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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：P0A423 New Search
16PDB entries
18Biological assembly
40chain/assembly records
UNP PDB Protein and construct Assembly Composition class Protein state Molecular copy count PDB declaration Consistency status
P0A423 3pcq Photosystem I reaction center subunit IV Author chain E Reference sequence 2–76 1 Protein heterocomplex Heteromer Protein 36 36-meric （36） Consistent with protein count
P0A423 4fe1 Photosystem I reaction center subunit IV Author chain E Reference sequence 2–76 1 Protein heterocomplex Heteromer Protein 36 36-meric （36） Consistent with protein count
P0A423 4fe1 Photosystem I reaction center subunit IV Author chain E Reference sequence 2–76 2 Protein heterocomplex Heteromer Protein 33 33-meric （33） Consistent with protein count
P0A423 5zf0 Photosystem I reaction center subunit IV Author chain E1 Reference sequence 2–76 1 Protein heterocomplex Heteromer Protein 39 39-meric （39） Consistent with protein count
P0A423 5zf0 Photosystem I reaction center subunit IV Author chain E2 Reference sequence 2–76 1 Protein heterocomplex Heteromer Protein 39 39-meric （39） Consistent with protein count
P0A423 5zf0 Photosystem I reaction center subunit IV Author chain E3 Reference sequence 2–76 1 Protein heterocomplex Heteromer Protein 39 39-meric （39） Consistent with protein count
P0A423 5zf0 Photosystem I reaction center subunit IV Author chain E4 Reference sequence 2–76 1 Protein heterocomplex Heteromer Protein 39 39-meric （39） Consistent with protein count
P0A423 5zf0 Photosystem I reaction center subunit IV Author chain E5 Reference sequence 2–76 1 Protein heterocomplex Heteromer Protein 39 39-meric （39） Consistent with protein count
P0A423 5zf0 Photosystem I reaction center subunit IV Author chain E6 Reference sequence 2–76 1 Protein heterocomplex Heteromer Protein 39 39-meric （39） Consistent with protein count
P0A423 5zf0 Photosystem I reaction center subunit IV Author chain E1 Reference sequence 2–76 2 Protein heterocomplex Heteromer Protein 39 39-meric （39） Consistent with protein count
P0A423 5zf0 Photosystem I reaction center subunit IV Author chain E2 Reference sequence 2–76 2 Protein heterocomplex Heteromer Protein 39 39-meric （39） Consistent with protein count
P0A423 5zf0 Photosystem I reaction center subunit IV Author chain E3 Reference sequence 2–76 2 Protein heterocomplex Heteromer Protein 39 39-meric （39） Consistent with protein count
P0A423 5zf0 Photosystem I reaction center subunit IV Author chain E4 Reference sequence 2–76 2 Protein heterocomplex Heteromer Protein 39 39-meric （39） Consistent with protein count
P0A423 5zf0 Photosystem I reaction center subunit IV Author chain E5 Reference sequence 2–76 2 Protein heterocomplex Heteromer Protein 39 39-meric （39） Consistent with protein count
P0A423 5zf0 Photosystem I reaction center subunit IV Author chain E6 Reference sequence 2–76 2 Protein heterocomplex Heteromer Protein 39 39-meric （39） Consistent with protein count
P0A423 6lu1 Photosystem I reaction center subunit IV Author chain E Reference sequence 1–76 1 Protein heterocomplex Heteromer Protein 10 decameric （10） Consistent with protein count
P0A423 6pfy Photosystem I reaction center subunit IV Author chain E Reference sequence 1–76 1 Protein heterocomplex Heteromer Protein 36 36-meric （36） Consistent with protein count
P0A423 6pfy Photosystem I reaction center subunit IV Author chain P Reference sequence 1–76 1 Protein heterocomplex Heteromer Protein 36 36-meric （36） Consistent with protein count
P0A423 6pfy Photosystem I reaction center subunit IV Author chain c Reference sequence 1–76 1 Protein heterocomplex Heteromer Protein 36 36-meric （36） Consistent with protein count
P0A423 6pgk Photosystem I reaction center subunit IV Author chain E Reference sequence 1–76 1 Protein heterocomplex Heteromer Protein 36 36-meric （36） Consistent with protein count
P0A423 6pgk Photosystem I reaction center subunit IV Author chain P Reference sequence 1–76 1 Protein heterocomplex Heteromer Protein 36 36-meric （36） Consistent with protein count
P0A423 6pgk Photosystem I reaction center subunit IV Author chain c Reference sequence 1–76 1 Protein heterocomplex Heteromer Protein 36 36-meric （36） Consistent with protein count
P0A423 6tra Photosystem I reaction center subunit IV Author chain E Reference sequence 1–76 1 Protein heterocomplex Heteromer Protein 12 dodecameric （12） Consistent with protein count
P0A423 6trc Photosystem I reaction center subunit IV Author chain 5 Reference sequence 1–76 1 Protein heterocomplex Heteromer Protein 36 36-meric （36） Consistent with protein count
P0A423 6trc Photosystem I reaction center subunit IV Author chain E Reference sequence 1–76 1 Protein heterocomplex Heteromer Protein 36 36-meric （36） Consistent with protein count
P0A423 6trc Photosystem I reaction center subunit IV Author chain e Reference sequence 1–76 1 Protein heterocomplex Heteromer Protein 36 36-meric （36） Consistent with protein count
P0A423 6trd Photosystem I reaction center subunit IV Author chain 5 Reference sequence 1–76 1 Protein heterocomplex Heteromer Protein 36 36-meric （36） Consistent with protein count
P0A423 6trd Photosystem I reaction center subunit IV Author chain E Reference sequence 1–76 1 Protein heterocomplex Heteromer Protein 36 36-meric （36） Consistent with protein count
P0A423 6trd Photosystem I reaction center subunit IV Author chain e Reference sequence 1–76 1 Protein heterocomplex Heteromer Protein 36 36-meric （36） Consistent with protein count
P0A423 7bw2 Photosystem I reaction center subunit IV Author chain E Reference sequence 1–76 1 Protein heterocomplex Heteromer Protein 12 dodecameric （12） Consistent with protein count
P0A423 7fix Photosystem I reaction center subunit IV Author chain E1 Reference sequence 1–76 1 Protein heterocomplex Heteromer Protein 39 39-meric （39） Consistent with protein count
P0A423 7fix Photosystem I reaction center subunit IV Author chain E2 Reference sequence 1–76 1 Protein heterocomplex Heteromer Protein 39 39-meric （39） Consistent with protein count
P0A423 7fix Photosystem I reaction center subunit IV Author chain E3 Reference sequence 1–76 1 Protein heterocomplex Heteromer Protein 39 39-meric （39） Consistent with protein count
P0A423 7m75 Photosystem I reaction center subunit IV Author chain E Reference sequence 2–76 1 Protein heterocomplex Heteromer Protein 12 dodecameric （12） Consistent with protein count
P0A423 7m76 Photosystem I reaction center subunit IV Author chain E Reference sequence 2–76 1 Protein heterocomplex Heteromer Protein 12 dodecameric （12） Consistent with protein count
P0A423 7m78 Photosystem I reaction center subunit IV Author chain E Reference sequence 2–76 1 Protein heterocomplex Heteromer Protein 12 dodecameric （12） Consistent with protein count
P0A423 9lzj Photosystem I reaction center subunit IV Author chain aE Reference sequence 1–76 1 Protein heterocomplex Heteromer Protein 79 79-meric （79） Consistent with protein count
P0A423 9lzj Photosystem I reaction center subunit IV Author chain bE Reference sequence 1–76 1 Protein heterocomplex Heteromer Protein 79 79-meric （79） Consistent with protein count
P0A423 9lzj Photosystem I reaction center subunit IV Author chain cE Reference sequence 1–76 1 Protein heterocomplex Heteromer Protein 79 79-meric （79） Consistent with protein count
P0A423 9lzk Photosystem I reaction center subunit IV Author chain E Reference sequence 1–76 1 Protein heterocomplex Heteromer Protein 24 24-meric （24） 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.