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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：A6ZMK5 New Search
3PDB entries
3Biological assembly
3chain/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
4U1E Crystal structure of the eIF3b-CTD/eIF3i/eIF3g-NTD translation initiation complex Deposited 2014-07-15 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 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；292 K；PEG 20000, PEG MME 550, imidazole, MES
Resolution 2.00 Å R-free 0.216
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 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 3.02 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 s 1–342（342 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

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.