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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：Q9Y5X5 New Search
5PDB entries
5Biological assembly
6chain/assembly records
UNP PDB Protein and construct Assembly Composition class Protein state Molecular copy count PDB declaration Consistency status
Q9Y5X5 9jfy Isoform 2 of Neuropeptide FF receptor 2 Author chain R Reference sequence 9–420 1 Protein heterocomplex Heteromer Protein 6 hexameric （6） Consistent with protein count
Q9Y5X5 9jg0 Isoform 2 of Neuropeptide FF receptor 2,Soluble cytochrome b562 Author chain R Reference sequence 9–245 1 Insufficient information Heteromer Protein 4 tetrameric （4） Consistent with protein count
Q9Y5X5 9jg0 Isoform 2 of Neuropeptide FF receptor 2,Soluble cytochrome b562 Author chain R Reference sequence 267–420 1 Insufficient information Heteromer Protein 4 tetrameric （4） Consistent with protein count
Q9Y5X5 9m1o Soluble cytochrome b562,Neuropeptide FF receptor 2,Neuropeptide FF receptor 2 Author chain R Reference sequence 103–522 1 Protein heterocomplex Heteromer Protein 6 hexameric （6） Consistent with protein count
Q9Y5X5 9m54 Neuropeptide FF receptor 2 Author chain R Reference sequence 103–522 1 Protein heterocomplex Heteromer Protein 6 hexameric （6） Consistent with protein count
Q9Y5X5 9v1h Neuropeptide FF receptor 2 Author chain R Reference sequence 103–522 1 Protein heterocomplex Heteromer Protein 6 hexameric （6） Consistent with protein count

“Homomeric versus heteromeric classification follows protein identity; different constructs of the same UniProt entry still require comparison of reference-sequence ranges, mutations and missing segments. Assemblies marked for review remain visible but are not included in the highest-confidence candidate set.