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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：P32241 New Search
11PDB entries
13Biological 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
1OF2 Crystal structure of HLA-B*2709 complexed with the vasoactive intestinal peptide type 1 receptor (VIPR) peptide (residues 400-408) Deposited 2003-04-04 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain C 400–408（9 aa） Fragment：RESIDUES 400-408
Not recorded GOL GLYCEROL × 3 MN MANGANESE (II) ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.5；291 K；TRIS PH 8.5, 19% PEG 8000 HANGING DROP, TEMPERATURE 291K
Resolution 2.20 Å R-free 0.244
1OGT CRYSTAL STRUCTURE OF HLA-B*2705 COMPLEXED WITH THE VASOACTIVE INTESTINAL PEPTIDE TYPE 1 RECEPTOR (VIPR) PEPTIDE (RESIDUES 400-408) Deposited 2003-05-13 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain C 400–408（9 aa） Fragment：RESIDUES 400-408
Not recorded GOL GLYCEROL × 5 MN MANGANESE (II) ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8；291 K；TRIS PH 8.0, 16% PEG 8000, HANGING DROP, TEMPERATURE 291K
Resolution 1.47 Å R-free 0.178
3B3I Citrullination-dependent differential presentation of a self-peptide by HLA-B27 subtypes Deposited 2007-10-22 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain C 400–408（9 aa） Fragment：RESIDUES 400-408
Non-standard monomer：Yes (specific site not provided by mmCIF) GOL GLYCEROL × 6 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8；291 K；0.1 M Tris, 25% PEG 8000, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 291K
Resolution 1.86 Å R-free 0.233
5IB1 Crystal structure of HLA-B*27:05 complexed with the self-peptide pVIPR measured at 295 K Deposited 2016-02-22 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain C 400–408（9 aa） Fragment：UNP residues 400-408
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8；291 K；0.1 M Tris HCl, 16% (w/v) PEG 8000
Resolution 1.91 Å R-free 0.192
5IB2 Crystal structure of HLA-B*27:05 complexed with the self-peptide pVIPR Deposited 2016-02-22 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain C 400–408（9 aa） Fragment：UNP residues 400-408
Not recorded GOL GLYCEROL × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；291 K
Resolution 1.44 Å R-free 0.161
5IB3 Crystal structure of HLA-B*27:05 complexed with the self-peptide pVIPR and Copper Deposited 2016-02-22 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain C 400–408（9 aa） Fragment：UNP residues 400-408
Not recorded CU COPPER (II) ION × 2 GOL GLYCEROL × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8；291 K；0.1 M Tris HCl, 16% (w/v) PEG 8000
Resolution 1.91 Å R-free 0.204
5IB4 Crystal structure of HLA-B*27:05 complexed with the self-peptide pVIPR and Nickel Deposited 2016-02-22 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain C 400–408（9 aa） Fragment：UNP residues 400-408
Not recorded NI NICKEL (II) ION × 2 GOL GLYCEROL × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8；291 K；0.1 M Tris HCl, 16% (w/v) PEG 8000
Resolution 1.95 Å R-free 0.202
5IB5 Crystal structure of HLA-B*27:09 complexed with the self-peptide pVIPR and Copper Deposited 2016-02-22 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain C 400–408（9 aa） Fragment：UNP residues 400-408
Not recorded CU COPPER (II) ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8；291 K；0.1 M Tris HCl, 16% (w/v) PEG 8000
Resolution 2.49 Å R-free 0.272
5IB5 Crystal structure of HLA-B*27:09 complexed with the self-peptide pVIPR and Copper Deposited 2016-02-22 Assembly 2 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain F 400–408（9 aa） Fragment：UNP residues 400-408
Not recorded CU COPPER (II) ION × 3 GOL GLYCEROL × 1 CL CHLORIDE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8；291 K；0.1 M Tris HCl, 16% (w/v) PEG 8000
Resolution 2.49 Å R-free 0.272
7ALO Structure of B*27:09/photoRL9 Deposited 2020-10-07 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain C 400–408（9 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) GOL GLYCEROL × 5 TRS 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL × 1 1PE PENTAETHYLENE GLYCOL × 1 PGE TRIETHYLENE GLYCOL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.4；291 K；20% (w/v) polyethylene glycol 3350, and 200 mM KSCN
Resolution 1.80 Å R-free 0.266
7ALO Structure of B*27:09/photoRL9 Deposited 2020-10-07 Assembly 2 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain F 400–408（9 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) GOL GLYCEROL × 7 TRS 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL × 1 PEG DI(HYDROXYETHYL)ETHER × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.4；291 K；20% (w/v) polyethylene glycol 3350, and 200 mM KSCN
Resolution 1.80 Å R-free 0.266
8E3Y Cryo-EM structure of the VPAC1R-PACAP27-Gs complex Deposited 2022-08-17 Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain R 28–457（430 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.30 Å
8E3Z Cryo-EM structure of the VPAC1R-VIP-Gs complex Deposited 2022-08-17 Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain R 28–457（430 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.70 Å

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.