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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：Q9SPI9 New Search
6PDB entries
6Biological assembly
10chain/assembly records
UNP PDB Protein and construct Assembly Composition class Protein state Molecular copy count PDB declaration Consistency status
Q9SPI9 6kac Photosystem II reaction center W protein, chloroplastic Author chain W Reference sequence 1–115 1 Protein heterocomplex Heteromer Protein 56 56-meric （56） Consistent with protein count
Q9SPI9 6kac Photosystem II reaction center W protein, chloroplastic Author chain w Reference sequence 1–115 1 Protein heterocomplex Heteromer Protein 56 56-meric （56） Consistent with protein count
Q9SPI9 6kad Photosystem II reaction center W protein, chloroplastic Author chain W Reference sequence 1–115 1 Protein heterocomplex Heteromer Protein 58 58-meric （58） Consistent with protein count
Q9SPI9 6kad Photosystem II reaction center W protein, chloroplastic Author chain w Reference sequence 1–115 1 Protein heterocomplex Heteromer Protein 58 58-meric （58） Consistent with protein count
Q9SPI9 6kaf Photosystem II reaction center W protein, chloroplastic Author chain W Reference sequence 1–115 1 Protein heterocomplex Heteromer Protein 58 58-meric （58） Consistent with protein count
Q9SPI9 6kaf Photosystem II reaction center W protein, chloroplastic Author chain w Reference sequence 1–115 1 Protein heterocomplex Heteromer Protein 58 58-meric （58） Consistent with protein count
Q9SPI9 9hei Photosystem II reaction center W protein, chloroplastic Author chain W Reference sequence 60–103 1 Protein heterocomplex Heteromer Protein 21 21-meric （21） Consistent with protein count
Q9SPI9 9imn Photosystem II reaction center W protein, chloroplastic Author chain W Reference sequence 79–97 1 Protein heterocomplex Heteromer Protein 34 34-meric （34） Consistent with protein count
Q9SPI9 9imn Photosystem II reaction center W protein, chloroplastic Author chain w Reference sequence 79–97 1 Protein heterocomplex Heteromer Protein 34 34-meric （34） Consistent with protein count
Q9SPI9 9is4 Photosystem II reaction center W protein, chloroplastic Author chain W Reference sequence 60–115 1 Protein heterocomplex Heteromer Protein 38 38-meric （38） 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.