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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：Q9R1P0 New Search
6PDB entries
8Biological assembly
24chain/assembly records
UNP PDB Protein and construct Assembly Composition class Protein state Molecular copy count PDB declaration Consistency status
Q9R1P0 3unb Proteasome subunit alpha type-4 Author chain B Reference sequence 1–261 1 Protein heterocomplex Heteromer Protein 28 28-meric （28） Consistent with protein count
Q9R1P0 3unb Proteasome subunit alpha type-4 Author chain P Reference sequence 1–261 1 Protein heterocomplex Heteromer Protein 28 28-meric （28） Consistent with protein count
Q9R1P0 3unb Proteasome subunit alpha type-4 Author chain d Reference sequence 1–261 1 Protein heterocomplex Heteromer Protein 28 28-meric （28） Consistent with protein count
Q9R1P0 3unb Proteasome subunit alpha type-4 Author chain r Reference sequence 1–261 1 Protein heterocomplex Heteromer Protein 28 28-meric （28） Consistent with protein count
Q9R1P0 3unb Proteasome subunit alpha type-4 Author chain B Reference sequence 1–261 2 Protein heterocomplex Heteromer Protein 28 28-meric （28） Consistent with protein count
Q9R1P0 3unb Proteasome subunit alpha type-4 Author chain P Reference sequence 1–261 2 Protein heterocomplex Heteromer Protein 28 28-meric （28） Consistent with protein count
Q9R1P0 3unb Proteasome subunit alpha type-4 Author chain d Reference sequence 1–261 2 Protein heterocomplex Heteromer Protein 28 28-meric （28） Consistent with protein count
Q9R1P0 3unb Proteasome subunit alpha type-4 Author chain r Reference sequence 1–261 2 Protein heterocomplex Heteromer Protein 28 28-meric （28） Consistent with protein count
Q9R1P0 3une Proteasome subunit alpha type-4 Author chain B Reference sequence 1–261 1 Protein heterocomplex Heteromer Protein 28 28-meric （28） Consistent with protein count
Q9R1P0 3une Proteasome subunit alpha type-4 Author chain P Reference sequence 1–261 1 Protein heterocomplex Heteromer Protein 28 28-meric （28） Consistent with protein count
Q9R1P0 3une Proteasome subunit alpha type-4 Author chain d Reference sequence 1–261 1 Protein heterocomplex Heteromer Protein 28 28-meric （28） Consistent with protein count
Q9R1P0 3une Proteasome subunit alpha type-4 Author chain r Reference sequence 1–261 1 Protein heterocomplex Heteromer Protein 28 28-meric （28） Consistent with protein count
Q9R1P0 3une Proteasome subunit alpha type-4 Author chain B Reference sequence 1–261 2 Protein heterocomplex Heteromer Protein 28 28-meric （28） Consistent with protein count
Q9R1P0 3une Proteasome subunit alpha type-4 Author chain P Reference sequence 1–261 2 Protein heterocomplex Heteromer Protein 28 28-meric （28） Consistent with protein count
Q9R1P0 3une Proteasome subunit alpha type-4 Author chain d Reference sequence 1–261 2 Protein heterocomplex Heteromer Protein 28 28-meric （28） Consistent with protein count
Q9R1P0 3une Proteasome subunit alpha type-4 Author chain r Reference sequence 1–261 2 Protein heterocomplex Heteromer Protein 28 28-meric （28） Consistent with protein count
Q9R1P0 3unf Proteasome subunit alpha type-4 Author chain B Reference sequence 1–261 1 Protein heterocomplex Heteromer Protein 28 28-meric （28） Consistent with protein count
Q9R1P0 3unf Proteasome subunit alpha type-4 Author chain P Reference sequence 1–261 1 Protein heterocomplex Heteromer Protein 28 28-meric （28） Consistent with protein count
Q9R1P0 3unh Proteasome subunit alpha type-4 Author chain B Reference sequence 1–261 1 Protein heterocomplex Heteromer Protein 28 28-meric （28） Consistent with protein count
Q9R1P0 3unh Proteasome subunit alpha type-4 Author chain P Reference sequence 1–261 1 Protein heterocomplex Heteromer Protein 28 28-meric （28） Consistent with protein count
Q9R1P0 8ypk Proteasome subunit alpha type-4 Author chain O Reference sequence 1–261 1 Protein heterocomplex Heteromer Protein 28 28-meric （28） Consistent with protein count
Q9R1P0 8ypk Proteasome subunit alpha type-4 Author chain Z Reference sequence 1–261 1 Protein heterocomplex Heteromer Protein 28 28-meric （28） Consistent with protein count
Q9R1P0 8yvp Proteasome subunit alpha type-4 Author chain O Reference sequence 1–261 1 Protein heterocomplex Heteromer Protein 28 28-meric （28） Consistent with protein count
Q9R1P0 8yvp Proteasome subunit alpha type-4 Author chain Z Reference sequence 1–261 1 Protein heterocomplex Heteromer Protein 28 28-meric （28） 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.