Beta-amirinska sintaza
Beta-amirinska sintaza | |||||||||
---|---|---|---|---|---|---|---|---|---|
Identifikatori | |||||||||
EC broj | 5.4.99.39 | ||||||||
IntEnz | IntEnz view | ||||||||
BRENDA | BRENDA entry | ||||||||
ExPASy | NiceZyme view | ||||||||
KEGG | KEGG entry | ||||||||
MetaCyc | metabolic pathway | ||||||||
PRIAM | profile | ||||||||
PDB | RCSB PDB PDBe PDBj PDBsum | ||||||||
|
Beta-amirinska sintaza (EC 5.4.99.39, 2,3-oksidoskvalen beta-amirin ciklaza, AsbAS1, BPY, EtAS, GgbAS1, LjAMY1, MtAMY1, PNY, BgbAS) je enzim sa sistematskim imenom (3S)-2,3-epoksi-2,3-dihidroskvalen mutaza (ciklizacija, formira beta-amirin).[1][2][3][4][5][6][7][8][9][10][11] Ovaj enzim katalizuje sledeću hemijsku reakciju
- (3S)-2,3-epoksi-2,3-dihidroskvalen beta-amirin
Neki organizmi poseduju monofunkcionalnu beta-amirinsku sintazu.
Reference
- ↑ Abe, I, Ebizuka, Y., Seo, S. and Sankawa, U. (1989). „Purification of squalene-2,3-epoxide cyclases from cell suspension cultures of Rabdosia japonica' Hara”. FEBS Lett. 249: 100-104.
- ↑ Abe, I., Sankawa, U. and Ebizuka, Y. (1989). „Purification of 2,3-oxdosqualene:β-amyrin cyclase from pea seedlings”. Chem. Pharm. Bull. 37: 536-.
- ↑ Kushiro, T., Shibuya, M. and Ebizuka, Y. (1998). „β-Amyrin synthase-cloning of oxidosqualene cyclase that catalyzes the formation of the most popular triterpene among higher plants”. Eur. J. Biochem. 256: 238-244. PMID 9746369.
- ↑ Hayashi, H., Huang, P., Kirakosyan, A., Inoue, K., Hiraoka, N., Ikeshiro, Y., Kushiro, T., Shibuya, M. and Ebizuka, Y. (2001). „Cloning and characterization of a cDNA encoding β-amyrin synthase involved in glycyrrhizin and soyasaponin biosyntheses in licorice”. Biol. Pharm. Bull. 24: 912-916. PMID 11510484.
- ↑ Husselstein-Muller, T., Schaller, H. and Benveniste, P. (2001). „Molecular cloning and expression in yeast of 2,3-oxidosqualene-triterpenoid cyclases from Arabidopsis thaliana”. Plant Mol. Biol. 45: 75-92. PMID 11247608.
- ↑ Iturbe-Ormaetxe, I., Haralampidis, K., Papadopoulou, K. and Osbourn, A.E. (2003). „Molecular cloning and characterization of triterpene synthases from Medicago truncatula and Lotus japonicus”. Plant Mol. Biol. 51: 731-743. PMID 12683345.
- ↑ Zhang, H., Shibuya, M., Yokota, S. and Ebizuka, Y. (2003). „Oxidosqualene cyclases from cell suspension cultures of Betula platyphylla var. japonica: molecular evolution of oxidosqualene cyclases in higher plants”. Biol. Pharm. Bull. 26: 642-650. PMID 12736505.
- ↑ Hayashi, H., Huang, P., Takada, S., Obinata, M., Inoue, K., Shibuya, M. and Ebizuka, Y. (2004). „Differential expression of three oxidosqualene cyclase mRNAs in Glycyrrhiza glabra”. Biol. Pharm. Bull. 27: 1086-1092. PMID 15256745.
- ↑ Kajikawa, M., Yamato, K.T., Fukuzawa, H., Sakai, Y., Uchida, H. and Ohyama, K. (2005). „Cloning and characterization of a cDNA encoding β-amyrin synthase from petroleum plant Euphorbia tirucalli L”. Phytochemistry 66: 1759-1766. PMID 16005035.
- ↑ Basyuni, M., Oku, H., Tsujimoto, E., Kinjo, K., Baba, S. and Takara, K. (2007). „Triterpene synthases from the Okinawan mangrove tribe, Rhizophoraceae”. FEBS J. 274: 5028-5042. PMID 17803686.
- ↑ Liu, Y., Cai, Y., Zhao, Z., Wang, J., Li, J., Xin, W., Xia, G. and Xiang, F. (2009). „Cloning and functional analysis of a β-amyrin synthase gene associated with oleanolic acid biosynthesis in Gentiana straminea MAXIM”. Biol. Pharm. Bull. 32: 818-824. PMID 19420748.
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 Beta-amyrin+synthase
- p
- r
- u
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
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