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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：P40217 New Search
7PDB entries
8Biological assembly
8chain/assembly records
Main Difference Dimensions in This Set
Different construct 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 q 1–347（347 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
3ZWL Structure of eukaryotic translation initiation factor eIF3i complex with eIF3b C-terminus (655-700) Deposited 2011-08-01 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 1–347（347 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions pH 8.8；0.1 M TRIS PH 8.8, 0.1 M LI2SO4, 30% PEG4000, 8% DIAMINOPENTANE
Resolution 2.20 Å R-free 0.247
3ZWL Structure of eukaryotic translation initiation factor eIF3i complex with eIF3b C-terminus (655-700) Deposited 2011-08-01 Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain D 1–347（347 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions pH 8.8；0.1 M TRIS PH 8.8, 0.1 M LI2SO4, 30% PEG4000, 8% DIAMINOPENTANE
Resolution 2.20 Å R-free 0.247
5A5U Structure of mammalian eIF3 in the context of the 43S preinitiation complex Deposited 2015-06-21 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain I 1–347（347 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM vitrification conditions Cryogen ETHANE；VITRIFICATION 1 -- CRYOGEN- ETHANE, HUMIDITY- 100, TEMPERATURE- 120, INSTRUMENT- FEI VITROBOT MARK IV,
Resolution 9.00 Å
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 s 1–347（347 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
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 s 1–342（342 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
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 l 1–347（347 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 l 1–347（347 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

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.