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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：Q9HH80 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
Q9HH80 4v6u 50S ribosomal protein L18P Author chain BO Reference sequence 1–203 1 Protein–RNA Heteromer Protein 67 RNA 5 72-meric （72） Consistent with all polymers
Q9HH80 9qf4 Large ribosomal subunit protein uL18 Author chain BO Reference sequence 1–203 1 Protein–RNA Heteromer Protein 63 RNA 3 66-meric （66） Consistent with all polymers
Q9HH80 9qf5 Large ribosomal subunit protein uL18 Author chain BO Reference sequence 1–203 1 Protein–RNA Heteromer Protein 62 RNA 3 65-meric （65） Consistent with all polymers
Q9HH80 9qf6 Large ribosomal subunit protein uL18 Author chain BO Reference sequence 1–203 1 Protein–RNA Heteromer Protein 63 RNA 3 66-meric （66） 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.