/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
8URY Escherichia coli transcription-translation coupled complex class B (TTC-B) containing RfaH bound to ops signal, NusA, mRNA with a 30 nt long spacer, and fMet-tRNA in E-site and P-site of the ribosome Deposited 2023-10-27 Assembly 1 Other combination Heteromer；Protein × 60 PDB declaration: 68-meric（68） Consistent with all polymers
Chain b 1–85（85 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 3.10 Å
8VOS Escherichia coli transcription-translation loosely coupled complex (TTC-LC) containing mRNA with a 60 nt long spacer, NusG, NusA, and fMet-tRNAs in E-site and P-site Deposited 2024-01-15 Assembly 1 Other combination Heteromer；Protein × 60 PDB declaration: 68-meric（68） Consistent with all polymers
Chain b 1–85（85 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 4.60 Å
9AX7 70S initiation complex (tRNA-fMet M1 + CUG start codon) Deposited 2024-03-06 Assembly 1 Protein–RNA Heteromer；Protein × 49 PDB declaration: 54-meric（54） Consistent with all polymers
Chain v 1–85（85 aa）
Not recorded ZN ZINC ION × 2 MG MAGNESIUM ION × 309 IAS BETA-L-ASPARTIC ACID × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.63 Å
9CG5 70S initiation complex (tRNA-fMet M1 + UUG start codon) Deposited 2024-06-28 Assembly 1 Protein–RNA Heteromer；Protein × 49 PDB declaration: 54-meric（54） Consistent with all polymers
Chain v 1–85（85 aa）
Not recorded ZN ZINC ION × 2 MG MAGNESIUM ION × 309 IAS BETA-L-ASPARTIC ACID × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.59 Å
9CG6 70S initiation complex (tRNA-fMet M1 + GUG start codon) Deposited 2024-06-28 Assembly 1 Protein–RNA Heteromer；Protein × 49 PDB declaration: 54-meric（54） Consistent with all polymers
Chain v 1–85（85 aa）
Not recorded ZN ZINC ION × 2 MG MAGNESIUM ION × 309 IAS BETA-L-ASPARTIC ACID × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.61 Å
9CG7 70S initiation complex (tRNA-fMet M1 + AUG start codon) Deposited 2024-06-28 Assembly 1 Protein–RNA Heteromer；Protein × 49 PDB declaration: 54-meric（54） Consistent with all polymers
Chain v 1–85（85 aa）
Not recorded ZN ZINC ION × 2 MG MAGNESIUM ION × 309 IAS BETA-L-ASPARTIC ACID × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.75 Å
9MKK Structure of arbekacin bound Escherichia coli 70S ribosome Deposited 2024-12-17 Assembly 1 Protein–RNA Heteromer；Protein × 47 PDB declaration: 52-meric（52） Consistent with all polymers
Chain v 1–85（85 aa）
Not recorded 84G Arbekacin × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.20 Å
9MOR Damaged 70S ribosome with PrfH bound Deposited 2024-12-27 Assembly 1 Protein–RNA Heteromer；Protein × 52 PDB declaration: 58-meric（58） Consistent with all polymers
Chain W 1–85（85 aa）
Not recorded MG MAGNESIUM ION × 439 ZN ZINC ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.65 Å
9MQ4 Damaged 70S ribosome with PrfH bound Deposited 2025-01-01 Assembly 1 Protein–RNA Heteromer；Protein × 52 PDB declaration: 58-meric（58） Consistent with all polymers
Chain W 1–85（85 aa）
Not recorded MG MAGNESIUM ION × 439 ZN ZINC ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.78 Å
9NL5 E. coli pre-elongation complex without an A-site tRNA with EQ2-EttA in Hydrolytic 1 conformation Deposited 2025-03-02 Assembly 1 Protein–RNA Heteromer；Protein × 51 PDB declaration: 56-meric（56） Consistent with all polymers
Chain 27 1–85（85 aa）
Not recorded MG MAGNESIUM ION × 125 ZN ZINC ION × 1 ATP ADENOSINE-5'-TRIPHOSPHATE × 2 NA SODIUM ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 Å
9NLJ E.coli Initiation complex with Uup-EQ2 Deposited 2025-03-03 Assembly 1 Protein–RNA Heteromer；Protein × 51 PDB declaration: 56-meric（56） Consistent with all polymers
Chain 27 1–85（85 aa）
Not recorded MG MAGNESIUM ION × 277 ATP ADENOSINE-5'-TRIPHOSPHATE × 2 NA SODIUM ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
9O2X Structure of WT E.coli ribosome 70S subunit with complexed with mRNA, P-site fMet-NH-tRNAfMet and A-site (S)-betahydroxyBocK charged NH-tRNAPyl Deposited 2025-04-04 Assembly 1 Protein–RNA Heteromer；Protein × 49 PDB declaration: 55-meric（55） Consistent with all polymers
Chain v 1–85（85 aa）
Not recorded ZN ZINC ION × 2 MG MAGNESIUM ION × 320 FME N-FORMYLMETHIONINE × 1 K POTASSIUM ION × 10 PAR PAROMOMYCIN × 1 SPD SPERMIDINE × 14 SPM SPERMINE × 1 A1B71 (2S)-6-[(tert-butoxycarbonyl)amino]-2-(hydroxymethyl)hexanoic acid × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.29 Å
9O2Y Structure of WT E.coli ribosome 70S subunit with complexed with mRNA, P-site fMet-NH-tRNAfMet and A-site (R) beta-2-hydroxy-BocLysine acid charged NH-tRNAPyl Deposited 2025-04-04 Assembly 1 Protein–RNA Heteromer；Protein × 49 PDB declaration: 55-meric（55） Consistent with all polymers
Chain v 1–85（85 aa）
Not recorded PAR PAROMOMYCIN × 1 MG MAGNESIUM ION × 320 SPD SPERMIDINE × 13 FME N-FORMYLMETHIONINE × 1 SPM SPERMINE × 1 K POTASSIUM ION × 10 ZN ZINC ION × 2 A1B70 (2R)-6-[(tert-butoxycarbonyl)amino]-2-(hydroxymethyl)hexanoic acid × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.14 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.