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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：P32497 New Search
11PDB entries
11Biological assembly
12chain/assembly records
Main Difference Dimensions in This Set
Different construct Different mutation/modification 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
3JAP Structure of a partial yeast 48S preinitiation complex in closed conformation Deposited 2015-06-18 Assembly 1 Protein–RNA Heteromer；Protein × 44 PDB declaration: 47-meric（47） Consistent with all polymers
Chain p 193–206（14 aa）
Chain p 251–812（562 aa）
Not recorded MG MAGNESIUM ION × 81 ZN ZINC ION × 4 MET METHIONINE × 1 GCP PHOSPHOMETHYLPHOSPHONIC ACID GUANYLATE ESTER × 1 ELECTRON MICROSCOPY
cryo-EM buffer 20 mM MES-KOH, 40 mM potassium acetate, 10 mM ammonium acetate, 8 mM magnesium acetate, 2 mM DTT；pH 6.5；20 mM MES-KOH, 40 mM potassium acetate, 10 mM ammonium acetate, 8 mM magnesium acetate, 2 mM DTT
cryo-EM vitrification conditions Blot for 2.5 to 3 seconds before plunging；120 K；Cryogen ETHANE；Blot for 2.5 to 3 seconds before plunging into liquid ethane (FEI VITROBOT MARK I).
Resolution 4.90 Å
4U1C Crystal structure of the eIF3a/eIF3c PCI-domain heterodimer Deposited 2014-07-15 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: Dimeric（2） Consistent with protein count
Chain C 247–812（566 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；292 K；PEG 6000, KSCN, Bis-Tris-propane
Resolution 3.50 Å R-free 0.293
5H7U NMR structure of eIF3 36-163 Deposited 2016-11-21 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 36–163（128 aa） Fragment：UNP RESIDUES 36-163
Not recorded No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 7；298 K；Ionic strength (raw mmCIF value) 170；Pressure 1
NMR sample composition 0.4 mM [U-100% 13C; U-100% 15N] eIF3c 36-163, 20 mM sodium phosphate, 150 mM sodium chloride, 1 mM DTT, 95% H2O/5% D2O | 95% H2O/5% D2O
Resolution not provided
6FYX Structure of a partial yeast 48S preinitiation complex with eIF5 N-terminal domain (model C1) Deposited 2018-03-12 Assembly 1 Protein–RNA Heteromer；Protein × 44 PDB declaration: 47-meric（47） Consistent with all polymers
Chain q 251–812（562 aa）
Not recorded MG MAGNESIUM ION × 117 ZN ZINC ION × 5 MET METHIONINE × 1 GCP PHOSPHOMETHYLPHOSPHONIC ACID GUANYLATE ESTER × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 6.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.50 Å
6FYY Structure of a partial yeast 48S preinitiation complex with eIF5 N-terminal domain (model C2) Deposited 2018-03-12 Assembly 1 Protein–RNA Heteromer；Protein × 44 PDB declaration: 47-meric（47） Consistent with all polymers
Chain q 251–812（562 aa）
Not recorded MG MAGNESIUM ION × 117 ZN ZINC ION × 5 MET METHIONINE × 1 GCP PHOSPHOMETHYLPHOSPHONIC ACID GUANYLATE ESTER × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 6.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.02 Å
6GSM Structure of a partial yeast 48S preinitiation complex in open conformation. Deposited 2018-06-14 Assembly 1 Protein–RNA Heteromer；Protein × 44 PDB declaration: 47-meric（47） Consistent with all polymers
Chain q 96–794（699 aa）
Not recorded 7NO [(2~{R},3~{S},4~{R},5~{R})-5-(6-aminopurin-9-yl)-4-oxidanyl-2-(phosphonooxymethyl)oxolan-3-yl] (2~{S})-2-azanyl-4-methylsulfanyl-butanoate × 1 MG MAGNESIUM ION × 82 ZN ZINC ION × 4 GCP PHOSPHOMETHYLPHOSPHONIC ACID GUANYLATE ESTER × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 6.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 5.15 Å
6GSN Structure of a partial yeast 48S preinitiation complex in closed conformation Deposited 2018-06-14 Assembly 1 Protein–RNA Heteromer；Protein × 44 PDB declaration: 47-meric（47） Consistent with all polymers
Chain q 96–794（699 aa）
Not recorded MG MAGNESIUM ION × 81 ZN ZINC ION × 4 GCP PHOSPHOMETHYLPHOSPHONIC ACID GUANYLATE ESTER × 1 MET METHIONINE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 6.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 5.75 Å
6ZCE Structure of a yeast ABCE1-bound 43S pre-initiation complex Deposited 2020-06-10 Assembly 1 Protein–RNA Heteromer；Protein × 44 PDB declaration: 45-meric（45） Consistent with all polymers
Chain q 1–812（812 aa）
Not recorded ZN ZINC ION × 4 ADP ADENOSINE-5'-DIPHOSPHATE × 1 MG MAGNESIUM ION × 2 ATP ADENOSINE-5'-TRIPHOSPHATE × 1 SF4 IRON/SULFUR CLUSTER × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 5.30 Å
6ZU9 Structure of a yeast ABCE1-bound 48S initiation complex Deposited 2020-07-22 Assembly 1 Protein–RNA Heteromer；Protein × 41 PDB declaration: 44-meric（44） Consistent with all polymers
Chain q 1–812（812 aa）
Not recorded MG MAGNESIUM ION × 4 ZN ZINC ION × 3 ADP ADENOSINE-5'-DIPHOSPHATE × 1 ATP ADENOSINE-5'-TRIPHOSPHATE × 1 SF4 IRON/SULFUR CLUSTER × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.20 Å
8S8E Structure of a yeast 48S-AUC preinitiation complex in closed conformation (model py48S-AUC-3.1) Deposited 2024-03-06 Assembly 1 Protein–RNA Heteromer；Protein × 40 PDB declaration: 43-meric（43） Consistent with all polymers
Chain p 1–812（812 aa）
Not recorded MG MAGNESIUM ION × 116 ZN ZINC ION × 3 GCP PHOSPHOMETHYLPHOSPHONIC ACID GUANYLATE ESTER × 1 MET METHIONINE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 6.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.85 Å
8S8K Structure of a yeast 48S-AUC preinitiation complex in swivelled conformation (model py48S-AUC-swiv-eIF1) Deposited 2024-03-06 Assembly 1 Protein–RNA Heteromer；Protein × 40 PDB declaration: 43-meric（43） Consistent with all polymers
Chain n 1–812（812 aa）
Not recorded MG MAGNESIUM ION × 96 ZN ZINC ION × 4 GCP PHOSPHOMETHYLPHOSPHONIC ACID GUANYLATE ESTER × 1 MET METHIONINE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 6.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.00 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.