Demetilmenahinon metiltransferaza
Demetilmenahinon metiltransferaza (EC 2.1.1.163, S-adenozil-L-metion---DMK metiltransferaza, demetilmenahinon C-metilaza, 2-heptaprenil-1,4-naftohinon metiltransferaza, 2-demetilmenahinon metiltransferaza, S-adenozil-L-metion:2-demetilmenahinon metiltransferaza) je enzim sa sistematskim imenom S-adenozil-L-metion:demetilmenahinon metiltransferaza.[1][2][3][4] Ovaj enzim katalizuje sledeću hemijsku reakciju
- demetilmenahinol + S-adenozil-L-metionin menahinol + S-adenozil-L-homocistein
Ovaj enzim katalizuje zadnji korak menahinonske biosinteza.
Reference
- ↑ Koike-Takeshita, A., Koyama, T. and Ogura, K. (1997). „Identification of a novel gene cluster participating in menaquinone (vitamin K2) biosynthesis. Cloning and sequence determination of the 2-heptaprenyl-1,4-naphthoquinone methyltransferase gene of Bacillus stearothermophilus”. J. Biol. Chem. 272: 12380-12383. PMID 9139683.
- ↑ Wissenbach, U., Ternes, D. and Unden, G. (1992). „An Escherichia coli mutant containing only demethylmenaquinone, but no menaquinone: effects on fumarate, dimethylsulfoxide, trimethylamine N-oxide and nitrate respiration”. Arch. Microbiol. 158: 68-73. PMID 1444716.
- ↑ Catala, F., Azerad, R. and Lederer, E. (1970). „Sur les propriétés de la desméthylménaquinone C-méthylase de Mycobacterium phlei”. Int. Z. Vitaminforsch. 40: 363-373. PMID 5450997.
- ↑ Lee, P.T., Hsu, A.Y., Ha, H.T. and Clarke, C.F. (1997). „A C-methyltransferase involved in both ubiquinone and menaquinone biosynthesis: isolation and identification of the Escherichia coli ubiE gene”. J. Bacteriol. 179: 1748-1754. PMID 9045837.
Literatura
Vanjske veze
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