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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：Q9Z2W8 New Search
4PDB entries
4Biological assembly
14chain/assembly records
Main Difference Dimensions in This Set
Different construct Different assembly state 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
9X57 The LBD-TMD structure of GluA4-1D8 complex Deposited 2025-10-12 Assembly 1 Protein homooligomer Homooligomer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 415–843（429 aa）
Chain B 415–843（429 aa）
Chain C 415–843（429 aa）
Chain D 415–843（429 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.50 Å
9X58 The GluA4-ATD in Complex with the 1D8-Fab Deposited 2025-10-12 Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain A 21–401（381 aa）
Chain B 21–401（381 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.20 Å
9XJL The LBD-TMD structure of homomeric GluA4 AMPA receptor Deposited 2025-11-04 Assembly 1 Protein homooligomer Homooligomer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 415–843（429 aa）
Chain B 415–843（429 aa）
Chain C 415–843（429 aa）
Chain D 415–843（429 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.80 Å
9XJM The ATD structure of homomeric GluA4 AMPA receptor Deposited 2025-11-04 Assembly 1 Protein homooligomer Homooligomer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 21–401（381 aa）
Chain B 21–401（381 aa）
Chain C 21–401（381 aa）
Chain D 21–401（381 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8
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.