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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：Q9WV48 New Search
6PDB entries
15Biological assembly
19chain/assembly records
Main Difference Dimensions in This Set
Different construct Different mutation/modification Different assembly state Different ligand/ion 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
1Q3O Crystal structure of the Shank PDZ-ligand complex reveals a class I PDZ interaction and a novel PDZ-PDZ dimerization Deposited 2003-07-31 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 582–690（109 aa） Fragment：PDZ domain
Chain B 582–690（109 aa） Fragment：PDZ domain
Not recorded BR BROMIDE ION × 5 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 4.5；294 K；PEG 20K, NaBr, Glycerol, Sodium acetate, pH 4.5, VAPOR DIFFUSION, HANGING DROP, temperature 294K
Resolution 1.80 Å R-free 0.251
1Q3P Crystal structure of the Shank PDZ-ligand complex reveals a class I PDZ interaction and a novel PDZ-PDZ dimerization Deposited 2003-07-31 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 582–690（109 aa） Fragment：PDZ domain
Chain B 582–690（109 aa） Fragment：PDZ 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 6000, KCl, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 294K
Resolution 2.25 Å R-free 0.280
1Q3P Crystal structure of the Shank PDZ-ligand complex reveals a class I PDZ interaction and a novel PDZ-PDZ dimerization Deposited 2003-07-31 Assembly 2 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric（8） Consistent with protein count
Chain A 582–690（109 aa） Fragment：PDZ domain
Chain B 582–690（109 aa） Fragment：PDZ 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 6000, KCl, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 294K
Resolution 2.25 Å R-free 0.280
3L4F Crystal Structure of betaPIX Coiled-Coil Domain and Shank PDZ Complex Deposited 2009-12-19 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain D 653–765（113 aa） Fragment：PDZ domain
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；298 K；15% ETHANOL, 10% ETHYLENE GLYCOL, 0.1M MES-NAOH, pH 6.50, VAPOR DIFFUSION, SITTING DROP, temperature 298K
Resolution 2.80 Å R-free 0.307
3QJM Structural flexibility of Shank PDZ domain is important for its binding to different ligands Deposited 2011-01-30 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 654–768（115 aa） Fragment：PDZ domain
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.5；294 K；100mM sodium acetate(pH 5.5-6.0), 0.8M lithium sulfate, 0.7M ammonium sulfate, VAPOR DIFFUSION, HANGING DROP, temperature 294K
Resolution 2.31 Å R-free 0.267
3QJM Structural flexibility of Shank PDZ domain is important for its binding to different ligands Deposited 2011-01-30 Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 654–768（115 aa） Fragment：PDZ domain
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.5；294 K；100mM sodium acetate(pH 5.5-6.0), 0.8M lithium sulfate, 0.7M ammonium sulfate, VAPOR DIFFUSION, HANGING DROP, temperature 294K
Resolution 2.31 Å R-free 0.267
3QJN Structural flexibility of Shank PDZ domain is important for its binding to different ligands Deposited 2011-01-30 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 654–768（115 aa） Fragment：PDZ 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；100mM MES, 12% ethanol, 10% ethylene glycol, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 294K
Resolution 2.71 Å R-free 0.272
3QJN Structural flexibility of Shank PDZ domain is important for its binding to different ligands Deposited 2011-01-30 Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 654–768（115 aa） Fragment：PDZ 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；100mM MES, 12% ethanol, 10% ethylene glycol, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 294K
Resolution 2.71 Å R-free 0.272
3QJN Structural flexibility of Shank PDZ domain is important for its binding to different ligands Deposited 2011-01-30 Assembly 3 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain C 654–768（115 aa） Fragment：PDZ 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；100mM MES, 12% ethanol, 10% ethylene glycol, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 294K
Resolution 2.71 Å R-free 0.272
3QJN Structural flexibility of Shank PDZ domain is important for its binding to different ligands Deposited 2011-01-30 Assembly 4 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain D 654–768（115 aa） Fragment：PDZ 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；100mM MES, 12% ethanol, 10% ethylene glycol, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 294K
Resolution 2.71 Å R-free 0.272
3QJN Structural flexibility of Shank PDZ domain is important for its binding to different ligands Deposited 2011-01-30 Assembly 5 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain E 654–768（115 aa） Fragment：PDZ 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；100mM MES, 12% ethanol, 10% ethylene glycol, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 294K
Resolution 2.71 Å R-free 0.272
3QJN Structural flexibility of Shank PDZ domain is important for its binding to different ligands Deposited 2011-01-30 Assembly 6 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain F 654–768（115 aa） Fragment：PDZ 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；100mM MES, 12% ethanol, 10% ethylene glycol, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 294K
Resolution 2.71 Å R-free 0.272
3QJN Structural flexibility of Shank PDZ domain is important for its binding to different ligands Deposited 2011-01-30 Assembly 7 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain G 654–768（115 aa） Fragment：PDZ 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；100mM MES, 12% ethanol, 10% ethylene glycol, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 294K
Resolution 2.71 Å R-free 0.272
3QJN Structural flexibility of Shank PDZ domain is important for its binding to different ligands Deposited 2011-01-30 Assembly 8 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain H 654–768（115 aa） Fragment：PDZ 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；100mM MES, 12% ethanol, 10% ethylene glycol, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 294K
Resolution 2.71 Å R-free 0.272
7A9B Crystal structure of Shank1 PDZ domain with ARAP3-derived peptide Deposited 2020-09-01 Assembly 1 Insufficient information Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 654–763（110 aa）
Chain B 654–763（110 aa）
Not recorded EDO 1,2-ETHANEDIOL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293 K；100 nL of protein solution (15 mg/ml mutant protein in 10 mM HEPES buffer, pH 8.0, 150 mM NaCl, 5% (v/v) glycerol and 0.5 mM TCEP) were mixed with 100 nL reservoir buffer (16% (w/v) polyethylene glycol 3350 and 0.2 M ammonium citrate), above a reservoir volume of 20 microL
Resolution 2.00 Å R-free 0.249

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.