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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：P01303 New Search
10PDB entries
10Biological assembly
10chain/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
1QFA STRUCTURE OF A NEUROPEPTIDE Y Y2 AGONIST Deposited 1999-04-08 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 52–64（13 aa） Fragment：NPY Y2 RECEPTOR AGONIST
Mutation：I28L, I31L Non-standard monomer：Yes (specific site not provided by mmCIF) No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 3.6；293 K；Pressure 1
NMR sample composition 40% TFE-D3,60% WATER
Resolution not provided
1RON NMR SOLUTION STRUCTURE OF HUMAN NEUROPEPTIDE Y Deposited 1996-01-11 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 29–64（36 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 3.2；310 K
Resolution not provided
7RTA Crystal structures of human PYY and NPY Deposited 2021-08-12 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain N 29–64（36 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) SO4 SULFATE ION × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；Protein complex (~4 mg/mL with respect to Fab, NPY:Fab at molar ratio of 1.4:1, all dissolved in 25 mM Tris (pH 7.5), 100 mM NaCl) was combined to an equal volume (2 uL) of well solution comprising 200 mM Li2SO4, 100 mM sodium acetate (pH 4.5), 22% (w/v) PEG1000
Resolution 2.60 Å R-free 0.270
7VGX Neuropeptide Y Y1 Receptor (NPY1R) in Complex with G Protein and its endogeneous Peptide-Agonist Neuropeptide Y (NPY) Deposited 2021-09-19 Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain L 29–64（36 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE；blot for 5 seconds before plunging
Resolution 3.20 Å
7X9A Cryo-EM structure of neuropeptide Y Y1 receptor in complex with NPY and Gi Deposited 2022-03-15 Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain P 29–64（36 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.20 Å
7X9B Cryo-EM structure of neuropeptide Y Y2 receptor in complex with NPY and Gi Deposited 2022-03-15 Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain P 29–64（36 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
7YOO Complex structure of Neuropeptide Y Y2 receptor in complex with NPY and Gi Deposited 2022-08-01 Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain L 29–64（36 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.11 Å
8K6M Structural complex of neuropeptide Y receptor 1 Deposited 2023-07-25 Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain E 29–64（36 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 Å
8K6N Structural complex of neuropeptide Y receptor 2 Deposited 2023-07-25 Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain D 29–64（36 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.20 Å
8K6O Structural complex of neuropeptide Y receptor 1 Deposited 2023-07-25 Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain E 29–64（36 aa）
Mutation：I31L,Q34P No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 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.