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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：W5PPE8 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
W5PPE8 5j4z COMPLEX IV COX4 Author chain BD Reference sequence 26–169 1 Protein heterocomplex Heteromer Protein 89 74-meric （74） Review required
W5PPE8 5j7y COMPLEX IV COX4 Author chain BD Reference sequence 26–169 1 Protein heterocomplex Heteromer Protein 89 89-meric （89） Consistent with protein count

“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.