The Enzyme Database

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EC 1.14.13.38     
Accepted name: anhydrotetracycline 6-monooxygenase
Reaction: anhydrotetracycline + NADPH + H+ + O2 = 12-dehydrotetracycline + NADP+ + H2O
For diagram of tetracycline biosynthesis, click here
Glossary: anhydrotetracycline = (4S,4aS,12aS)-4-(dimethylamino)-3,10,11,12a-tetrahydroxy-6-methyl-1,12-dioxo-1,4,4a,5,12,12a-hexahydrotetracene-2-carboxamide
12-dehydrotetracycline = (4S,4aS,6S,12aS)-4-(dimethylamino)-3,6,10,12a-tetrahydroxy-6-methyl-1,11,12-trioxo-1,4,4a,5,6,11,12,12a-octahydrotetracene-2-carboxamide
Other name(s): ATC oxygenase; anhydrotetracycline oxygenase; oxyS (gene name); anhydrotetracycline monooxygenase
Systematic name: anhydrotetracycline,NADPH:oxygen oxidoreductase (6-hydroxylating)
Comments: The enzyme, characterized from the bacterium Streptomyces rimosus, participates in the biosynthesis of tetracycline antibiotics. It can also catalyse EC 1.14.13.234, 12-dehydrotetracycline 5-monooxygenase.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, CAS registry number: 70766-62-0
References:
1.  Behal, V., Hostalek, Z. and Vanek, Z. Anhydrotetracycline oxygenase activity and biosynthesis of tetracyclines in streptomyces aureofaciens. Biotechnol. Lett. 1 (1979) 177–182.
2.  Binnie, C., Warren, M. and Butler, M.J. Cloning and heterologous expression in Streptomyces lividans of Streptomyces rimosus genes involved in oxytetracycline biosynthesis. J. Bacteriol. 171 (1989) 887–895. [PMID: 2914874]
3.  Vancurova, I., Volc, J., Flieger, M., Neuzil, J., Novotna, J., Vlach, J. and Behal, V. Isolation of pure anhydrotetracycline oxygenase from Streptomyces aureofaciens. Biochem. J. 253 (1988) 263–267. [PMID: 3138982]
4.  Wang, P., Bashiri, G., Gao, X., Sawaya, M.R. and Tang, Y. Uncovering the enzymes that catalyze the final steps in oxytetracycline biosynthesis. J. Am. Chem. Soc. 135 (2013) 7138–7141. [PMID: 23621493]
[EC 1.14.13.38 created 1990, modified 2016]
 
 


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