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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：Q43291 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
Q43291 9h3g Large ribosomal subunit protein eL21z/eL21y Author chain AM Reference sequence 1–164 1 Protein–RNA Heteromer Protein 73 RNA 7 80-meric （80） Consistent with all polymers
Q43291 9h6i Large ribosomal subunit protein eL21z/eL21y Author chain AM Reference sequence 1–164 1 Protein–RNA Heteromer Protein 73 RNA 7 80-meric （80） Consistent with all polymers
Q43291 9hes Large ribosomal subunit protein eL21z/eL21y Author chain AM Reference sequence 1–164 1 Protein–RNA Heteromer Protein 73 RNA 7 80-meric （80） Consistent with all polymers
Q43291 9hmw Large ribosomal subunit protein eL21z/eL21y Author chain AM Reference sequence 1–164 1 Protein–RNA Heteromer Protein 73 RNA 7 80-meric （80） 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.