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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：Q9BZS1 New Search
2PDB entries
3Biological assembly
6chain/assembly records
Main Difference Dimensions in This Set
Different mutation/modification 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
3QRF Structure of a domain-swapped FOXP3 dimer Deposited 2011-02-17 Assembly 1 Protein–DNA Heteromer；Protein × 3 PDB declaration: pentameric（5） Consistent with all polymers
Chain F 336–417（82 aa） Fragment：human FOXP3 DNA Binding Domain
Chain G 336–417（82 aa） Fragment：human FOXP3 DNA Binding Domain
Not recorded MG MAGNESIUM ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.63；291 K；5 mM HEPES, pH 7.63, 2 mM dithiothreitol (DTT), 0.5 mM EDTA, and 150 mM NaCl, VAPOR DIFFUSION, HANGING DROP, temperature 291K
Resolution 2.80 Å R-free 0.283
3QRF Structure of a domain-swapped FOXP3 dimer Deposited 2011-02-17 Assembly 2 Protein–DNA Heteromer；Protein × 3 PDB declaration: pentameric（5） Consistent with all polymers
Chain H 336–417（82 aa） Fragment：human FOXP3 DNA Binding Domain
Chain I 336–417（82 aa） Fragment：human FOXP3 DNA Binding Domain
Not recorded MG MAGNESIUM ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.63；291 K；5 mM HEPES, pH 7.63, 2 mM dithiothreitol (DTT), 0.5 mM EDTA, and 150 mM NaCl, VAPOR DIFFUSION, HANGING DROP, temperature 291K
Resolution 2.80 Å R-free 0.283
4WK8 FOXP3 forms a domain-swapped dimer to bridge DNA Deposited 2014-10-01 Assembly 1 Protein–DNA Homooligomer；Protein × 2 PDB declaration: tetrameric（4） Consistent with all polymers
Chain F 336–417（82 aa） Fragment：UNP residues 336-417
Chain G 336–417（82 aa） Fragment：UNP residues 336-417
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；291 K；PEG 8000
Resolution 3.40 Å R-free 0.253

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.