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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：G1U0Y5 New Search
5PDB entries
5Biological assembly
5chain/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
6D90 Mammalian 80S ribosome with a double translocated CrPV-IRES, P-site tRNA and eRF1. Deposited 2018-04-27 Assembly 1 Protein–RNA Heteromer；Protein × 79 PDB declaration: 85-meric（85） Consistent with all polymers
Chain LL 1–149（149 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.20 Å
6D9J Mammalian 80S ribosome with a double translocated CrPV-IRES, P-sitetRNA and eRF1. Deposited 2018-04-30 Assembly 1 Protein–RNA Heteromer；Protein × 79 PDB declaration: 85-meric（85） Consistent with all polymers
Chain LL 1–149（149 aa）
Not recorded ZN ZINC ION × 4 MG MAGNESIUM ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.20 Å
7SYT Structure of the wt IRES w/o eIF2 48S initiation complex, closed conformation. Structure 13(wt) Deposited 2021-11-25 Assembly 1 Protein–RNA Heteromer；Protein × 34 PDB declaration: 37-meric（37） Consistent with all polymers
Chain L 1–149（149 aa）
Not recorded ZN ZINC ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE；4 second blot time, force 3
Resolution 4.40 Å
9H74 Late-stage 48S Initiation Complex with eIF3 (LS48S-eIF3 IC) guided by the trans-RNA Deposited 2024-10-25 Assembly 1 Protein–RNA Heteromer；Protein × 48 PDB declaration: 51-meric（51） Consistent with all polymers
Chain M 1–149（149 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4；10 mM HEPES-KOH pH 7.4, 5 mM Mg(OAc)2, 50 mM KOAc, 10 mM NH4Cl, 2 mM DTT and Roche cOmplete protease inhibitor cocktail
cryo-EM vitrification conditions Cryogen ETHANE；The sample was incubated on the grid for 30 s and then blotted with filter paper from both sides for 1.5 s with the blot force 5
Resolution 2.90 Å
9OGY Megrivirus E 3' internal ribosome entry site (IRES) RNA core region bound to rabbit ribosome Deposited 2025-05-02 Assembly 1 Protein–RNA Heteromer；Protein × 34 PDB declaration: 36-meric（36） Consistent with all polymers
Chain L 1–149（149 aa）
Not recorded ZN ZINC ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；20 mM Tris-HCl pH 7.5, 2 mM MgOAc2, 150 mM KCl
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.28 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.