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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：Q2YXM4 New Search
2PDB entries
2Biological assembly
3chain/assembly records
UNP PDB Protein and construct Assembly Composition class Protein state Molecular copy count PDB declaration Consistency status
Q2YXM4 6fxc 50S ribosomal protein L19 Author chain AN Reference sequence 2–115 1 Protein–RNA Heteromer Protein 98 RNA 6 104-meric （104） Consistent with all polymers
Q2YXM4 6fxc 50S ribosomal protein L19 Author chain BN Reference sequence 2–115 1 Protein–RNA Heteromer Protein 98 RNA 6 104-meric （104） Consistent with all polymers
Q2YXM4 6hma 50S ribosomal protein L19 Author chain N Reference sequence 1–116 1 Protein–RNA Heteromer Protein 27 RNA 2 29-meric （29） 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.