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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：L3CCT0 New Search
21PDB entries
21Biological assembly
21chain/assembly records
Main Difference Dimensions in This Set
Different construct 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
6VYQ Escherichia coli transcription-translation complex A1 (TTC-A1) containing an 15 nt long mRNA spacer, NusG, and fMet-tRNAs at E-site and P-site Deposited 2020-02-27 Assembly 1 Other combination Heteromer；Protein × 58 PDB declaration: 66-meric（66） Consistent with all polymers
Chain z 1–118（118 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 3.70 Å
6VYR Escherichia coli transcription-translation complex A1 (TTC-A1) containing an 18 nt long mRNA spacer, NusG, and fMet-tRNAs at E-site and P-site Deposited 2020-02-27 Assembly 1 Other combination Heteromer；Protein × 58 PDB declaration: 66-meric（66） Consistent with all polymers
Chain z 1–118（118 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 3.80 Å
6VYS Escherichia coli transcription-translation complex A1 (TTC-A1) containing a 21 nt long mRNA spacer, NusG, and fMet-tRNAs at E-site and P-site Deposited 2020-02-27 Assembly 1 Other combination Heteromer；Protein × 58 PDB declaration: 66-meric（66） Consistent with all polymers
Chain z 1–118（118 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 3.70 Å
6VYT Escherichia coli transcription-translation complex A2 (TTC-A2) containing a 15 nt long mRNA spacer, NusG, and fMet-tRNAs at P-site and E-site Deposited 2020-02-27 Assembly 1 Other combination Heteromer；Protein × 55 PDB declaration: 64-meric（64） Consistent with all polymers
Chain z 1–118（118 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 14.00 Å
6VYX Escherichia coli transcription-translation complex C4 (TTC-C4) containing mRNA with a 21 nt long spacer, transcription factor 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 z 1–118（118 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 9.90 Å
6VYY Escherichia coli transcription-translation complex C5 (TTC-C5) containing mRNA with a 21 nt long spacer, NusG, and fMet-tRNAs at E-site and P-site Deposited 2020-02-27 Assembly 1 Other combination Heteromer；Protein × 56 PDB declaration: 65-meric（65） Consistent with all polymers
Chain z 1–118（118 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 9.90 Å
6VYZ Escherichia coli transcription-translation complex C6 (TTC-C6) containing mRNA with a 21 nt long spacer, NusA, and fMet-tRNAs at E-site and P-site Deposited 2020-02-27 Assembly 1 Other combination Heteromer；Protein × 56 PDB declaration: 65-meric（65） Consistent with all polymers
Chain z 1–118（118 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 9.90 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 z 2–118（117 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
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 2–118（117 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
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 2–118（117 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 2–118（117 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 2–118（117 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 2–118（117 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 2–118（117 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
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 2–118（117 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 2–118（117 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
6XDQ Cryo-EM structure of an Escherichia coli coupled transcription-translation complex B3 (TTC-B3) containing an mRNA with a 30 nt long spacer, transcription factors NusA and NusG, and fMet-tRNAs at P-site and E-site Deposited 2020-06-11 Assembly 1 Other combination Heteromer；Protein × 60 PDB declaration: 68-meric（68） Consistent with all polymers
Chain z 1–118（118 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 3.70 Å
6XGF Escherichia coli transcription-translation complex B (TTC-B) containing an 30 nt long mRNA spacer, NusG, and fMet-tRNAs at E-site and P-site Deposited 2020-06-17 Assembly 1 Other combination Heteromer；Protein × 59 PDB declaration: 67-meric（67） Consistent with all polymers
Chain z 1–118（118 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 5.00 Å
6XII Escherichia coli transcription-translation complex B (TTC-B) containing an 24 nt long mRNA spacer, NusG, and fMet-tRNAs at E-site and P-site Deposited 2020-06-20 Assembly 1 Other combination Heteromer；Protein × 59 PDB declaration: 67-meric（67） Consistent with all polymers
Chain z 1–118（118 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
6XIJ Escherichia coli transcription-translation complex A (TTC-A) containing an 24 nt long mRNA spacer, NusG, and fMet-tRNAs at E-site and P-site Deposited 2020-06-20 Assembly 1 Other combination Heteromer；Protein × 58 PDB declaration: 66-meric（66） Consistent with all polymers
Chain z 1–118（118 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 8.00 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 L20 2–118（117 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

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.