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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：Q9USH1 New Search
3PDB entries
3Biological assembly
3chain/assembly records
UNP PDB Protein and construct Assembly Composition class Protein state Molecular copy count PDB declaration Consistency status
Q9USH1 5n9j Mediator of RNA polymerase II transcription subunit 31 Author chain R Reference sequence 1–139 1 Protein heterocomplex Heteromer Protein 15 pentadecameric （15） Consistent with protein count
Q9USH1 5u0p Mediator complex subunit 31 Author chain 3 Reference sequence 1–139 1 Protein heterocomplex Heteromer Protein 16 hexadecameric （16） Consistent with protein count
Q9USH1 5u0s Mediator complex subunit 31 Author chain 3 Reference sequence 1–139 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.