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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：C9QXP2 New Search
2PDB entries
2Biological assembly
2chain/assembly records
UNP PDB Protein and construct Assembly Composition class Protein state Molecular copy count PDB declaration Consistency status
C9QXP2 3j8g 50S ribosomal protein L13 Author chain J Reference sequence 1–142 1 Protein–RNA Heteromer Protein 30 RNA 2 32-meric （32） Consistent with all polymers
C9QXP2 4v6v 50S ribosomal protein L13 Author chain BN Reference sequence 1–142 1 Protein–RNA Heteromer Protein 53 RNA 5 58-meric （58） 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.