Fotosistem II
Fotosistem II (EC 1.10.3.9, fotosistem 2) je enzim sa sistematskim imenom H2O:plastohinon reduktaza (od svetla zavisna).[1][2] Ovaj enzim katalizuje sledeću hemijsku reakciju
| Fotosistem II | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Identifikatori | |||||||||
| EC broj | 1.10.3.9 | ||||||||
| Baze podataka | |||||||||
| IntEnz | IntEnz pregled | ||||||||
| BRENDA | BRENDA pristup | ||||||||
| ExPASy | NiceZyme pregled | ||||||||
| KEGG | KEGG pristup | ||||||||
| MetaCyc | metabolički put | ||||||||
| PRIAM | profil | ||||||||
| Strukture PBP | RCSB PDB PDBe PDBj PDBsum | ||||||||
| |||||||||
- 2H2O + 2 plastohinon + 4 hnu O2 + 2 plastohinol
Ovaj enzim sadrži hlorofil a, beta-karoten, feofitin, plastohinon, Mn4Ca klaster, hem i gvožđe koje nije vezano za hem.
Reference
уреди- ^ Knaff, D.B., Malkin, R., Myron, J.C. and Stoller, M. (1977). „The role of plastoquinone and β-carotene in the primary reaction of plant photosystem II”. Biochim. Biophys. Acta. 459: 402—411. PMID 849432.
- ^ Guskov, A., Kern, J., Gabdulkhakov, A., Broser, M., Zouni, A. and Saenger, W. (2009). „Cyanobacterial photosystem II at 2.9-Å resolution and the role of quinones, lipids, channels and chloride”. Nat. Struct. Mol. Biol. 16: 334—342. PMID 19219048.
Literatura
уреди- Nicholas C. Price; Lewis Stevens (1999). Fundamentals of Enzymology: The Cell and Molecular Biology of Catalytic Proteins (Third изд.). USA: Oxford University Press. ISBN 019850229X.
- Eric J. Toone (2006). Advances in Enzymology and Related Areas of Molecular Biology, Protein Evolution (Volume 75 изд.). 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 изд.). Wiley Classics Library. ISBN 0471303097.
Spoljašnje veze
уреди- Photosystem+II на US National Library of Medicine Medical Subject Headings (MeSH)
