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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：Q9NVX7 New Search
10PDB entries
10Biological assembly
19chain/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
2EQX Solution structure of the BACK domain of Kelch repeat and BTB domain-containing protein 4 Deposited 2007-03-30 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 142–239（98 aa） Fragment：BACK domain
Not recorded No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 7；298 K；Ionic strength (raw mmCIF value) 120mM；Pressure ambient
NMR sample composition 1.15mM 13C-15N PROTEIN; 20mM d-Tris-HCl (pH7.0); 100mM NaCl; 1mM d-DTT; 0.02% NaN3; 90% H2O, 10% D2O | 90% H2O/10% D2O
Resolution not provided
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 A 1–534（534 aa）
Chain B 1–534（534 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 A 1–534（534 aa）
Chain B 1–534（534 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 A 17–534（518 aa）
Chain B 17–534（518 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
9DTG The cryo-EM structure of apo KBTBD4 Deposited 2024-09-30 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–534（534 aa）
Chain B 1–534（534 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.83 Å
9DTQ The structure of HDAC2-CoREST in complex with KBTBD4R313PRR mutant Deposited 2024-10-01 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain B 17–534（518 aa）
Chain E 17–534（518 aa）
Not recorded IHP INOSITOL HEXAKISPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.87 Å
9GGL Cryo-EM structure of KBTBD4 WT-HDAC2 2:1 complex mediated by molecular glue UM171 Deposited 2024-08-13 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 17–534（518 aa）
Chain C 17–534（518 aa）
Not recorded ZN ZINC ION × 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 3.13 Å
9GGM Cryo-EM structure of KBTBD4 P313PRR mutant-HDAC2 2:2 complex Deposited 2024-08-13 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 17–534（518 aa）
Chain C 17–534（518 aa）
Mutation：Indel mutation R313PRR Mutation：Indel mutation R313PRR ZN ZINC ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.71 Å
9GGN Cryo-EM structure of KBTBD4 WT-HDAC2 2:2 complex mediated by molecular glue UM171 Deposited 2024-08-13 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 17–534（518 aa）
Chain C 17–534（518 aa）
Not recorded 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 × 2 ZN ZINC ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.90 Å
9I2C Cryo-EM structure of KBTBD4 WT-HDAC2-CoREST1 2:1:1 complex mediated by molecular glue UM171 Deposited 2025-01-20 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 17–534（518 aa）
Chain C 17–534（518 aa）
Not recorded 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 ZN ZINC ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 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.