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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：P0CB20 New Search
7PDB entries
10Biological assembly
20chain/assembly records
Main Difference Dimensions in This Set
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
4U5B Crystal structure of GluA2 A622T, con-ikot-ikot snail toxin, partial agonist KA and postitive modulator (R,R)-2b complex Deposited 2014-07-25 Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain E 38–123（86 aa）
Chain F 38–123（86 aa）
Not recorded KAI 3-(CARBOXYMETHYL)-4-ISOPROPENYLPROLINE × 4 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 4 FWF N,N'-[biphenyl-4,4'-diyldi(2R)propane-2,1-diyl]dipropane-2-sulfonamide × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；277 K；0.1 M MES pH 5.8-6.3, 0.1 M NaCl, 5%-6% PEG3350
Resolution 3.50 Å R-free 0.261
4U5C Crystal structure of GluA2, con-ikot-ikot snail toxin, partial agonist FW and postitive modulator (R,R)-2b complex Deposited 2014-07-25 Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain E 38–123（86 aa）
Chain F 38–123（86 aa）
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 4 FWD 2-AMINO-3-(5-FLUORO-2,4-DIOXO-3,4-DIHYDRO-2H-PYRIMIDIN-1-YL)-PROPIONIC ACID × 4 FWF N,N'-[biphenyl-4,4'-diyldi(2R)propane-2,1-diyl]dipropane-2-sulfonamide × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；277 K；0.1 M MES pH 5.8-6.3, 0.1 M NaCl, 5%-6% PEG3350
Resolution 3.69 Å R-free 0.254
4U5D Crystal structure of GluA2, con-ikot-ikot snail toxin, partial agonist KA and postitive modulator (R,R)-2b complex Deposited 2014-07-25 Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain E 38–123（86 aa）
Chain F 38–123（86 aa）
Not recorded KAI 3-(CARBOXYMETHYL)-4-ISOPROPENYLPROLINE × 4 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 4 FWF N,N'-[biphenyl-4,4'-diyldi(2R)propane-2,1-diyl]dipropane-2-sulfonamide × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；277 K；0.1 M MES pH 5.8-6.3, 0.1 M NaCl, 5%-6% PEG3350
Resolution 3.58 Å R-free 0.297
4U5E Crystal structure of GluA2 T625G, con-ikot-ikot snail toxin, partial agonist KA and postitive modulator (R,R)-2b complex Deposited 2014-07-25 Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain E 38–123（86 aa）
Chain F 38–123（86 aa）
Not recorded KAI 3-(CARBOXYMETHYL)-4-ISOPROPENYLPROLINE × 4 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 4 FWF N,N'-[biphenyl-4,4'-diyldi(2R)propane-2,1-diyl]dipropane-2-sulfonamide × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；277 K；0.1 M MES pH 5.8-6.3, 0.1 M NaCl, 5%-6% PEG3350
Resolution 3.51 Å R-free 0.276
4U5F Crystal structure of GluA2, con-ikot-ikot snail toxin, partial agonist KA and postitive modulator (R,R)-2b complex, GluA2cryst2 construct Deposited 2014-07-24 Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain E 38–123（86 aa）
Chain F 38–123（86 aa）
Not recorded KAI 3-(CARBOXYMETHYL)-4-ISOPROPENYLPROLINE × 4 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 4 FWF N,N'-[biphenyl-4,4'-diyldi(2R)propane-2,1-diyl]dipropane-2-sulfonamide × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；277 K；0.1 M MES pH 5.8-6.3, 0.1 M NaCl, 5%-6% PEG3350
Resolution 3.70 Å R-free 0.286
4U5G Crystal structure of con-ikot-ikot toxin Deposited 2014-07-25 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 38–123（86 aa）
Chain B 38–123（86 aa）
Not recorded ZN ZINC ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；0.1M MES pH 6.0, 0.2 M ZnAc2, 15% ethanol, 35% glycerol
Resolution 2.20 Å R-free 0.238
4U5H crystal structure of con-ikot-ikot toxin Deposited 2014-07-25 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain C 38–123（86 aa）
Chain D 38–123（86 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；0.1 M Tris pH 8.5, 35% methanol, 16% PEG3350
Resolution 1.58 Å R-free 0.211
4U5H crystal structure of con-ikot-ikot toxin Deposited 2014-07-25 Assembly 2 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain E 38–123（86 aa）
Chain F 38–123（86 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；0.1 M Tris pH 8.5, 35% methanol, 16% PEG3350
Resolution 1.58 Å R-free 0.211
4U5H crystal structure of con-ikot-ikot toxin Deposited 2014-07-25 Assembly 3 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain G 38–123（86 aa）
Chain H 38–123（86 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；0.1 M Tris pH 8.5, 35% methanol, 16% PEG3350
Resolution 1.58 Å R-free 0.211
4U5H crystal structure of con-ikot-ikot toxin Deposited 2014-07-25 Assembly 4 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 38–123（86 aa）
Chain B 38–123（86 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；0.1 M Tris pH 8.5, 35% methanol, 16% PEG3350
Resolution 1.58 Å R-free 0.211

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.