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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：P40933 New Search
4PDB entries
12Biological assembly
12chain/assembly records
Main Difference Dimensions in This Set
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
2XQB Crystal Structure of anti-IL-15 Antibody in Complex with human IL-15 Deposited 2010-09-01 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 49–162（114 aa）
Not recorded SO4 SULFATE ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions pH 9.5；PCTP 100MM, PH 9.5, 25 %W/V PEG-3350, 200MM AMMONIUM SULPHATE
Resolution 2.60 Å R-free 0.318
2Z3Q Crystal structure of the IL-15/IL-15Ra complex Deposited 2007-06-05 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 49–162（114 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 1.85 Å R-free 0.252
2Z3Q Crystal structure of the IL-15/IL-15Ra complex Deposited 2007-06-05 Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain C 49–162（114 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 1.85 Å R-free 0.252
2Z3R Crystal structure of the IL-15/IL-15Ra complex Deposited 2007-06-05 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 49–162（114 aa）
Not recorded GOL GLYCEROL × 2 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.00 Å R-free 0.250
2Z3R Crystal structure of the IL-15/IL-15Ra complex Deposited 2007-06-05 Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain C 49–162（114 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.00 Å R-free 0.250
2Z3R Crystal structure of the IL-15/IL-15Ra complex Deposited 2007-06-05 Assembly 3 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain E 49–162（114 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.00 Å R-free 0.250
2Z3R Crystal structure of the IL-15/IL-15Ra complex Deposited 2007-06-05 Assembly 4 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain G 49–162（114 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.00 Å R-free 0.250
2Z3R Crystal structure of the IL-15/IL-15Ra complex Deposited 2007-06-05 Assembly 5 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain I 49–162（114 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.00 Å R-free 0.250
2Z3R Crystal structure of the IL-15/IL-15Ra complex Deposited 2007-06-05 Assembly 6 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain K 49–162（114 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.00 Å R-free 0.250
2Z3R Crystal structure of the IL-15/IL-15Ra complex Deposited 2007-06-05 Assembly 7 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain M 49–162（114 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.00 Å R-free 0.250
2Z3R Crystal structure of the IL-15/IL-15Ra complex Deposited 2007-06-05 Assembly 8 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain O 49–162（114 aa）
Not recorded GOL GLYCEROL × 2 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.00 Å R-free 0.250
4GS7 Structure of the Interleukin-15 quaternary complex Deposited 2012-08-27 Assembly 1 Other combination Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 49–162（114 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) EDO 1,2-ETHANEDIOL × 1 ACT ACETATE ION × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.75；298 K；22.5% PEG3350, 0.1M BIS-TRIS propane, 0.2M sodium acetate, pH 8.75, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 2.35 Å R-free 0.227

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.