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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：P43628 New Search
3PDB entries
3Biological assembly
3chain/assembly records
Main Difference Dimensions in This Set
Different construct Different mutation/modification Different assembly state 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
1B6U CRYSTAL STRUCTURE OF THE HUMAN KILLER CELL INHIBITORY RECEPTOR (KIR2DL3) SPECIFIC FOR HLA-CW3 RELATED ALLELES Deposited 1999-01-18 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 22–245（224 aa） Fragment：EXTRACELLULAR REGION
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions pH 7.5；pH 7.5
Resolution 3.00 Å R-free 0.320
6PAG Killer cell immunoglobulin-like receptor 2DL3 in complex with HLA-C*07:02 Deposited 2019-06-11 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain D 22–225（204 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8；293 K；0.2 M Ammonium acetate, 0.1 M Tris-HCl pH.8.0 and 25% PEG 3350.
Resolution 2.50 Å R-free 0.254
8TUI Crystal structure of Fab-Lirilumab bound to KIR2DL3 Deposited 2023-08-16 Assembly 1 Other combination Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 22–245（224 aa） Fragment：extracellular domain
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；295 K；200 mM Potassium Sodium Tartrate and 20%(w/v) PEG 3350
Resolution 2.75 Å R-free 0.254

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.