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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：Q96QT6 New Search
6PDB entries
6Biological assembly
8chain/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
2L9S Solution structure of Pf1 SID1-mSin3A PAH2 Complex Deposited 2011-02-23 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 200–241（42 aa） Fragment：sequence database residues 200-241
Not recorded No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 6；298 K；Ionic strength (raw mmCIF value) 0；Pressure ambient
NMR sample composition 0.75-1.5 mM [U-100% 13C; U-100% 15N] peptide, 0.75-1.5 mM [U-100% 13C; U-100% 15N] protein, 90% H2O/10% D2O | 90% H2O/10% D2O
Resolution not provided
2LKM Structural Basis for Molecular Interactions Involving MRG Domains: Implications in Chromatin Biology Deposited 2011-10-16 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 200–241（42 aa） Fragment：UNP residues 200-241
Not recorded No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 6.8；298 K
NMR sample composition 0.9 mM [U-100% 13C; U-100% 15N] protein_1, 0.9 mM protein_2, 50 mM sodium phosphate, 10 % [U-100% 2H] D2O, 5 mM [U-2H] DTT, 0.2 % sodium azide, 90% H2O/10% D2O | 90% H2O/10% D2O
NMR sample composition 0.9 mM [U-100% 13C; U-100% 15N] protein_1, 0.9 mM protein_2, 50 mM potassium chloride, 100 % [U-100% 2H] D2O, 5 mM [U-2H] DTT, 0.2 % sodium azide, 100% D2O | 100% D2O
NMR sample composition 0.9 mM protein_1, 0.9 mM [U-100% 13C; U-100% 15N] protein_2, 50 mM sodium phosphate, 10 % [U-100% 2H] D2O, 5 mM [U-2H] DTT, 0.2 % sodium azide, 90% H2O/10% D2O | 90% H2O/10% D2O
NMR sample composition 0.9 mM protein_1, 0.9 mM [U-100% 13C; U-100% 15N] protein_2, 50 mM sodium phosphate, 100 % [U-100% 2H] D2O, 5 mM [U-2H] DTT, 0.2 % sodium azide, 100% D2O | 100% D2O
Resolution not provided
8BPA Cryo-EM structure of the human SIN3B histone deacetylase complex at 3.7 Angstrom Deposited 2022-11-16 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain C 1–1004（1004 aa）
Not recorded ZN ZINC ION × 5 CA CALCIUM ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.70 Å
8BPB Cryo-EM structure of the human SIN3B histone deacetylase core complex at 2.8 Angstrom Deposited 2022-11-16 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain C 1–256（256 aa）
Chain C 257–364（108 aa）
Not recorded ZN ZINC ION × 3 CA CALCIUM ION × 2 ACT ACETATE ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.80 Å
8BPC Cryo-EM structure of the human SIN3B histone deacetylase core complex with SAHA at 2.8 Angstrom Deposited 2022-11-16 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain C 1–256（256 aa）
Chain C 257–364（108 aa）
Not recorded SHH OCTANEDIOIC ACID HYDROXYAMIDE PHENYLAMIDE × 1 ZN ZINC ION × 3 CA CALCIUM ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.80 Å
8C60 Cryo-EM structure of the human SIN3B full-length complex at 3.4 Angstrom resolution Deposited 2023-01-10 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain C 1–1004（1004 aa）
Not recorded ZN ZINC ION × 5 CA CALCIUM ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 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.