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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：Q31PI7 New Search
2PDB entries
2Biological assembly
6chain/assembly records
UNP PDB Protein and construct Assembly Composition class Protein state Molecular copy count PDB declaration Consistency status
Q31PI7 6kif Photosystem I reaction center subunit II Author chain D Reference sequence 2–142 1 Protein heterocomplex Heteromer Protein 54 54-meric （54） Consistent with protein count
Q31PI7 6kif Photosystem I reaction center subunit II Author chain O Reference sequence 2–142 1 Protein heterocomplex Heteromer Protein 54 54-meric （54） Consistent with protein count
Q31PI7 6kif Photosystem I reaction center subunit II Author chain h Reference sequence 2–142 1 Protein heterocomplex Heteromer Protein 54 54-meric （54） Consistent with protein count
Q31PI7 6kig Photosystem I reaction center subunit II Author chain D Reference sequence 2–142 1 Protein heterocomplex Heteromer Protein 51 51-meric （51） Consistent with protein count
Q31PI7 6kig Photosystem I reaction center subunit II Author chain O Reference sequence 2–142 1 Protein heterocomplex Heteromer Protein 51 51-meric （51） Consistent with protein count
Q31PI7 6kig Photosystem I reaction center subunit II Author chain h Reference sequence 2–142 1 Protein heterocomplex Heteromer Protein 51 51-meric （51） 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.