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Literature summary extracted from

  • Takabe, T.; Iwasaki, Y.; Hibino, T.; Ando, T.
    Subunit composition of photosystem I complex that catalyzes light-dependent transfer of electrons from plastocyanin to ferredoxin (1991), J. Biochem., 110, 622-627.
    View publication on PubMed

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
1.97.1.12 reduced plastocyanin + oxidized ferredoxin + hv Cucumis sativus
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 oxidized plastocyanin + reduced ferredoxin
-
 ?

Organism

EC Number Organism UniProt Comment Textmining
1.97.1.12 Cucumis sativus P42048 photosystem I reaction center subunit III, plastocyanin-docking protein
-

Source Tissue

EC Number Source Tissue Comment Organism Textmining
1.97.1.12 cotyledon
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 Cucumis sativus
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Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1.97.1.12 reduced plastocyanin + oxidized ferredoxin + hv
-
 Cucumis sativus oxidized plastocyanin + reduced ferredoxin
-
 ?

Subunits

EC Number Subunits Comment Organism
1.97.1.12 More the PSI core complex prepared from cucumber cotyledons contains 80 chlorophylls per reaction center (P700) and eight polypeptides with apparent molecular masses of 65/63, 20,19.5,18.5,17.5,7.6, and 5.8 kDa. The amount of 18.5 kDa polypeptide in the PSI complex affects the activity. When this polypeptide is largely depleted, the complex is almost inactive. The inactivation is due to inhibition of electron transfer from plastocyanin to photooxidized P700. Chemical cross-linking and N-terminal amino acid sequencing experiments indicate that the 18.5-kDa polypeptide is the plastocyanin-docking protein and the psaF gene product Cucumis sativus

Synonyms

EC Number Synonyms Comment Organism
1.97.1.12 PSI core complex
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 Cucumis sativus