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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：Q875M3 New Search
4PDB entries
4Biological assembly
4chain/assembly records
UNP PDB Protein and construct Assembly Composition class Protein state Molecular copy count PDB declaration Consistency status
Q875M3 5it7 RPS23 Author chain X Reference sequence 1–145 1 Other combination Heteromer Protein 78 DNA 2 RNA 3 83-meric （83） Consistent with all polymers
Q875M3 5it9 Ribosomal protein uS21 Author chain X Reference sequence 1–145 1 Protein–RNA Heteromer Protein 33 RNA 2 35-meric （35） Consistent with all polymers
Q875M3 6gsn RPS23 Author chain X Reference sequence 2–145 1 Protein–RNA Heteromer Protein 44 RNA 3 47-meric （47） Consistent with all polymers
Q875M3 6uz7 RPS23 Author chain X Reference sequence 1–145 1 Protein–RNA Heteromer Protein 78 RNA 5 83-meric （83） Consistent with all polymers

“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.