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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：P77921 New Search
5PDB entries
5Biological assembly
5chain/assembly records
UNP PDB Protein and construct Assembly Composition class Protein state Molecular copy count PDB declaration Consistency status
P77921 1qle CCYTOCHROME C OXIDASE Author chain D Reference sequence 8–50 1 Protein heterocomplex Heteromer Protein 6 hexameric （6） Consistent with protein count
P77921 7ate Cytochrome c oxidase subunit 4 Author chain D Reference sequence 1–50 1 Protein heterocomplex Heteromer Protein 4 tetrameric （4） Consistent with protein count
P77921 7atn Cytochrome c oxidase subunit 4 Author chain D Reference sequence 1–50 1 Protein heterocomplex Heteromer Protein 4 tetrameric （4） Consistent with protein count
P77921 7au3 Cytochrome c oxidase subunit 4 Author chain D Reference sequence 1–50 1 Protein heterocomplex Heteromer Protein 4 tetrameric （4） Consistent with protein count
P77921 7au6 Cytochrome c oxidase subunit 4 Author chain D Reference sequence 1–50 1 Protein heterocomplex Heteromer Protein 4 tetrameric （4） 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.