← Back to search

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：P31948 New Search
8PDB entries
10Biological assembly
10chain/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
1ELR Crystal structure of the TPR2A domain of HOP in complex with the HSP90 peptide MEEVD Deposited 2000-03-14 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 222–352（131 aa） Fragment：MIDDLE DOMAIN
Not recorded NI NICKEL (II) ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.5；293 K；PEG MME 2000, TRIS, Nickel chloride, Xylitol, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 1.90 Å R-free 0.219
1ELW Crystal structure of the TPR1 domain of HOP in complex with a HSC70 peptide Deposited 2000-03-14 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–118（118 aa） Fragment：N-TERMINAL DOMAIN
Not recorded NI NICKEL (II) ION × 2 TRS 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.5；293 K；PEG MME 2000, TRIS, Nickel Chloride, Xylitol, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 1.60 Å R-free 0.215
1ELW Crystal structure of the TPR1 domain of HOP in complex with a HSC70 peptide Deposited 2000-03-14 Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 1–118（118 aa） Fragment：N-TERMINAL DOMAIN
Not recorded NI NICKEL (II) ION × 2 TRS 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.5；293 K；PEG MME 2000, TRIS, Nickel Chloride, Xylitol, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 1.60 Å R-free 0.215
2LNI Solution NMR Structure of Stress-induced-phosphoprotein 1 STI1 from Homo sapiens, Northeast Structural Genomics Consortium Target HR4403E Deposited 2011-12-28 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 356–477（122 aa） Fragment：TPR repeats 7-9, residues 356-477
Not recorded No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 4.5；293 K；Pressure ambient
NMR sample composition 0.807 mM [U-100% 13C; U-100% 15N] HR4403E, 95% H2O/5% D2O | 95% H2O/5% D2O
NMR sample composition 0.763 mM [U-5% 13C; U-100% 15N] HR4403E, 95% H2O/5% D2O | 95% H2O/5% D2O
NMR sample composition 0.4 mM [U-100% 13C; U-100% 15N] HR4403E, 100% D2O | 100% D2O
Resolution not provided
2NC9 Apo solution structure of Hop TPR2A Deposited 2016-03-23 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 220–350（131 aa） Fragment：residues 280-350
Not recorded No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 6.5；298 K；Ionic strength (raw mmCIF value) 70；Pressure ambient
NMR sample composition 1.5 mM [U-13C; U-15N] protein, 20 mM sodium phosphate, 50 mM sodium chloride, 1 mM DTT, 0.01 % sodium azide, 90% H2O/10% D2O | 90% H2O/10% D2O
NMR sample composition 1.5 mM [U-13C; U-15N] protein, 20 mM sodium phosphate, 50 mM sodium chloride, 1 mM DTT, 0.01 % sodium azide, 100% D2O | 100% D2O
Resolution not provided
3ESK Structure of HOP TPR2A domain in complex with the non-cognate Hsc70 peptide ligand Deposited 2008-10-06 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 222–349（128 aa） Fragment：TPR2A domain, UNP residues 223-350
Not recorded NI NICKEL (II) ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions pH 8.5；298 K；TRIS pH 8.5, PEG MME 2000, NiCl2, Xylitol, VAPOR DIFFUSION, temperature 298K
Resolution 2.05 Å R-free 0.244
3FWV Crystal Structure of a Redesigned TPR Protein, T-MOD(VMY), in Complex with MEEVF Peptide Deposited 2009-01-19 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 223–349（127 aa） Fragment：TPR repeats 4-6
Not recorded NI NICKEL (II) ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.5；298 K；100 mM Tris pH 8.5, 30% PEG MME 2000, 5-10 mM NiCl2, 10% xylitol, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 2.20 Å R-free 0.244
3FWV Crystal Structure of a Redesigned TPR Protein, T-MOD(VMY), in Complex with MEEVF Peptide Deposited 2009-01-19 Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 223–349（127 aa） Fragment：TPR repeats 4-6
Not recorded NI NICKEL (II) ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.5；298 K；100 mM Tris pH 8.5, 30% PEG MME 2000, 5-10 mM NiCl2, 10% xylitol, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 2.20 Å R-free 0.244
7KW7 Atomic cryoEM structure of Hsp90-Hsp70-Hop-GR Deposited 2020-11-30 Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain E 1–543（543 aa）
Not recorded ADP ADENOSINE-5'-DIPHOSPHATE × 2 MG MAGNESIUM ION × 2 K POTASSIUM ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 3.57 Å
9QQU Crystal structure of an engineered TPR domain in complex with the HSP90 peptide MEEVD Deposited 2025-04-02 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 218–350（133 aa）
Not recorded SO4 SULFATE ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5；293 K；0.1M Sodium Acetate, pH 5.0 2.0 M Ammonium sulphate
Resolution 2.13 Å R-free 0.256

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.