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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：Q02242 New Search
7PDB entries
9Biological assembly
9chain/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
1NPU CRYSTAL STRUCTURE OF THE EXTRACELLULAR DOMAIN OF MURINE PD-1 Deposited 2003-01-20 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 34–150（117 aa） Fragment：Ig V-type domain
Mutation：C50S No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；293 K；PEG8000, NaAc, NaCacodylate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 2.00 Å R-free 0.228
3BIK Crystal Structure of the PD-1/PD-L1 Complex Deposited 2007-11-30 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 25–157（133 aa） Fragment：EXTRACELLULAR DOMAIN
Mutation：YES No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；298 K；20% PEG 3350, 200MM NH4H2PO4, pH 6.00, VAPOR DIFFUSION, SITTING DROP, temperature 298K
Resolution 2.65 Å R-free 0.268
3BIK Crystal Structure of the PD-1/PD-L1 Complex Deposited 2007-11-30 Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain C 25–157（133 aa） Fragment：EXTRACELLULAR DOMAIN
Mutation：YES GOL GLYCEROL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；298 K；20% PEG 3350, 200MM NH4H2PO4, pH 6.00, VAPOR DIFFUSION, SITTING DROP, temperature 298K
Resolution 2.65 Å R-free 0.268
3BP5 Crystal structure of the mouse PD-1 and PD-L2 complex Deposited 2007-12-18 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 34–150（117 aa） Fragment：Extrocellular domain
Mutation：C50S GOL GLYCEROL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions Sitting drop；pH 8.5；291 K；20% PEG 6000, 0.1 M Tris pH 8.5, Sitting drop, temperature 291K
Resolution 1.80 Å R-free 0.228
3BP6 Crystal structure of the mouse PD-1 Mutant and PD-L2 complex Deposited 2007-12-18 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 34–150（117 aa） Fragment：Extrocellular domain
Mutation：C50S, A99L GOL GLYCEROL × 4 X-RAY DIFFRACTION
X-ray crystallization conditions Sitting drop；pH 8.5；291 K；20% PEG 6000, 0.1 M Tris pH 8.5, Sitting drop, temperature 291K
Resolution 1.60 Å R-free 0.218
3RNK Crystal structure of the complex between mouse PD-1 mutant and PD-L2 IgV domain Deposited 2011-04-22 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 34–150（117 aa） Fragment：Residues 34-150
Mutation：C83S, A132L No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；291 K；0.1M HEPES pH 7, 0.1M Magnesium chloride, 15% PEG 4000, Vapor diffusion, Sitting drop, temperature 291K
Resolution 1.74 Å R-free 0.247
3RNQ Crystal structure of the complex between the extracellular domains of mouse PD-1 mutant and PD-L2 Deposited 2011-04-22 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 34–150（117 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8；298 K；0.1M Tris pH 8, 17.5% PEG 6000, Vapor diffusion, Sitting drop, temperature 298K
Resolution 1.60 Å R-free 0.207
3SBW Crystal structure of the complex between the extracellular domains of mouse PD-1 mutant and human PD-L1 Deposited 2011-06-06 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 34–150（117 aa） Fragment：UNP residues 34-150
Mutation：C83S, A132L No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 4.5；277 K；0.1M Sodium citrate pH 5, 20% PEG 8000, Vapor diffusion, Sitting drop, temperature 277K
Resolution 2.28 Å R-free 0.270
3SBW Crystal structure of the complex between the extracellular domains of mouse PD-1 mutant and human PD-L1 Deposited 2011-06-06 Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 34–150（117 aa） Fragment：UNP residues 34-150
Mutation：C83S, A132L No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 4.5；277 K；0.1M Sodium citrate pH 5, 20% PEG 8000, Vapor diffusion, Sitting drop, temperature 277K
Resolution 2.28 Å R-free 0.270

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.