The Enzyme Database

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EC 1.97.1.12     
Accepted name: photosystem I
Reaction: reduced plastocyanin + oxidized ferredoxin + = oxidized plastocyanin + reduced ferredoxin
Systematic name: plastocyanin:ferredoxin oxidoreductase (light-dependent)
Comments: Contains chlorophyll, phylloquinones, carotenoids and [4Fe-4S] clusters. Cytochrome c6 can act as an alternative electron donor, and flavodoxin as an alternative acceptor in some species.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
References:
1.  Takabe, T., Iwasaki, Y., Hibino, T. and Ando, T. Subunit composition of photosystem I complex that catalyzes light-dependent transfer of electrons from plastocyanin to ferredoxin. J. Biochem. 110 (1991) 622–627. [PMID: 1778985]
2.  van Thor, J.J., Geerlings, T.H., Matthijs, H.C. and Hellingwerf, K.J. Kinetic evidence for the PsaE-dependent transient ternary complex photosystem I/Ferredoxin/Ferredoxin:NADP+ reductase in a cyanobacterium. Biochemistry 38 (1999) 12735–12746. [PMID: 10504244]
3.  Chitnis, P.R. Photosystem I: function and physiology. Annu. Rev. Plant Physiol. Plant Mol. Biol. 52 (2001) 593–626. [PMID: 11337410]
4.  Amunts, A., Toporik, H., Borovikova, A. and Nelson, N. Structure determination and improved model of plant photosystem I. J. Biol. Chem. 285 (2010) 3478–3486. [PMID: 19923216]
[EC 1.97.1.12 created 2011]
 
 


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