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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：Q13547 New Search
12PDB entries
12Biological assembly
20chain/assembly records
Main Difference Dimensions in This Set
Different construct Different mutation/modification 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
4BKX The structure of HDAC1 in complex with the dimeric ELM2-SANT domain of MTA1 from the NuRD complex Deposited 2013-04-30 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain B 1–482（482 aa）
Not recorded ZN ZINC ION × 2 ACT ACETATE ION × 2 K POTASSIUM ION × 4 SO4 SULFATE ION × 8 X-RAY DIFFRACTION
X-ray crystallization conditions pH 7.5；0.1M NA HEPES PH7.5, 2M AMMONIUM SULPHATE, 5% PEG400
Resolution 3.00 Å R-free 0.261
5ICN HDAC1:MTA1 in complex with inositol-6-phosphate and a novel peptide inhibitor based on histone H4 Deposited 2016-02-23 Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain B 1–376（376 aa）
Not recorded IHP INOSITOL HEXAKISPHOSPHATE × 2 ZN ZINC ION × 2 K POTASSIUM ION × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；293 K；0.1M NA HEPES PH7.5, 2M AMMONIUM SULPHATE, 5% PEG400
Resolution 3.30 Å R-free 0.299
6Z2J The structure of the dimeric HDAC1/MIDEAS/DNTTIP1 MiDAC deacetylase complex Deposited 2020-05-16 Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain C 1–482（482 aa）
Chain E 1–482（482 aa）
Not recorded IHP INOSITOL HEXAKISPHOSPHATE × 2 ZN ZINC ION × 2 K POTASSIUM ION × 4 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE；Blot time 3 sec, blot force 10.
Resolution 4.00 Å
6Z2K The structure of the tetrameric HDAC1/MIDEAS/DNTTIP1 MiDAC deacetylase complex Deposited 2020-05-16 Assembly 1 Protein heterocomplex Heteromer；Protein × 12 PDB declaration: dodecameric（12） Consistent with protein count
Chain C 1–482（482 aa）
Chain E 1–482（482 aa）
Chain I 1–482（482 aa）
Chain K 1–482（482 aa）
Not recorded ZN ZINC ION × 4 K POTASSIUM ION × 8 IHP INOSITOL HEXAKISPHOSPHATE × 4 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE；Blot time 3 sec, blot force 10.
Resolution 4.50 Å
7AO8 Structure of the MTA1/HDAC1/MBD2 NURD deacetylase complex Deposited 2020-10-14 Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain B 1–482（482 aa）
Chain E 1–482（482 aa）
Not recorded IHP INOSITOL HEXAKISPHOSPHATE × 2 ZN ZINC ION × 2 K POTASSIUM ION × 4 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE；Blot for 3 seconds, blot force 10
Resolution 4.50 Å
7AO9 Structure of the core MTA1/HDAC1/MBD2 NURD deacetylase complex Deposited 2020-10-14 Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain B 1–482（482 aa）
Chain E 1–482（482 aa）
Not recorded IHP INOSITOL HEXAKISPHOSPHATE × 2 ZN ZINC ION × 2 K POTASSIUM ION × 4 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE；Blot for 3 seconds, blot force 10
Resolution 6.10 Å
7AOA Structure of the extended MTA1/HDAC1/MBD2/RBBP4 NURD deacetylase complex Deposited 2020-10-14 Assembly 1 Protein heterocomplex Heteromer；Protein × 7 PDB declaration: heptameric（7） Consistent with protein count
Chain B 1–482（482 aa）
Chain E 1–482（482 aa）
Not recorded IHP INOSITOL HEXAKISPHOSPHATE × 2 ZN ZINC ION × 2 K POTASSIUM ION × 4 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE；Blot for 3 seconds, blot force 10
Resolution 19.40 Å
7SME p107 pocket domain complexed with HDAC1 peptide Deposited 2021-10-25 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 413–422（10 aa） Fragment：UNP residues 413-422
Not recorded SO4 SULFATE ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；277 K；100 mM MES, pH 6.5, 4% PEG400, 1.6 M ammonium sulfate
Resolution 2.64 Å R-free 0.277
8VOJ The Cryo-EM structure of LSD1-CoREST-HDAC1 in complex with KBTBD4 enhanced by UM171 and IP6 Deposited 2024-01-15 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain C 1–482（482 aa）
Not recorded ZN ZINC ION × 1 IHP INOSITOL HEXAKISPHOSPHATE × 1 A1ACV (1r,4r)-N~1~-[(7P)-2-benzyl-7-(2-methyl-2H-tetrazol-5-yl)-9H-pyrimido[4,5-b]indol-4-yl]cyclohexane-1,4-diamine × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.77 Å
8VPQ The structure of LSD1-CoREST-HDAC1 in complex with KBTBD4IPR310delinsTTYML Deposited 2024-01-16 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain C 1–482（482 aa）
Not recorded ZN ZINC ION × 1 IHP INOSITOL HEXAKISPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 Å
8VRT The structure of LSD1-CoREST-HDAC1 in complex with KBTBD4R313PRR mutant Deposited 2024-01-22 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain C 1–482（482 aa）
Not recorded ZN ZINC ION × 1 IHP INOSITOL HEXAKISPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.42 Å
9R4I An auto inhibitory loop in the MiDAC histone deacetylase complex Deposited 2025-05-07 Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain A 1–482（482 aa）
Chain D 1–482（482 aa）
Not recorded IHP INOSITOL HEXAKISPHOSPHATE × 2 ZN ZINC ION × 2 K POTASSIUM ION × 4 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；10 mM HEPES, 25 mM KCl, 1 micromolar Inositol Hexaphosphate
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.92 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.