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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：S4Z268 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
S4Z268 7eu3 NAD(P)H-quinone oxidoreductase subunit 2, chloroplastic Author chain B Reference sequence 28–510 1 Protein heterocomplex Heteromer Protein 25 25-meric （25） Consistent with protein count
S4Z268 7f9o NAD(P)H-quinone oxidoreductase subunit 2, chloroplastic Author chain M Reference sequence 28–510 1 Protein heterocomplex Heteromer Protein 55 55-meric （55） 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.