Delta8-masna-kiselina desaturaza

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Delta8-masna-kiselina desaturaza (EC 1.14.19.4, Delta8-sfingolipidna desaturaza, EFD1, BoDES8, SLD, Delta8 masno kiselinska desaturaza, Delta8-desaturaza) je enzim sa sistematskim imenom fitosfinganin,vodonik donor:kiseonik Delta8-oksidoreduktaza.^[1]^[2]^[3]^[4] Ovaj enzim katalizuje sledeću hemijsku reakciju

fitosfinganin + redukovani akceptor + O₂

\rightleftharpoons

Delta8-fitosfingenin + akceptor + 2H₂O

Ovaj enzim je prisutan u mnogim biljkama. On uvodi dvostruku vezu u Delta8 kod C18 i C20 masnih kiselina.

Reference

↑ Wallis, J.G. and Browse, J. (1999). „The Δ⁸-desaturase of Euglena gracilis: an alternate pathway for synthesis of 20-carbon polyunsaturated fatty acids”. Arch. Biochem. Biophys. 365: 307-316. PMID 10328826.
↑ Sperling, P., Libisch, B., Zähringer, U., Napier, J.A. and Heinz, E. (2001). „Functional identification of a Δ⁸-sphingolipid desaturase from Borago officinalis”. Arch. Biochem. Biophys. 388: 293-298. PMID 11368168.
↑ Takakuwa, N., Kinoshita, M., Oda, Y. and Ohnishi, M. (2002). „Isolation and characterization of the genes encoding Δ⁸-sphingolipid desaturase from Saccharomyces kluyveri and Kluyveromyces lactis'”. Curr. Microbiol. 45: 459-461. PMID 12402089.
↑ Beckmann, C., Rattke, J., Oldham, N.J., Sperling, P., Heinz, E. and Boland, W. (2002). „Characterization of a Δ⁸-sphingolipid desaturase from higher plants: a stereochemical and mechanistic study on the origin of E,Z isomers”. Angew. Chem. Int. Ed. Engl. 41: 2298-2300. PMID 12203571.

Literatura

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.

Vanjske veze

MeSH Delta8-fatty-acid+desaturase

p r u Proteini: enzimi
Teme	Aktivno mesto • Alosterna regulacija • Mesto vezivanja • Katalitički perfektan enzim • Koenzim • Kofaktor • Kooperativnost • EC broj • Enzimska kataliza • Inhibicija enzima • Enzimska kinetika • Lajnviver–Burk dijagram • Mihaelis–Mentenova kinetika • Spisak enzima
Tipovi	EC1 Oksidoreduktaze/spisak • EC2 Transferaze/spisak • EC3 Hidrolaze/spisak • EC4 Lijaze/spisak • EC5 Izomeraze/spisak • EC6 Ligaze/spisak
B enzm: 1.1/2/3/4/5/6/7/8/10/11/13/14/15-18, 2.1/2/3/4/5/6/7/8, 2.7.10, 2.7.11-12, 3.1/2/3/4/5/6/7, 3.1.3.48, 3.4.21/22/23/24, 4.1/2/3/4/5/6, 5.1/2/3/4/99, 6.1-3/4/5-6

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