Пластохинол-пластоцијанин редуктаза
Plastohinol-plastocijanin reduktaza (EC 1.10.9.1, plastohinol/plastocijanin oksidoreduktaza, citohrom f/b6 kompleks, citohrom b6f kompleks) je enzim sa sistematskim imenom plastohinol:oksidovani-plastocijanin oksidoreduktaza.[1][2] Ovaj enzim katalizuje sledeću hemijsku reakciju:
| Plastohinol-plastocijanin reduktaza Citohrom b6f kompleks | |||||||||
|---|---|---|---|---|---|---|---|---|---|
 Kristalna struktura citohrom b6f kompleksa iz C. reinhardtii (1q90). Ugljovodonične granice lipidnog dvosloja su prikazane crvenim i plavim linijama (strana tilakoidnog i stromalnog prostora, respektivno). | |||||||||
| Identifikatori | |||||||||
| EC broj | 1.10.9.1 | ||||||||
| CAS broj | 79079-13-3 | ||||||||
| 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 | ||||||||
| |||||||||
- plastohinol + 2 oksidovani plastocijanin + 2 H+ [strana 1] plastohinon + 2 redukovani plastocijanin + 2 H+ [strana 2]
Ovaj enzim sadrži dva citohroma b-tipa, dva citohroma c-tipa (cn i f), i [2Fe-2S] Riskijev klaster.
Reference
уреди- ^ Hurt, E. & Hauska, G. (1981). „A cytochrome f/b6 complex of five polypeptides with plastoquinol-plastocyanin-oxidoreductase activity from spinach chloroplasts”. Eur. J. Biochem. 117: 591—595. PMID 6269845.
- ^ Cramer, W.A. & Zhang, H. (2006). „Consequences of the structure of the cytochrome b6f complex for its charge transfer pathways”. Biochim. Biophys. Acta. 1757: 339—345. PMID 16787635.
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.
- William P. Jencks (1987). Catalysis in Chemistry and Enzymology. Dover Publications. ISBN 0486654605.
Spoljašnje veze
уреди- Cytochrome+b6f+Complex на US National Library of Medicine Medical Subject Headings (MeSH)
- Structure-Function Studies of the Cytochrome b6f Complex Архивирано на сајту Wayback Machine (28. јул 2008) - Current research on cytochrome b6f in William Cramer's Lab at Purdue University, USA
- UMich orijentacija proteina u membranama families/superfamily-3 - Calculated positions of b6f and related complexes in membranes
