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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：Q3T0W9 New Search
18PDB entries
18Biological assembly
18chain/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
6MTD Rabbit 80S ribosome with eEF2 and SERBP1 (unrotated state with 40S head swivel) Deposited 2018-10-19 Assembly 1 Protein–RNA Heteromer；Protein × 80 PDB declaration: 84-meric（84） Consistent with all polymers
Chain R 2–181（180 aa）
Not recorded MG MAGNESIUM ION × 297 ZN ZINC ION × 8 GDP GUANOSINE-5'-DIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 Å
6MTE Rabbit 80S ribosome with eEF2 and SERBP1 (rotated state) Deposited 2018-10-19 Assembly 1 Protein–RNA Heteromer；Protein × 79 PDB declaration: 83-meric（83） Consistent with all polymers
Chain R 2–181（180 aa）
Not recorded MG MAGNESIUM ION × 298 ZN ZINC ION × 8 GDP GUANOSINE-5'-DIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
6ZVK The Halastavi arva virus (HalV) intergenic region IRES promotes translation by the simplest possible initiation mechanism Deposited 2020-07-24 Assembly 1 Protein–RNA Heteromer；Protein × 80 PDB declaration: 85-meric（85） Consistent with all polymers
Chain 32 2–181（180 aa）
Not recorded ZN ZINC ION × 6 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.49 Å
7A01 The Halastavi arva virus intergenic region IRES promotes translation by the simplest possible initiation mechanism Deposited 2020-08-05 Assembly 1 Protein–RNA Heteromer；Protein × 80 PDB declaration: 85-meric（85） Consistent with all polymers
Chain 32 2–181（180 aa）
Not recorded ZN ZINC ION × 6 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.60 Å
7NFX Mammalian ribosome nascent chain complex with SRP and SRP receptor in early state A Deposited 2021-02-08 Assembly 1 Protein–RNA Heteromer；Protein × 51 PDB declaration: 55-meric（55） Consistent with all polymers
Chain R 2–181（180 aa）
Not recorded ZN ZINC ION × 5 MG MAGNESIUM ION × 2 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 3.20 Å
7NWG Mammalian pre-termination 80S ribosome with Hybrid P/E- and A/P-site tRNA's bound by Blasticidin S. Deposited 2021-03-16 Assembly 1 Protein–RNA Heteromer；Protein × 79 PDB declaration: 86-meric（86） Consistent with all polymers
Chain R3 1–196（196 aa）
Not recorded MG MAGNESIUM ION × 299 BLS BLASTICIDIN S × 1 ZN ZINC ION × 8 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4；50 mM HEPES pH 7.4 100 mM KOAc 5 mM Mg(Oac)2 1mM DTT
cryo-EM vitrification conditions Cryogen ETHANE；30s sample incubation on grid followed by 1.1s blotting time.
Resolution 3.80 Å
7NWH Mammalian pre-termination 80S ribosome with eRF1 and eRF3 bound by Blasticidin S. Deposited 2021-03-16 Assembly 1 Protein–RNA Heteromer；Protein × 79 PDB declaration: 84-meric（84） Consistent with all polymers
Chain R 1–196（196 aa）
Not recorded ZN ZINC ION × 8 MG MAGNESIUM ION × 281 GCP PHOSPHOMETHYLPHOSPHONIC ACID GUANYLATE ESTER × 1 BLS BLASTICIDIN S × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4；50 mM HEPES pH 7.4 100 mM KOAc 5 mM Mg(Oac)2 1mM DTT
cryo-EM vitrification conditions Cryogen ETHANE；30s sample incubation on grid followed by 1.1s blotting time.
Resolution 4.10 Å
7NWI Mammalian pre-termination 80S ribosome with Empty-A site bound by Blasticidin S Deposited 2021-03-16 Assembly 1 Protein–RNA Heteromer；Protein × 78 PDB declaration: 84-meric（84） Consistent with all polymers
Chain R 1–196（196 aa）
Not recorded MG MAGNESIUM ION × 210 ZN ZINC ION × 5 BLS BLASTICIDIN S × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4；50 mM HEPES pH 7.4 100 mM KOAc 5 mM Mg(Oac)2 1mM DTT
cryo-EM vitrification conditions Cryogen ETHANE；30s sample incubation on grid followed by 1.1s blotting time.
Resolution 3.13 Å
7O7Y Rabbit 80S ribosome stalled close to the mutated SARS-CoV-2 slippery site by a pseudoknot (high resolution) Deposited 2021-04-14 Assembly 1 Protein–RNA Heteromer；Protein × 79 PDB declaration: 86-meric（86） Consistent with all polymers
Chain BR 1–196（196 aa）
Not recorded SPD SPERMIDINE × 30 SPM SPERMINE × 3 MG MAGNESIUM ION × 420 UNX UNKNOWN LIGAND × 330 ZN ZINC ION × 8 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 2.20 Å
7O7Z Rabbit 80S ribosome stalled close to the mutated SARS-CoV-2 slippery site by a pseudoknot (classified for pseudoknot) Deposited 2021-04-14 Assembly 1 Protein–RNA Heteromer；Protein × 79 PDB declaration: 86-meric（86） Consistent with all polymers
Chain BR 1–196（196 aa）
Not recorded SPD SPERMIDINE × 30 SPM SPERMINE × 3 MG MAGNESIUM ION × 420 UNX UNKNOWN LIGAND × 329 ZN ZINC ION × 8 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 2.40 Å
7O80 Rabbit 80S ribosome in complex with eRF1 and ABCE1 stalled at the STOP codon in the mutated SARS-CoV-2 slippery site Deposited 2021-04-14 Assembly 1 Protein–RNA Heteromer；Protein × 81 PDB declaration: 88-meric（88） Consistent with all polymers
Chain BR 1–196（196 aa）
Not recorded SPD SPERMIDINE × 1 MG MAGNESIUM ION × 355 UNX UNKNOWN LIGAND × 374 ZN ZINC ION × 8 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 SF4 IRON/SULFUR CLUSTER × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 2.90 Å
7O81 Rabbit 80S ribosome colliding in another ribosome stalled by the SARS-CoV-2 pseudoknot Deposited 2021-04-14 Assembly 1 Protein–RNA Heteromer；Protein × 80 PDB declaration: 87-meric（87） Consistent with all polymers
Chain BR 1–196（196 aa）
Not recorded MG MAGNESIUM ION × 349 UNX UNKNOWN LIGAND × 266 ZN ZINC ION × 8 SPD SPERMIDINE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 3.10 Å
7OBR RNC-SRP early complex Deposited 2021-04-23 Assembly 1 Protein–RNA Heteromer；Protein × 49 PDB declaration: 53-meric（53） Consistent with all polymers
Chain R 2–181（180 aa）
Not recorded MG MAGNESIUM ION × 97 ZN ZINC ION × 5 GDP GUANOSINE-5'-DIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 2.80 Å
7QWQ Ternary complex of ribosome nascent chain with SRP and NAC Deposited 2022-01-25 Assembly 1 Protein–RNA Heteromer；Protein × 48 PDB declaration: 52-meric（52） Consistent with all polymers
Chain R 1–196（196 aa）
Not recorded MG MAGNESIUM ION × 97 ZN ZINC ION × 5 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 2.83 Å
7QWR Structure of the ribosome-nascent chain containing an ER signal sequence in complex with NAC Deposited 2022-01-25 Assembly 1 Protein–RNA Heteromer；Protein × 45 PDB declaration: 48-meric（48） Consistent with all polymers
Chain R 1–196（196 aa）
Not recorded ZN ZINC ION × 5 MG MAGNESIUM ION × 97 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 2.90 Å
7QWS Structure of ribosome translating beta-tubulin in complex with TTC5 and NAC Deposited 2022-01-25 Assembly 1 Protein–RNA Heteromer；Protein × 46 PDB declaration: 49-meric（49） Consistent with all polymers
Chain R 1–196（196 aa）
Not recorded ZN ZINC ION × 5 MG MAGNESIUM ION × 97 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 3.40 Å
8BTK Structure of the TRAP complex with the Sec translocon and a translating ribosome Deposited 2022-11-29 Assembly 1 Insufficient information Heteromer；Protein × 86 PDB declaration: 92-meric（92） Consistent with all polymers
Chain BR 1–196（196 aa）
Not recorded SPD SPERMIDINE × 30 SPM SPERMINE × 3 MG MAGNESIUM ION × 750 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 AAC ACETYLAMINO-ACETIC ACID × 1 ZN ZINC ION × 8 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE；3.5 uL of sample was incubated on the grid for 60 seconds at 4*C and 100% humidity before being blotted and plunged into liquid ethane/propane mix cooled to liquid nitrogen temperature
Resolution 3.50 Å
9Y49 Structure of tuco-tuco ribosome with P/E tRNA and eEF2 (rotated) Deposited 2025-09-02 Assembly 1 Protein–RNA Heteromer；Protein × 77 PDB declaration: 83-meric（83） Consistent with all polymers
Chain CR 1–189（189 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 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.