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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：F6YRW4 New Search
6PDB entries
12Biological assembly
24chain/assembly records
Main Difference Dimensions in This Set
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
4QWN Histone demethylase KDM2A-H3K36ME1-alpha-KG complex structure Deposited 2014-07-16 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 36–364（329 aa） Fragment：UNP residues 36-364
Chain B 450–517（68 aa） Fragment：UNP residues 450-517
Not recorded AKG 2-OXOGLUTARIC ACID × 1 NI NICKEL (II) ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；20% PEG 3350, 0.2 M Sodium citrate, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 2.10 Å R-free 0.264
4QWN Histone demethylase KDM2A-H3K36ME1-alpha-KG complex structure Deposited 2014-07-16 Assembly 2 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain C 36–364（329 aa） Fragment：UNP residues 36-364
Chain D 450–517（68 aa） Fragment：UNP residues 450-517
Not recorded AKG 2-OXOGLUTARIC ACID × 1 NI NICKEL (II) ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；20% PEG 3350, 0.2 M Sodium citrate, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 2.10 Å R-free 0.264
4QX7 Crystal structure of histone demethylase kdm2a-h3k36me2 with alpha-kg Deposited 2014-07-18 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 36–364（329 aa） Fragment：UNP residues 36-364
Chain B 450–517（68 aa） Fragment：UNP residues 450-517
Not recorded AKG 2-OXOGLUTARIC ACID × 1 NI NICKEL (II) ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.5；293 K；0.15 M Na citrate, 18-22% PEG 3350, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 2.34 Å R-free 0.258
4QX7 Crystal structure of histone demethylase kdm2a-h3k36me2 with alpha-kg Deposited 2014-07-18 Assembly 2 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain C 36–364（329 aa） Fragment：UNP residues 36-364
Chain D 450–517（68 aa） Fragment：UNP residues 450-517
Not recorded AKG 2-OXOGLUTARIC ACID × 1 NI NICKEL (II) ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.5；293 K；0.15 M Na citrate, 18-22% PEG 3350, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 2.34 Å R-free 0.258
4QX8 Crystal structure of histone demethylase kdm2a-h3k36me3 complex with alpha-kg Deposited 2014-07-19 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 36–364（329 aa） Fragment：UNP residues 36-364
Chain B 450–517（68 aa） Fragment：UNP residues 450-517
Not recorded NI NICKEL (II) ION × 1 AKG 2-OXOGLUTARIC ACID × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.5；293 K；0.1 M Na Citrate, 18-20% PEG 3350, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 1.65 Å R-free 0.227
4QX8 Crystal structure of histone demethylase kdm2a-h3k36me3 complex with alpha-kg Deposited 2014-07-19 Assembly 2 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain C 36–364（329 aa） Fragment：UNP residues 36-364
Chain D 450–517（68 aa） Fragment：UNP residues 450-517
Not recorded NI NICKEL (II) ION × 1 AKG 2-OXOGLUTARIC ACID × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.5；293 K；0.1 M Na Citrate, 18-20% PEG 3350, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 1.65 Å R-free 0.227
4QXB crystal structure of histone demethylase KDM2A-H3K36ME3 with NOG Deposited 2014-07-19 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 36–364（329 aa） Fragment：UNP residues 36-364
Chain B 450–517（68 aa） Fragment：UNP residues 450-517
Not recorded OGA N-OXALYLGLYCINE × 1 NI NICKEL (II) ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.5；293 K；0.15 M CITRATE NA 20% PEG 3350, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 1.60 Å R-free 0.207
4QXB crystal structure of histone demethylase KDM2A-H3K36ME3 with NOG Deposited 2014-07-19 Assembly 2 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain C 36–364（329 aa） Fragment：UNP residues 36-364
Chain D 450–517（68 aa） Fragment：UNP residues 450-517
Not recorded OGA N-OXALYLGLYCINE × 1 NI NICKEL (II) ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.5；293 K；0.15 M CITRATE NA 20% PEG 3350, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 1.60 Å R-free 0.207
4QXC Crystal structure of histone demethylase KDM2A-H3K36ME2 with NOG Deposited 2014-07-19 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 36–364（329 aa） Fragment：UNP residues 36-364
Chain B 450–517（68 aa） Fragment：UNP residues 450-517
Not recorded OGA N-OXALYLGLYCINE × 1 NI NICKEL (II) ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.5；293 K；0.1 M CITRATE NA 18% PEG 3350, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 1.75 Å R-free 0.204
4QXC Crystal structure of histone demethylase KDM2A-H3K36ME2 with NOG Deposited 2014-07-19 Assembly 2 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain C 36–364（329 aa） Fragment：UNP residues 36-364
Chain D 450–517（68 aa） Fragment：UNP residues 450-517
Not recorded OGA N-OXALYLGLYCINE × 1 NI NICKEL (II) ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.5；293 K；0.1 M CITRATE NA 18% PEG 3350, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 1.75 Å R-free 0.204
4QXH Crystal structure of histone demethylase KDM2A-H3K36ME1 with NOG Deposited 2014-07-20 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 36–364（329 aa） Fragment：UNP residues 36-364
Chain B 450–517（68 aa） Fragment：UNP residues 450-517
Not recorded OGA N-OXALYLGLYCINE × 1 NI NICKEL (II) ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.5；293 K；0.15 M CITRATE NA, 20% PEG 3350, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 2.20 Å R-free 0.243
4QXH Crystal structure of histone demethylase KDM2A-H3K36ME1 with NOG Deposited 2014-07-20 Assembly 2 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain C 36–364（329 aa） Fragment：UNP residues 36-364
Chain D 450–517（68 aa） Fragment：UNP residues 450-517
Not recorded OGA N-OXALYLGLYCINE × 1 NI NICKEL (II) ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.5；293 K；0.15 M CITRATE NA, 20% PEG 3350, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 2.20 Å R-free 0.243

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.