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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：P48551 New Search
7PDB 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
1N6U NMR structure of the interferon-binding ectodomain of the human interferon receptor Deposited 2002-11-12 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 28–237（210 aa）
Not recorded No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 8；308 K；Ionic strength (raw mmCIF value) 20mM Tris；Pressure ambient
NMR measurement conditions pH 8；308 K；Ionic strength (raw mmCIF value) 20mM Tris；Pressure ambient
NMR measurement conditions pH 8；305 K；Ionic strength (raw mmCIF value) 20mM Tris；Pressure ambient
NMR sample composition 0.5mM IFNAR2-EC U-15N; 20mM d-Tris pH 8, 0.02% NaN3; | 95% H2O/5% D2O
NMR sample composition 0.35mM IFNAR2-EC U-15N,13C; 20mM d-Tris pH 8, 0.02% NaN3; | 95% H2O/5% D2O
NMR sample composition 0.35mM IFNAR2-EC U-15N,13C; 20mM d-Tris pH 8, 0.02% NaN3; | 99% D2O
Resolution not provided
1N6V Average structure of the interferon-binding ectodomain of the human type I interferon receptor Deposited 2002-11-12 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 28–237（210 aa）
Not recorded No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 8；308 K；Ionic strength (raw mmCIF value) 20mM Tris buffer；Pressure ambient
NMR measurement conditions pH 8；308 K；Ionic strength (raw mmCIF value) 20mM Tris buffer；Pressure ambient
NMR measurement conditions pH 8；305 K；Ionic strength (raw mmCIF value) 20mM Tris buffer；Pressure ambient
NMR sample composition 0.4mM U-15N IFNAR2-EC; 20mM d-Tris pH 8, 0.02% NaN3 | 95% H2O/5% D2O
NMR sample composition 0.35mM U-13C,15N IFNAR2-EC; 20mM d-Tris pH 8, 0.02% NaN3 | 95% H2O/5% D2O
NMR sample composition 0.3mM U-13C,15N IFNAR2-EC; 20mM d-Tris pH 8, 0.02% NaN3 | 99% D2O
Resolution not provided
2LAG Structure of the 44 kDa complex of interferon-alpha2 with the extracellular part of IFNAR2 obtained by 2D-double difference NOESY Deposited 2011-03-13 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 28–239（212 aa）
Not recorded No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 8；305 K；Ionic strength (raw mmCIF value) 25；Pressure ambient
NMR sample composition 0.25 mM [U-99% 2H] Interferon alpha/beta receptor 2, 0.25 mM [U-99% 2H] Interferon alpha-2, 100% D2O | 100% D2O
Resolution not provided
3S8W D2 domain of human IFNAR2 Deposited 2011-05-31 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 131–232（102 aa） Fragment：UNP Residues 131-232
Non-standard monomer：Yes (specific site not provided by mmCIF) CL CHLORIDE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions pH 8.5；293 K；31% (w/v) PEG 4000, 200 mM Li2SO4, 100 mM Tris pH 8.5, 5% (v/v) MPD, 10 mM Na acetate, 1.5% (w/v) PEG8000, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 2.60 Å R-free 0.270
3S8W D2 domain of human IFNAR2 Deposited 2011-05-31 Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain B 131–232（102 aa） Fragment：UNP Residues 131-232
Non-standard monomer：Yes (specific site not provided by mmCIF) No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions pH 8.5；293 K；31% (w/v) PEG 4000, 200 mM Li2SO4, 100 mM Tris pH 8.5, 5% (v/v) MPD, 10 mM Na acetate, 1.5% (w/v) PEG8000, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 2.60 Å R-free 0.270
3S8W D2 domain of human IFNAR2 Deposited 2011-05-31 Assembly 3 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain C 131–232（102 aa） Fragment：UNP Residues 131-232
Non-standard monomer：Yes (specific site not provided by mmCIF) CL CHLORIDE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions pH 8.5；293 K；31% (w/v) PEG 4000, 200 mM Li2SO4, 100 mM Tris pH 8.5, 5% (v/v) MPD, 10 mM Na acetate, 1.5% (w/v) PEG8000, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 2.60 Å R-free 0.270
3S9D binary complex between IFNa2 and IFNAR2 Deposited 2011-06-01 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 37–232（196 aa） Fragment：UNP Residues 37-232
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions 293 K；20% (w/v) PEG 3350, 200 mM NaSCN, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 2.00 Å R-free 0.233
3S9D binary complex between IFNa2 and IFNAR2 Deposited 2011-06-01 Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain D 37–232（196 aa） Fragment：UNP Residues 37-232
Not recorded CL CHLORIDE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions 293 K；20% (w/v) PEG 3350, 200 mM NaSCN, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 2.00 Å R-free 0.233
3SE3 human IFNa2-IFNAR ternary complex Deposited 2011-06-10 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain C 34–232（199 aa） Fragment：UNP Residues 34-232
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 X-RAY DIFFRACTION
X-ray crystallization conditions pH 6.5；293 K；15% (w/v) PEG 3350, 100 mM Na malonate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 4.00 Å R-free 0.311
3SE4 human IFNw-IFNAR ternary complex Deposited 2011-06-10 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain C 34–232（199 aa） Fragment：UNP Residues 34-232
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 X-RAY DIFFRACTION
X-ray crystallization conditions pH 6.5；293 K；19% (w/v) PEG 3350, 100 mM Ammonium sulfate, 100 mM Bis-Tris pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 3.50 Å R-free 0.288

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.