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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：Q13263 New Search
10PDB entries
11Biological assembly
16chain/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
1FP0 SOLUTION STRUCTURE OF THE PHD DOMAIN FROM THE KAP-1 COREPRESSOR Deposited 2000-08-29 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 619–679（61 aa） Fragment：PHD DOMAIN
Not recorded ZN ZINC ION × 2 SOLUTION NMR
NMR measurement conditions pH 7.5；303 K；Pressure AMBIENT
NMR sample composition 1.5-3.0 mM 15N-labelled or unlabelled KAP-1 PHD, 20 mM NaH2PO4, 500 mM NaCl, 5 mM DTT, pH 7.5 | 90% H2O/10% D2O
NMR sample composition 1.5-3.0 mM unlabelled KAP-1 PHD, 20 mM NaH2PO4, 500 mM NaCl, 5 mM DTT, pH 7.5 | 100% D2O
Resolution not provided
2RO1 NMR Solution Structures of Human KAP1 PHD finger-bromodomain Deposited 2008-03-04 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 624–812（189 aa） Fragment：UNP residues 624-812
Not recorded ZN ZINC ION × 2 SOLUTION NMR
NMR measurement conditions pH 6.5；303 K；Ionic strength (raw mmCIF value) 0.2；Pressure ambient
NMR sample composition 0.5mM [U-100% 13C; U-100% 15N] protein, 100% D2O | 100% D2O
Resolution not provided
2YVR Crystal structure of MS1043 Deposited 2007-04-13 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 201–250（50 aa） Fragment：zf-B_box domain, residues in database 201-250
Chain B 201–250（50 aa） Fragment：zf-B_box domain, residues in database 201-250
Not recorded ZN ZINC ION × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.6；293 K；HEPES, PEG4000, pH 7.6, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 1.80 Å R-free 0.218
6H3A Crystal structure of the KAP1 RBCC domain in complex with the SMARCAD1 CUE1 domain. Deposited 2018-07-17 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 53–434（382 aa）
Chain F 53–434（382 aa）
Not recorded ZN ZINC ION × 8 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；277 K；1.2 M Sodium Malonate, 0.5 % Jeffamine ED-2003 and 0.1 M HEPES pH 7.0
Resolution 5.50 Å R-free 0.303
6I9H Solution structure of TRIM28 RING domain Deposited 2018-11-23 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 54–145（92 aa）
Not recorded ZN ZINC ION × 2 SOLUTION NMR
NMR measurement conditions pH 6.2；298 K；Ionic strength (raw mmCIF value) 100；Pressure 1
NMR measurement conditions pH 6.2；298 K；Ionic strength (raw mmCIF value) 100；Pressure 1
NMR sample composition 1 mM [U-15N] TRIM28 RING, 90% H2O/10% D2O | 90% H2O/10% D2O
NMR sample composition 1 mM [U-13C; U-15N] TRIM28 RING, 90% H2O/10% D2O | 90% H2O/10% D2O
Resolution not provided
6QAJ Structure of the tripartite motif of KAP1/TRIM28 Deposited 2018-12-19 Assembly 1 Insufficient information Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 56–413（358 aa）
Chain B 56–413（358 aa）
Not recorded ZN ZINC ION × 8 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；291 K；15% (w/v) PEG 3350, 75 mM MgCl2, 0.1 M HEPES pH 7.5
Resolution 2.90 Å R-free 0.291
6QU1 Crystal structure of the KAP1 RBCC domain in complex with the SMARCAD1 CUE1 domain at 3.7 angstrom resolution. Deposited 2019-02-26 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 53–142（90 aa）
Chain A 203–434（232 aa）
Not recorded ZN ZINC ION × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；277 K；25 % PEG 3350, 0.1 M HEPES pH 7.5
Resolution 3.70 Å R-free 0.346
7Z36 Crystal structure of the KAP1 tripartite motif in complex with the ZNF93 KRAB domain Deposited 2022-03-01 Assembly 1 Insufficient information Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain A 56–140（85 aa）
Chain B 56–140（85 aa）
Mutation：KAP1 B-box 1 domain (residues 141-202) deleted Mutation：KAP1 B-box 1 domain (residues 141-202) deleted ZN ZINC ION × 8 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；291 K；11% (w/v) PEG 5000 MME 5% Tacsimate 0.1 M HEPES pH 7
Resolution 2.80 Å R-free 0.274
9CDW Crystal structure of HP1alpha chromoshadow domain in complex with KAP1 peptide Deposited 2024-06-25 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain E 485–490（6 aa）
Not recorded PGE TRIETHYLENE GLYCOL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；291 K；0.1 M Bis-Tris pH 5.8, 0.2 M MgCl2, 20% PEG3350, 30 mM glycyl-glycyl-glycine
Resolution 2.40 Å R-free 0.252
9CDW Crystal structure of HP1alpha chromoshadow domain in complex with KAP1 peptide Deposited 2024-06-25 Assembly 2 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain F 485–490（6 aa）
Not recorded PGE TRIETHYLENE GLYCOL × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；291 K；0.1 M Bis-Tris pH 5.8, 0.2 M MgCl2, 20% PEG3350, 30 mM glycyl-glycyl-glycine
Resolution 2.40 Å R-free 0.252
9OSC Crystal structure of HP1gamma chromoshadow domain in complex with KAP1 peptide Deposited 2025-05-23 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain C 483–493（11 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；291 K；1.0 M LiCl2, 0.1 M citrate buffer pH 4.0, and 20% PEG6000
Resolution 1.77 Å R-free 0.236

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.