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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：G1SG72 New Search
13PDB entries
13Biological assembly
13chain/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
3JAG Structure of a mammalian ribosomal termination complex with ABCE1, eRF1(AAQ), and the UAA stop codon Deposited 2015-06-10 Assembly 1 Protein–RNA Heteromer；Protein × 80 PDB declaration: 87-meric（87） Consistent with all polymers
Chain jj 4–597（594 aa）
Not recorded MG MAGNESIUM ION × 195 ZN ZINC ION × 8 SF4 IRON/SULFUR CLUSTER × 2 ADP ADENOSINE-5'-DIPHOSPHATE × 2 ELECTRON MICROSCOPY
cryo-EM buffer 50 mM HEPES, 100 mM potassium acetate, 5 mM magnesium acetate, 1 mM DTT；pH 7.4；50 mM HEPES, 100 mM potassium acetate, 5 mM magnesium acetate, 1 mM DTT
cryo-EM vitrification conditions After 30 second wait time, blot for 3 seconds before plunging；Cryogen ETHANE；After 30 second wait time, blot for 3 seconds before plunging into liquid ethane (FEI VITROBOT MARK III).
Resolution 3.65 Å
3JAH Structure of a mammalian ribosomal termination complex with ABCE1, eRF1(AAQ), and the UAG stop codon Deposited 2015-06-10 Assembly 1 Protein–RNA Heteromer；Protein × 80 PDB declaration: 87-meric（87） Consistent with all polymers
Chain jj 4–597（594 aa）
Not recorded MG MAGNESIUM ION × 195 ZN ZINC ION × 8 SF4 IRON/SULFUR CLUSTER × 2 ADP ADENOSINE-5'-DIPHOSPHATE × 2 ELECTRON MICROSCOPY
cryo-EM buffer 50 mM HEPES, 100 mM potassium acetate, 5 mM magnesium acetate, 1 mM DTT；pH 7.4；50 mM HEPES, 100 mM potassium acetate, 5 mM magnesium acetate, 1 mM DTT
cryo-EM vitrification conditions After 30 second wait time, blot for 3 seconds before plunging；Cryogen ETHANE；After 30 second wait time, blot for 3 seconds before plunging into liquid ethane (FEI VITROBOT MARK III).
Resolution 3.45 Å
3JAI Structure of a mammalian ribosomal termination complex with ABCE1, eRF1(AAQ), and the UGA stop codon Deposited 2015-06-10 Assembly 1 Protein–RNA Heteromer；Protein × 80 PDB declaration: 87-meric（87） Consistent with all polymers
Chain jj 4–597（594 aa）
Not recorded MG MAGNESIUM ION × 195 ZN ZINC ION × 8 SF4 IRON/SULFUR CLUSTER × 2 ADP ADENOSINE-5'-DIPHOSPHATE × 2 ELECTRON MICROSCOPY
cryo-EM buffer 50 mM HEPES, 100 mM potassium acetate, 5 mM magnesium acetate, 1 mM DTT；pH 7.4；50 mM HEPES, 100 mM potassium acetate, 5 mM magnesium acetate, 1 mM DTT
cryo-EM vitrification conditions After 30 second wait time, blot for 3 seconds before plunging；Cryogen ETHANE；After 30 second wait time, blot for 3 seconds before plunging into liquid ethane (FEI VITROBOT MARK III).
Resolution 3.65 Å
5LZV Structure of the mammalian ribosomal termination complex with accommodated eRF1(AAQ) and ABCE1. Deposited 2016-10-02 Assembly 1 Protein–RNA Heteromer；Protein × 80 PDB declaration: 87-meric（87） Consistent with all polymers
Chain jj 1–599（599 aa）
Not recorded MG MAGNESIUM ION × 300 ZN ZINC ION × 8 SF4 IRON/SULFUR CLUSTER × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE；3 ul aliquots were applied to the grid and incubated for 30 s, before blotting for 3s to remove excess solution.
Resolution 3.35 Å
6HCF Structure of the rabbit 80S ribosome stalled on globin mRNA at the stop codon Deposited 2018-08-14 Assembly 1 Protein–RNA Heteromer；Protein × 81 PDB declaration: 87-meric（87） Consistent with all polymers
Chain k1 1–599（599 aa）
Not recorded MG MAGNESIUM ION × 300 ZN ZINC ION × 8 SF4 IRON/SULFUR CLUSTER × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.90 Å
6HCM Structure of the rabbit collided di-ribosome (stalled monosome) Deposited 2018-08-15 Assembly 1 Protein–RNA Heteromer；Protein × 81 PDB declaration: 87-meric（87） Consistent with all polymers
Chain k1 1–599（599 aa）
Not recorded MG MAGNESIUM ION × 300 ZN ZINC ION × 8 SF4 IRON/SULFUR CLUSTER × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.80 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 Bz 1–599（599 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
8P03 48S late-stage initiation complex with m6A mRNA Deposited 2023-05-09 Assembly 1 Protein–RNA Heteromer；Protein × 37 PDB declaration: 40-meric（40） Consistent with all polymers
Chain k 4–598（595 aa）
Not recorded MG MAGNESIUM ION × 178 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.04 Å
8P09 48S late-stage initiation complex with non methylated mRNA Deposited 2023-05-09 Assembly 1 Protein–RNA Heteromer；Protein × 37 PDB declaration: 40-meric（40） Consistent with all polymers
Chain k 4–598（595 aa）
Not recorded MG MAGNESIUM ION × 230 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 Å
8SCB Terminating ribosome with SRI-41315 Deposited 2023-04-05 Assembly 1 Protein–RNA Heteromer；Protein × 80 PDB declaration: 87-meric（87） Consistent with all polymers
Chain jj 1–599（599 aa）
Not recorded MG MAGNESIUM ION × 312 ZN ZINC ION × 8 ZVM (2S,4aS)-2-cyclobutyl-10-methyl-3-phenyl-2,10-dihydropyrimido[4,5-b]quinoline-4,5(3H,4aH)-dione × 1 SF4 IRON/SULFUR CLUSTER × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.50 Å
9H6Y Late-stage 48S Initiation Complex (LS48S IC) guided by the trans-RNA Deposited 2024-10-25 Assembly 1 Protein–RNA Heteromer；Protein × 39 PDB declaration: 42-meric（42） Consistent with all polymers
Chain k 1–599（599 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
9Q7Q ABCE1-eRF1-RNC-AMD1C Deposited 2025-08-25 Assembly 1 Protein–RNA Heteromer；Protein × 80 PDB declaration: 86-meric（86） Consistent with all polymers
Chain AB 1–599（599 aa）
Not recorded MG MAGNESIUM ION × 291 ZN ZINC ION × 6 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.86 Å
9RHU Rabbit 80S ribosome in complex with eRF1-AAQ, stalled at the Stop codon in mutated F2A sequence Deposited 2025-06-10 Assembly 1 Protein–RNA Heteromer；Protein × 81 PDB declaration: 88-meric（88） Consistent with all polymers
Chain q2 1–599（599 aa）
Not recorded MG MAGNESIUM ION × 367 ZN ZINC ION × 8 K POTASSIUM ION × 37 SPD SPERMIDINE × 2 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 SF4 IRON/SULFUR CLUSTER × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.65 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.