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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：P50890 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
P50890 8q7z Small ribosomal subunit protein uS2 Author chain AZ Reference sequence 2–296 1 Protein–RNA Heteromer Protein 75 RNA 5 80-meric （80） Consistent with all polymers
P50890 8q87 Small ribosomal subunit protein uS2 Author chain AZ Reference sequence 2–296 1 Protein–RNA Heteromer Protein 80 RNA 5 85-meric （85） 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.