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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：P79171 New Search
3PDB entries
4Biological assembly
7chain/assembly records
Main Difference Dimensions in This Set
Different construct 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
8JKT Crystal structure of feline aminopeptidase N ectodomain Deposited 2023-06-01 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–967（967 aa）
Chain C 1–967（967 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293.15 K；0.2M Sodium Thiocyanate pH 6.9, 20% w/v PEG 3350
Resolution 1.90 Å R-free 0.221
8JKT Crystal structure of feline aminopeptidase N ectodomain Deposited 2023-06-01 Assembly 2 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 1–967（967 aa）
Chain D 1–967（967 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293.15 K；0.2M Sodium Thiocyanate pH 6.9, 20% w/v PEG 3350
Resolution 1.90 Å R-free 0.221
9DAZ Molecular basis of pathogenicity of the recently emerged FCoV-23 coronavirus. Complex of fAPN with FCoV-23 RBD Deposited 2024-08-23 Assembly 1 Insufficient information Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 64–967（904 aa）
Chain C 64–967（904 aa）
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 ZN ZINC ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.50 Å
9UEP The structure of FIPV RBD and cat APN complex Deposited 2025-04-09 Assembly 1 Other combination Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain C 36–967（932 aa）
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 4 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.85 Å

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.