Fotosistem I
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| Fotosistem I | |||||||||
|---|---|---|---|---|---|---|---|---|---|
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| Identifikatori | |||||||||
| EC broj | 1.97.1.12 | ||||||||
| IntEnz | IntEnz view | ||||||||
| BRENDA | BRENDA entry | ||||||||
| ExPASy | NiceZyme view | ||||||||
| KEGG | KEGG entry | ||||||||
| MetaCyc | metabolic pathway | ||||||||
| PRIAM | profile | ||||||||
| PDB | RCSB PDB PDBe PDBj PDBsum | ||||||||
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Fotosistem I (EC 1.97.1.12, Photosystem I) je enzim sa sistematskim imenom plastocijanin:feredoksin oksidoreduktaza (zavisna od svetla).[1][2][3][4] Ovaj enzim katalizuje sledeću hemijsku reakciju
- redukovani plastocijanin + oksidovani feredoksin + hnu oksidovani plastocijanin + redukovani feredoksin
Ovaj enzim sadrži hlorofil, filohinone, karotenoide i [4Fe-4S] klustere. Citohrom c6 može da deluje kao alternativni elektronski donor.
Reference[uredi | uredi kod]
- ↑ Takabe, T., Iwasaki, Y., Hibino, T. and Ando, T. (1991). „Subunit composition of photosystem I complex that catalyzes light-dependent transfer of electrons from plastocyanin to ferredoxin”. J. Biochem. 110: 622-627. PMID 1778985.
- ↑ van Thor, J.J., Geerlings, T.H., Matthijs, H.C. and Hellingwerf, K.J. (1999). „Kinetic evidence for the PsaE-dependent transient ternary complex photosystem I/Ferredoxin/Ferredoxin:NADP+ reductase in a cyanobacterium”. Biochemistry 38: 12735-12746. PMID 10504244.
- ↑ Chitnis, P.R. (2001). „Photosystem I: function and physiology”. Annu. Rev. Plant Physiol. Plant Mol. Biol. 52: 593-626. PMID 11337410.
- ↑ Amunts, A., Toporik, H., Borovikova, A. and Nelson, N. (2010). „Structure determination and improved model of plant photosystem I”. J. Biol. Chem. 285: 3478-3486. PMID 19923216.
Literatura[uredi | uredi kod]
- Nicholas C. Price, Lewis Stevens (1999). Fundamentals of Enzymology: The Cell and Molecular Biology of Catalytic Proteins (Third izd.). USA: Oxford University Press. ISBN 019850229X.
- Eric J. Toone (2006). Advances in Enzymology and Related Areas of Molecular Biology, Protein Evolution (Volume 75 izd.). Wiley-Interscience. ISBN 0471205036.
- Branden C, Tooze J.. Introduction to Protein Structure. New York, NY: Garland Publishing. ISBN: 0-8153-2305-0.
- Irwin H. Segel. Enzyme Kinetics: Behavior and Analysis of Rapid Equilibrium and Steady-State Enzyme Systems (Book 44 izd.). Wiley Classics Library. ISBN 0471303097.
- Robert A. Copeland (2013). Evaluation of Enzyme Inhibitors in Drug Discovery: A Guide for Medicinal Chemists and Pharmacologists (2nd izd.). Wiley-Interscience. ISBN 111848813X.
- Gerhard Michal, Dietmar Schomburg (2012). Biochemical Pathways: An Atlas of Biochemistry and Molecular Biology (2nd izd.). Wiley. ISBN 0470146842.