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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：C9WU77 New Search
3PDB entries
3Biological assembly
6chain/assembly records
UNP PDB Protein and construct Assembly Composition class Protein state Molecular copy count PDB declaration Consistency status
C9WU77 2xcf NS4A Author chain C Reference sequence 21–39 1 Protein heterocomplex Heteromer Protein 4 tetrameric （4） Consistent with protein count
C9WU77 2xcf NS4A Author chain D Reference sequence 21–39 1 Protein heterocomplex Heteromer Protein 4 tetrameric （4） Consistent with protein count
C9WU77 2xcn NS4A Author chain C Reference sequence 21–39 1 Protein heterocomplex Heteromer Protein 4 tetrameric （4） Consistent with protein count
C9WU77 2xcn NS4A Author chain D Reference sequence 21–39 1 Protein heterocomplex Heteromer Protein 4 tetrameric （4） Consistent with protein count
C9WU77 2xni NS4A COFACTOR Author chain C Reference sequence 21–39 1 Protein heterocomplex Heteromer Protein 4 tetrameric （4） Consistent with protein count
C9WU77 2xni NS4A COFACTOR Author chain D Reference sequence 21–39 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.