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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：A0A222AI55 New Search
3PDB entries
3Biological assembly
3chain/assembly records
UNP PDB Protein and construct Assembly Composition class Protein state Molecular copy count PDB declaration Consistency status
A0A222AI55 7y7b Photosystem I reaction center subunit IX Author chain J Reference sequence 1–42 1 Protein heterocomplex Heteromer Protein 29 29-meric （29） Consistent with protein count
A0A222AI55 7y8a Photosystem I reaction center subunit IX Author chain J Reference sequence 1–42 1 Protein heterocomplex Heteromer Protein 26 26-meric （26） Consistent with protein count
A0A222AI55 9wyp Photosystem I reaction center subunit IX Author chain J Reference sequence 1–42 1 Protein heterocomplex Heteromer Protein 29 29-meric （29） 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.