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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：Q6J661 New Search
2PDB entries
3Biological assembly
5chain/assembly records
Main Difference Dimensions in This Set
Different construct 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
7EQX Crystal structure of an Aedes aegypti procarboxypeptidase B1 Deposited 2021-05-05 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 19–113（95 aa） Fragment：Pro-region
Chain C 114–412（299 aa） Fragment：Mature region
Not recorded ZN ZINC ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293 K；0.2M Ammonium sulphate, 0.1M sodium cacodylate trihydrate pH 6.5, 30% w/v PEG 8000
Resolution 2.08 Å R-free 0.198
7EQX Crystal structure of an Aedes aegypti procarboxypeptidase B1 Deposited 2021-05-05 Assembly 2 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 19–113（95 aa） Fragment：Pro-region
Chain D 114–412（299 aa） Fragment：Mature region
Not recorded ZN ZINC ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293 K；0.2M Ammonium sulphate, 0.1M sodium cacodylate trihydrate pH 6.5, 30% w/v PEG 8000
Resolution 2.08 Å R-free 0.198
7EQZ Crystal structure of Carboxypeptidase B complexed with Potato Carboxypeptidase Inhibitor Deposited 2021-05-05 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 114–412（299 aa） Fragment：Mature region
Not recorded ZN ZINC ION × 1 GLY GLYCINE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；298 K；1.6M Ammonium sulfate, 0.1M Sodium HEPES pH 7.5, 0.1M Sodium chloride
Resolution 2.20 Å R-free 0.196

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.