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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：Q9MYA2 New Search
2PDB entries
3Biological assembly
3chain/assembly records
Main Difference Dimensions in This Set
Different construct Different mutation/modification 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
3KYN Crystal structure of HLA-G presenting KGPPAALTL peptide Deposited 2009-12-06 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 26–299（274 aa） Fragment：residues in UNP 26-299
Mutation：C66S CO COBALT (II) ION × 1 CL CHLORIDE ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.8；277 K；18% PEG 3350, 0.2M potassium formate, 0.1M HEPES, 10mM cobalt chloride, pH 6.8, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 2.40 Å R-free 0.299
3KYO Crystal structure of HLA-G presenting KLPAQFYIL peptide Deposited 2009-12-06 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 26–298（273 aa） Fragment：residues in UNP 26-298
Mutation：C66S CO COBALT (II) ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.8；277 K；16% PEG 3350, 0.2M potassium formate, 0.1M HEPES, 10mM cobalt chloride, pH 6.8, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 1.70 Å R-free 0.226
3KYO Crystal structure of HLA-G presenting KLPAQFYIL peptide Deposited 2009-12-06 Assembly 2 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain C 26–298（273 aa） Fragment：residues in UNP 26-298
Mutation：C66S CO COBALT (II) ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.8；277 K；16% PEG 3350, 0.2M potassium formate, 0.1M HEPES, 10mM cobalt chloride, pH 6.8, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 1.70 Å R-free 0.226

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.