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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：Q9D8V0 New Search
2PDB entries
2Biological assembly
2chain/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
1INQ Structure of Minor Histocompatibility Antigen peptide, H13a, complexed to H2-Db Deposited 2001-05-14 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain C 51–59（9 aa）
Not recorded DMS DIMETHYL SULFOXIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；290 K；12% PEG 4000, 0.1 M Hepes, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 290K
Resolution 2.20 Å R-free 0.258
1JUF Structure of Minor Histocompatibility Antigen peptide, H13b, complexed to H2-Db Deposited 2001-08-24 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain C 169–177（9 aa） Fragment：H13b nonamer peptide epitope
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；291 K；PEG 4000, Sodium Acetates, Hepes, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K
Resolution 2.00 Å R-free 0.242

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.