← Back to search

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：S1EA57 New Search
59PDB entries
59Biological assembly
59chain/assembly records
Main Difference Dimensions in This Set
Different construct Different assembly state Different ligand/ion Different experimental method 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
6LKQ The Structural Basis for Inhibition of Ribosomal Translocation by Viomycin Deposited 2019-12-20 Assembly 1 Protein–RNA Heteromer；Protein × 59 PDB declaration: 63-meric（63） Consistent with all polymers
Chain R 3–81（79 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；295 K；Tris Ac PH.7.0, 25-35 mM KCL, 6.1% PEG 20000, 1% glycerol, 50mM sucrose
Resolution 3.10 Å R-free 0.240
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 W 2–84（83 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
6VYU Escherichia coli transcription-translation complex C2 (TTC-C2) containing a 27 nt long mRNA spacer Deposited 2020-02-27 Assembly 1 Other combination Heteromer；Protein × 56 PDB declaration: 65-meric（65） Consistent with all polymers
Chain W 1–92（92 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
6VZ3 Escherichia coli transcription-translation complex D2 (TTC-D2) containing mRNA with a 27 nt long spacer Deposited 2020-02-27 Assembly 1 Other combination Heteromer；Protein × 56 PDB declaration: 65-meric（65） Consistent with all polymers
Chain W 2–84（83 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 8.90 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 W 2–84（83 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
6VZJ Escherichia coli transcription-translation complex A1 (TTC-A1) containing mRNA with a 15 nt long spacer, fMet-tRNAs at E-site and P-site, and lacking transcription factor NusG Deposited 2020-02-28 Assembly 1 Other combination Heteromer；Protein × 57 PDB declaration: 65-meric（65） Consistent with all polymers
Chain W 2–84（83 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 4.10 Å
7QGN Structure of the SmrB-bound E. coli disome - stalled 70S ribosome Deposited 2021-12-09 Assembly 1 Protein–RNA Heteromer；Protein × 53 PDB declaration: 58-meric（58） Consistent with all polymers
Chain t 1–92（92 aa）
Not recorded MG MAGNESIUM ION × 2 K POTASSIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.37 Å
7QGR Structure of the SmrB-bound E. coli disome - collided 70S ribosome Deposited 2021-12-09 Assembly 1 Protein–RNA Heteromer；Protein × 53 PDB declaration: 59-meric（59） Consistent with all polymers
Chain J 1–92（92 aa）
Not recorded MG MAGNESIUM ION × 2 K POTASSIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 5.70 Å
7S1I Wild-type Escherichia coli stalled ribosome with antibiotic radezolid Deposited 2021-09-02 Assembly 1 Protein–RNA Heteromer；Protein × 50 PDB declaration: 55-meric（55） Consistent with all polymers
Chain 1 1–92（92 aa）
Not recorded MG MAGNESIUM ION × 209 RD8 Radezolid × 1 ZN ZINC ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.48 Å
7S1J Wild-type Escherichia coli ribosome with antibiotic radezolid Deposited 2021-09-02 Assembly 1 Protein–RNA Heteromer；Protein × 49 PDB declaration: 52-meric（52） Consistent with all polymers
Chain 1 1–92（92 aa）
Not recorded MG MAGNESIUM ION × 199 RD8 Radezolid × 1 ZN ZINC ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.47 Å
7S1K Cfr-modified Escherichia coli stalled ribosome with antibiotic radezolid Deposited 2021-09-02 Assembly 1 Protein–RNA Heteromer；Protein × 50 PDB declaration: 55-meric（55） Consistent with all polymers
Chain 1 1–92（92 aa）
Not recorded MG MAGNESIUM ION × 207 RD8 Radezolid × 1 ZN ZINC ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.42 Å
7TOS E. coli 70S ribosomes bound with the ALS/FTD-associated dipeptide repeat protein PR20 Deposited 2022-01-24 Assembly 1 Protein–RNA Heteromer；Protein × 53 PDB declaration: 56-meric（56） Consistent with all polymers
Chain S19 3–81（79 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.90 Å
7UG7 70S ribosome complex in an intermediate state of translocation bound to EF-G(GDP) stalled by Argyrin B Deposited 2022-03-24 Assembly 1 Protein–RNA Heteromer；Protein × 54 PDB declaration: 60-meric（60） Consistent with all polymers
Chain SS 1–92（92 aa）
Not recorded PUT 1,4-DIAMINOBUTANE × 11 MG MAGNESIUM ION × 404 SPD SPERMIDINE × 2 ZN ZINC ION × 2 GDP GUANOSINE-5'-DIPHOSPHATE × 1 FME N-FORMYLMETHIONINE × 1 PHE PHENYLALANINE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.58 Å
8EIU E. coli 70S ribosome with A-loop mutations U2554C and U2555C Deposited 2022-09-15 Assembly 1 Protein–RNA Heteromer；Protein × 49 PDB declaration: 55-meric（55） Consistent with all polymers
Chain S 1–92（92 aa）
Not recorded ZN ZINC ION × 2 PAR PAROMOMYCIN × 1 MG MAGNESIUM ION × 268 SPD SPERMIDINE × 16 8AN 3'-amino-3'-deoxyadenosine 5'-(dihydrogen phosphate) × 2 SPM SPERMINE × 1 MET METHIONINE × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.24 Å
8EKC Escherichia coli 70S ribosome bound to thermorubin, deacylated P-site tRNAfMet and aminoacylated A-site Phe-tRNA Deposited 2022-09-20 Assembly 1 Protein–RNA Heteromer；Protein × 49 PDB declaration: 55-meric（55） Consistent with all polymers
Chain s 1–92（92 aa）
Not recorded MG MAGNESIUM ION × 714 T8B Thermorubin × 1 PHE PHENYLALANINE × 1 ZN ZINC ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.70 Å
8EMM Composite 70S ribosome structure for "Atomistic simulations of the E. coli ribosome provide selection criteria for translationally active substrates Deposited 2022-09-28 Assembly 1 Protein–RNA Heteromer；Protein × 49 PDB declaration: 55-meric（55） Consistent with all polymers
Chain S 1–92（92 aa）
Not recorded MG MAGNESIUM ION × 321 SPD SPERMIDINE × 17 SPM SPERMINE × 1 K POTASSIUM ION × 10 ZN ZINC ION × 2 MET METHIONINE × 2 PAR PAROMOMYCIN × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.10 Å
8EYQ 30S_delta_ksgA_h44_inactive_conformation Deposited 2022-10-28 Assembly 1 Protein–RNA Heteromer；Protein × 17 PDB declaration: octadecameric（18） Consistent with all polymers
Chain S 1–92（92 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 Å
8EYT 30S_delta_ksgA+KsgA complex Deposited 2022-10-28 Assembly 1 Protein–RNA Heteromer；Protein × 20 PDB declaration: 21-meric（21） Consistent with all polymers
Chain S 1–92（92 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.80 Å
8FIZ Cryo-EM structure of E. coli 70S Ribosome containing mRNA and tRNA (in the transcription-translation complex) Deposited 2022-12-18 Assembly 1 Protein–RNA Heteromer；Protein × 51 PDB declaration: 56-meric（56） Consistent with all polymers
Chain AD 1–92（92 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.80 Å
8FTO E. coli 70S ribosome with an improved MS2 tag inserted in H98 Deposited 2023-01-12 Assembly 1 Protein–RNA Heteromer；Protein × 49 PDB declaration: 54-meric（54） Consistent with all polymers
Chain S 1–92（92 aa）
Not recorded MG MAGNESIUM ION × 284 FME N-FORMYLMETHIONINE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 1.85 Å
8FZD Cryo-EM structure of an E. coli non-rotated ribosome termination complex bound with apoRF3, RF1, P- and E-site tRNAPhe (Composite state I-B) Deposited 2023-01-28 Assembly 1 Protein–RNA Heteromer；Protein × 53 PDB declaration: 59-meric（59） Consistent with all polymers
Chain s 1–92（92 aa）
Not recorded MG MAGNESIUM ION × 581 ZN ZINC ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4；5 mM Tris-HCl, 60 mM NH4Cl, 10 mM MgCl2, 6 mM B-mercaptoethanol
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
8FZE Cryo-EM structure of an E. coli non-rotated ribosome termination complex bound with RF1, P- and E-site tRNAPhe (State I-A) Deposited 2023-01-28 Assembly 1 Protein–RNA Heteromer；Protein × 52 PDB declaration: 58-meric（58） Consistent with all polymers
Chain s 1–92（92 aa）
Not recorded MG MAGNESIUM ION × 570 ZN ZINC ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4；5 mM Tris-HCl, 60 mM NH4Cl, 10 mM MgCl2, 6 mM B-mercaptoethanol
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 Å
8FZF Cryo-EM structure of an E. coli rotated ribosome complex bound with RF3-ppGpp and p/E-tRNAPhe (Composite state I-C) Deposited 2023-01-28 Assembly 1 Protein–RNA Heteromer；Protein × 51 PDB declaration: 56-meric（56） Consistent with all polymers
Chain s 1–92（92 aa）
Not recorded MG MAGNESIUM ION × 384 G4P GUANOSINE-5',3'-TETRAPHOSPHATE × 1 ZN ZINC ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4；5 mM Tris-HCl, 60 mM NH4Cl, 10 mM MgCl2, 6 mM B-mercaptoethanol
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.20 Å
8FZG Cryo-EM structure of an E. coli non-rotated ribosome termination complex bound with RF3-GDPCP, RF1, P- and E-site tRNAPhe (Composite state II-A) Deposited 2023-01-28 Assembly 1 Protein–RNA Heteromer；Protein × 53 PDB declaration: 59-meric（59） Consistent with all polymers
Chain s 1–92（92 aa）
Not recorded MG MAGNESIUM ION × 428 GCP PHOSPHOMETHYLPHOSPHONIC ACID GUANYLATE ESTER × 1 ZN ZINC ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4；5 mM Tris-HCl, 60 mM NH4Cl, 10 mM MgCl2, 6 mM B-mercaptoethanol
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
8FZH Cryo-EM structure of an E. coli non-rotated ribosome termination complex bound with RF1, P- and E-site tRNAPhe (State II-D) Deposited 2023-01-28 Assembly 1 Protein–RNA Heteromer；Protein × 52 PDB declaration: 58-meric（58） Consistent with all polymers
Chain s 1–92（92 aa）
Not recorded MG MAGNESIUM ION × 595 ZN ZINC ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4；5 mM Tris-HCl, 60 mM NH4Cl, 10 mM MgCl2, 6 mM B-mercaptoethanol
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.90 Å
8FZI Cryo-EM structure of an E. coli rotated ribosome bound with RF3-GDPCP and p/E-tRNAPhe (Composite state II-B) Deposited 2023-01-28 Assembly 1 Protein–RNA Heteromer；Protein × 51 PDB declaration: 56-meric（56） Consistent with all polymers
Chain s 1–92（92 aa）
Not recorded MG MAGNESIUM ION × 737 GCP PHOSPHOMETHYLPHOSPHONIC ACID GUANYLATE ESTER × 1 ZN ZINC ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4；5 mM Tris-HCl, 60 mM NH4Cl, 10 mM MgCl2, 6 mM B-mercaptoethanol
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
8FZJ Cryo-EM structure of an E. coli rotated ribosome bound with RF3-GDPCP and p/E-tRNAPhe (Composite state II-C) Deposited 2023-01-28 Assembly 1 Protein–RNA Heteromer；Protein × 51 PDB declaration: 56-meric（56） Consistent with all polymers
Chain s 1–92（92 aa）
Not recorded MG MAGNESIUM ION × 757 GCP PHOSPHOMETHYLPHOSPHONIC ACID GUANYLATE ESTER × 1 ZN ZINC ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4；5 mM Tris-HCl, 60 mM NH4Cl, 10 mM MgCl2, 6 mM B-mercaptoethanol
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 Å
8G6W Structure of WT E.coli 70S ribosome complexed with mRNA, P-site fMet-NH-tRNAfMet and A-site ortho-aminobenzoic acid charged NH-tRNAPhe Deposited 2023-02-16 Assembly 1 Protein–RNA Heteromer；Protein × 49 PDB declaration: 55-meric（55） Consistent with all polymers
Chain S 1–92（92 aa）
Not recorded ZN ZINC ION × 2 PAR PAROMOMYCIN × 1 MG MAGNESIUM ION × 320 2AE 2-AMINO-BENZAMIDE × 1 8AN 3'-amino-3'-deoxyadenosine 5'-(dihydrogen phosphate) × 1 FME N-FORMYLMETHIONINE × 1 K POTASSIUM ION × 14 SPD SPERMIDINE × 8 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.02 Å
8G7P Structure of the Escherichia coli 70S ribosome in complex with EF-Tu and Ile-tRNAIle(LAU) bound to the cognate AUA codon (Structure I) Deposited 2023-02-16 Assembly 1 Protein–RNA Heteromer；Protein × 51 PDB declaration: 58-meric（58） Consistent with all polymers
Chain s 1–92（92 aa）
Not recorded MG MAGNESIUM ION × 876 K POTASSIUM ION × 2 ILE ISOLEUCINE × 2 GCP PHOSPHOMETHYLPHOSPHONIC ACID GUANYLATE ESTER × 1 ZN ZINC ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.90 Å
8G7Q Structure of the Escherichia coli 70S ribosome in complex with EF-Tu and Ile-tRNAIle(LAU) bound to the near-cognate AUG codon (Structure II) Deposited 2023-02-16 Assembly 1 Protein–RNA Heteromer；Protein × 51 PDB declaration: 58-meric（58） Consistent with all polymers
Chain s 1–92（92 aa）
Not recorded PAR PAROMOMYCIN × 1 MG MAGNESIUM ION × 950 ILE ISOLEUCINE × 2 GCP PHOSPHOMETHYLPHOSPHONIC ACID GUANYLATE ESTER × 1 ZN ZINC ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
8G7R Structure of the Escherichia coli 70S ribosome in complex with A-site tRNAIle(LAU) bound to the cognate AUA codon (Structure III) Deposited 2023-02-16 Assembly 1 Protein–RNA Heteromer；Protein × 49 PDB declaration: 56-meric（56） Consistent with all polymers
Chain s 1–92（92 aa）
Not recorded PAR PAROMOMYCIN × 1 MG MAGNESIUM ION × 734 K POTASSIUM ION × 2 ILE ISOLEUCINE × 1 ZN ZINC ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.80 Å
8G7S Structure of the Escherichia coli 70S ribosome in complex with P-site tRNAIle(LAU) bound to the cognate AUA codon (Structure IV) Deposited 2023-02-16 Assembly 1 Protein–RNA Heteromer；Protein × 49 PDB declaration: 55-meric（55） Consistent with all polymers
Chain s 1–92（92 aa）
Not recorded MG MAGNESIUM ION × 564 ILE ISOLEUCINE × 1 ZN ZINC ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
8SYL Cryo-EM structure of the Escherichia coli 70S ribosome in complex with amikacin, mRNA, and A-, P-, and E-site tRNAs Deposited 2023-05-25 Assembly 1 Protein–RNA Heteromer；Protein × 49 PDB declaration: 56-meric（56） Consistent with all polymers
Chain s 1–92（92 aa）
Not recorded MG MAGNESIUM ION × 474 AKN (2S)-N-[(1R,2S,3S,4R,5S)-4-[(2R,3R,4S,5S,6R)-6-(aminomethyl)-3,4,5-tris(oxidanyl)oxan-2-yl]oxy-5-azanyl-2-[(2S,3R,4S,5S ,6R)-4-azanyl-6-(hydroxymethyl)-3,5-bis(oxidanyl)oxan-2-yl]oxy-3-oxidanyl-cyclohexyl]-4-azanyl-2-oxidanyl-butanamide × 2 PHE PHENYLALANINE × 1 ZN ZINC ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.90 Å
8UPO Escherichia coli transcription-translation coupled complex class A (TTC-A) containing RfaH bound to ops signal, mRNA with a 21 nt long spacer, and fMet-tRNAs in E-site and P-site of the ribosome Deposited 2023-10-23 Assembly 1 Other combination Heteromer；Protein × 58 PDB declaration: 66-meric（66） Consistent with all polymers
Chain W 1–92（92 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 5.50 Å
8UPR Escherichia coli transcription-translation coupled complex class A (TTC-A) containing RfaH bound to ops signal, mRNA with a 21 nt long spacer, and fMet-tRNAs in E-site and P-site of the ribosome Deposited 2023-10-23 Assembly 1 Other combination Heteromer；Protein × 59 PDB declaration: 67-meric（67） Consistent with all polymers
Chain W 1–92（92 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 5.30 Å
8UQL Escherichia coli transcription-translation coupled complex class B (TTC-B) containing RfaH in loaded state, mRNA with a 24 nt long spacer, and fMet-tRNAs in E-site and P-site of the ribosome Deposited 2023-10-24 Assembly 1 Other combination Heteromer；Protein × 59 PDB declaration: 67-meric（67） Consistent with all polymers
Chain W 1–92（92 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 3.20 Å
8UQM Escherichia coli transcription-translation coupled complex class B (TTC-B) containing RfaH in loaded state, NusA, mRNA with a 24 nt long spacer, and fMet-tRNAs in E-site and P-site of the ribosome Deposited 2023-10-24 Assembly 1 Other combination Heteromer；Protein × 60 PDB declaration: 68-meric（68） Consistent with all polymers
Chain W 1–92（92 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 5.30 Å
8UQP Escherichia coli transcription-translation coupled complex class B (TTC-B) containing RfaH bound to ops signal, mRNA with a 24 nt long spacer, and fMet-tRNAs in E-site and P-site of the ribosome Deposited 2023-10-24 Assembly 1 Other combination Heteromer；Protein × 59 PDB declaration: 67-meric（67） Consistent with all polymers
Chain W 1–92（92 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 3.80 Å
8UR0 Escherichia coli transcription-translation coupled complex class B (TTC-B) containing RfaH bound to ops signal, NusA, mRNA with a 24 nt long spacer, and fMet-tRNAs in E-site and P-site of the ribosome Deposited 2023-10-25 Assembly 1 Other combination Heteromer；Protein × 60 PDB declaration: 68-meric（68） Consistent with all polymers
Chain W 1–92（92 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 3.40 Å
8URH Escherichia coli transcription-translation coupled complex class B (TTC-B) containing RfaH bound to ops signal, mRNA with a 27 nt long spacer, and fMet-tRNAs in E-site and P-site of the ribosome Deposited 2023-10-26 Assembly 1 Other combination Heteromer；Protein × 59 PDB declaration: 67-meric（67） Consistent with all polymers
Chain W 1–92（92 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 5.70 Å
8URI Escherichia coli transcription-translation coupled complex class B (TTC-B) containing RfaH bound to ops signal, NusA, mRNA with a 27 nt long spacer, and fMet-tRNAs in E-site and P-site of the ribosome Deposited 2023-10-26 Assembly 1 Other combination Heteromer；Protein × 60 PDB declaration: 68-meric（68） Consistent with all polymers
Chain W 1–92（92 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 5.30 Å
8URX Escherichia coli transcription-translation coupled complex class B (TTC-B) containing RfaH bound to ops signal, mRNA with a 30 nt long spacer, and fMet-tRNAs in E-site and P-site of the ribosome Deposited 2023-10-27 Assembly 1 Other combination Heteromer；Protein × 59 PDB declaration: 67-meric（67） Consistent with all polymers
Chain W 1–92（92 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 6.60 Å
8UXB E. coli 70S ribosome with unmodified P/E-tRNAPro(GGG) bound to slippery P-site CCC-C codon Deposited 2023-11-09 Assembly 1 Protein–RNA Heteromer；Protein × 48 PDB declaration: 53-meric（53） Consistent with all polymers
Chain x 1–92（92 aa）
Not recorded MG MAGNESIUM ION × 287 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.90 Å
8UZ3 E. coli 70S ribosome with unmodified e*/E-tRNAPro(GGG) bound to slippery P-site CCC-C codon Deposited 2023-11-14 Assembly 1 Protein–RNA Heteromer；Protein × 48 PDB declaration: 53-meric（53） Consistent with all polymers
Chain x 1–92（92 aa）
Not recorded MG MAGNESIUM ION × 415 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.20 Å
8UZG E. coli 70S ribosome with unmodified e*/E-tRNAPro(GGG) bound to slippery P-site CCC-C codon Deposited 2023-11-15 Assembly 1 Protein–RNA Heteromer；Protein × 48 PDB declaration: 53-meric（53） Consistent with all polymers
Chain x 1–92（92 aa）
Not recorded MG MAGNESIUM ION × 398 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.70 Å
8VKV Escherichia coli transcription-translation coupled complex (TTC-B) containing mRNA with a 33 nt long spacer, ops signal, RfaH, NusA, and fMet-tRNAs in E-site and P-site Deposited 2024-01-10 Assembly 1 Other combination Heteromer；Protein × 60 PDB declaration: 68-meric（68） Consistent with all polymers
Chain W 1–92（92 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 3.60 Å
8VL1 Escherichia coli transcription-translation loosely coupled complex (TTC-LC) containing mRNA with a 36 nt long spacer, ops signal, RfaH, NusA, and fMet-tRNAs in E-site and P-site Deposited 2024-01-11 Assembly 1 Other combination Heteromer；Protein × 60 PDB declaration: 68-meric（68） Consistent with all polymers
Chain W 1–92（92 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 5.30 Å
8VOO Escherichia coli transcription-translation loosely coupled complex (TTC-LC) containing mRNA with a 39 nt long spacer, ops signal, RfaH, 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 W 1–92（92 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 3.40 Å
8VOP Escherichia coli transcription-translation coupled complex (TTC-B) containing mRNA with a 36 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 W 1–92（92 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 6.00 Å
8VOQ Escherichia coli transcription-translation loosely coupled complex (TTC-LC) containing mRNA with a 39 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 W 1–92（92 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 9.30 Å
8VOR Escherichia coli transcription-translation loosely coupled complex (TTC-LC) containing mRNA with a 51 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 W 1–92（92 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 3.60 Å
8VS9 Endogenous trans-translation complex with tmRNA*SmpB in the P site and alanyl-tRNA in the A site and deacyl-tRNA in the E site of E. coli 70S ribosome Deposited 2024-01-23 Assembly 1 Protein–RNA Heteromer；Protein × 53 PDB declaration: 59-meric（59） Consistent with all polymers
Chain S19 1–92（92 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.90 Å
8VSA Endogenous trans-translation complex with tmRNA*SmpB in the P site and alanyl-tRNA in the A site of E. coli 70S ribosome Deposited 2024-01-23 Assembly 1 Protein–RNA Heteromer；Protein × 53 PDB declaration: 58-meric（58） Consistent with all polymers
Chain S19 1–92（92 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.70 Å
8VV4 E. coli 70S ribosome with unmodified Lys-tRNAPro(GGG) in the P/P conformation on a slippery CCC-C codon Deposited 2024-01-30 Assembly 1 Protein–RNA Heteromer；Protein × 49 PDB declaration: 54-meric（54） Consistent with all polymers
Chain x 1–92（92 aa）
Not recorded MG MAGNESIUM ION × 424 LYS LYSINE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
8VWQ E. coli 70S ribosome with unmodified Lys-tRNAPro(GGG) in the P/P conformation on a slippery CCC-C codon and Elongation Factor P bound (uL1 in the closed conformation) Deposited 2024-02-02 Assembly 1 Protein–RNA Heteromer；Protein × 51 PDB declaration: 56-meric（56） Consistent with all polymers
Chain x 1–92（92 aa）
Not recorded MG MAGNESIUM ION × 586 LYS LYSINE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
8W2N E. coli 70S ribosome with unmodified Lys-tRNAPro(GGG) in the P/P conformation on a slippery CCC-C codon and Elongation Factor P bound (uL1 in the open conformation) Deposited 2024-02-20 Assembly 1 Protein–RNA Heteromer；Protein × 50 PDB declaration: 55-meric（55） Consistent with all polymers
Chain x 1–92（92 aa）
Not recorded MG MAGNESIUM ION × 481 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.20 Å
9B4Z E. coli 70S ribosome complex (N1-methylated 16S A1408 + arbekacin) Deposited 2024-03-21 Assembly 1 Protein–RNA Heteromer；Protein × 49 PDB declaration: 56-meric（56） Consistent with all polymers
Chain AS 1–92（92 aa）
Not recorded MG MAGNESIUM ION × 309 84G Arbekacin × 2 ZN ZINC ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.20 Å
9B50 E. coli 70S ribosome complex (unmethylated 16S A1408 + arbekacin) Deposited 2024-03-21 Assembly 1 Protein–RNA Heteromer；Protein × 49 PDB declaration: 52-meric（52） Consistent with all polymers
Chain AS 1–92（92 aa）
Not recorded MG MAGNESIUM ION × 309 84G Arbekacin × 2 ZN ZINC ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.70 Å
9B51 E. coli 70S ribosome complex (N1-methylated 16S A1408 + G418) Deposited 2024-03-21 Assembly 1 Protein–RNA Heteromer；Protein × 49 PDB declaration: 56-meric（56） Consistent with all polymers
Chain AS 1–92（92 aa）
Not recorded MG MAGNESIUM ION × 309 GET GENETICIN × 2 ZN ZINC ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.40 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.