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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：P61978 New Search
8PDB entries
11Biological assembly
13chain/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
1J5K COMPLEX OF THE KH3 DOMAIN OF HNRNP K WITH A SINGLE_STRANDED 10MER DNA OLIGONUCLEOTIDE Deposited 2002-05-13 Assembly 1 Protein–DNA Monomer；Protein × 1 PDB declaration: dimeric（2） Consistent with all polymers
Chain A 379–463（85 aa） Fragment：KH3 domain, RESIDUES 379-463, NUMBERED 5-89
Not recorded No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 6.8；308 K；Ionic strength (raw mmCIF value) 50 mM SODIUM PHOSPHATE
Resolution not provided
1KHM C-TERMINAL KH DOMAIN OF HNRNP K (KH3) Deposited 1999-01-07 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 375–463（89 aa） Fragment：C-TERMINAL KH DOMAIN, RESIDUES 379-463 OF FULL LENGTH HNRNP K
Mutation：G26R No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 5.5；300 K；Ionic strength (raw mmCIF value) 5 mM；Pressure 1
Resolution not provided
1ZZI Crystal Structure Analysis of the third KH domain of hnRNP K in complex with ssDNA Deposited 2005-06-14 Assembly 1 Protein–DNA Monomer；Protein × 1 PDB declaration: dimeric（2） Consistent with all polymers
Chain A 385–463（79 aa） Fragment：KH3 domain
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.5；294 K；PEG 4000, TRIS HCl, MAGNESIUM CHLORIDE, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 294K
Resolution 1.80 Å R-free 0.240
1ZZI Crystal Structure Analysis of the third KH domain of hnRNP K in complex with ssDNA Deposited 2005-06-14 Assembly 2 Protein–DNA Monomer；Protein × 1 PDB declaration: dimeric（2） Consistent with all polymers
Chain B 385–463（79 aa） Fragment：KH3 domain
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.5；294 K；PEG 4000, TRIS HCl, MAGNESIUM CHLORIDE, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 294K
Resolution 1.80 Å R-free 0.240
1ZZJ Structure of the third KH domain of hnRNP K in complex with 15-mer ssDNA Deposited 2005-06-14 Assembly 1 Protein–DNA Homooligomer；Protein × 3 PDB declaration: tetrameric（4） Consistent with all polymers
Chain A 385–463（79 aa） Fragment：KH3 domain
Chain B 385–463（79 aa） Fragment：KH3 domain
Chain C 385–463（79 aa） Fragment：KH3 domain
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；294 K；PEG 8000, SODIUM ACETATE, MES, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 294K
Resolution 2.30 Å R-free 0.283
1ZZK Crystal Structure of the third KH domain of hnRNP K at 0.95A resolution Deposited 2005-06-14 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 385–463（79 aa） Fragment：KH3 domain
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8；294 K；ammonium sulphate, PEG 400, Tris-HCl, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 294K
Resolution 0.95 Å R-free 0.127
7CRU hnRNPK NLS in complex with Importin alpha 1 (KPNA2) Deposited 2020-08-14 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 18–38（21 aa）
Not recorded ACT ACETATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.5；293 K；0.1 M Ammonium Acetate, 0.1 M Bis-Tris pH 5.5, 17% w/v PEG 10000
Resolution 2.80 Å R-free 0.240
7CRU hnRNPK NLS in complex with Importin alpha 1 (KPNA2) Deposited 2020-08-14 Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain D 18–38（21 aa）
Not recorded ACT ACETATE ION × 4 GOL GLYCEROL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.5；293 K；0.1 M Ammonium Acetate, 0.1 M Bis-Tris pH 5.5, 17% w/v PEG 10000
Resolution 2.80 Å R-free 0.240
7RJK Crystal structure of human Bromodomain containing protein 3 (BRD3) in complex with hnRNPK Deposited 2021-07-21 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain C 57–66（10 aa） Fragment：UNP residues 57-66
Non-standard monomer：Yes (specific site not provided by mmCIF) EDO 1,2-ETHANEDIOL × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5.6；292 K；2.0 M ammonium sulfate, 0.1 M sodium citrate tribasic dihydrate, 0.2 M potassium/sodium tartrate tetrahydrate
Resolution 1.85 Å R-free 0.217
7RJK Crystal structure of human Bromodomain containing protein 3 (BRD3) in complex with hnRNPK Deposited 2021-07-21 Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain D 57–66（10 aa） Fragment：UNP residues 57-66
Non-standard monomer：Yes (specific site not provided by mmCIF) EDO 1,2-ETHANEDIOL × 1 SO4 SULFATE ION × 2 GOL GLYCEROL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5.6；292 K；2.0 M ammonium sulfate, 0.1 M sodium citrate tribasic dihydrate, 0.2 M potassium/sodium tartrate tetrahydrate
Resolution 1.85 Å R-free 0.217
7RJO Crystal structure of human Bromodomain containing protein 4 (BRD4) in complex with hnRNPK Deposited 2021-07-21 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 57–66（10 aa） Fragment：UNP residues 57-66
Non-standard monomer：Yes (specific site not provided by mmCIF) NA SODIUM ION × 1 GOL GLYCEROL × 2 ACT ACETATE ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；292 K；25% w/v PEG3350, 0.2 M ammonium acetate, 0.1 M Bis-Tris
Resolution 1.38 Å R-free 0.198

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.