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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：P48052 New Search
3PDB entries
3Biological assembly
3chain/assembly records
Main Difference Dimensions in This Set
Different construct Different mutation/modification Different assembly state Different ligand/ion Different experimental method 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
1AYE HUMAN PROCARBOXYPEPTIDASE A2 Deposited 1997-11-03 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 17–417（401 aa）
Not recorded ZN ZINC ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions pH 8；pH 8.0
Resolution 1.80 Å R-free 0.222
1DTD CRYSTAL STRUCTURE OF THE COMPLEX BETWEEN THE LEECH CARBOXYPEPTIDASE INHIBITOR AND THE HUMAN CARBOXYPEPTIDASE A2 (LCI-CPA2) Deposited 2000-01-12 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 116–417（302 aa）
Not recorded ZN ZINC ION × 1 GLU GLUTAMIC ACID × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 7.5；298 K；ammonium phosphate, sodium citrate, pH 7.5, VAPOR DIFFUSION, temperature 298.0K
Resolution 1.65 Å R-free 0.234
1O6X NMR solution structure of the activation domain of human procarboxypeptidase A2 Deposited 2002-10-17 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 17–94（78 aa） Fragment：ACTIVATION DOMAIN, RESIDUES 17-94
Not recorded No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 7；298 K；Ionic strength (raw mmCIF value) 50MM PHOSPHATE
Resolution not provided

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.