Entry
Name
5a,11a-dehydrotetracycline reductase;
oxyR (gene name);
12-dehydrotetracycline dehydrogenase;
dehydrooxytetracycline dehydrogenase;
12-dehydrotetracycline reductase
Class
Oxidoreductases;
Acting on the CH-CH group of donors;
With other, known, physiological acceptors
BRITE hierarchy
Sysname
tetracycline:coenzyme F420 dehydrogenase
Reaction(IUBMB)
tetracycline + oxidized coenzyme F420 = 5a,11a-dehydrotetracycline + reduced coenzyme F420 [RN:
R05459 ]
Reaction(KEGG)
Substrate
tetracycline [CPD:
C06570 ];
oxidized coenzyme F420 [CPD:
C00876 ]
Product
5a,11a-dehydrotetracycline [CPD:
C03206 ];
reduced coenzyme F420 [CPD:
C01080 ]
Comment
The enzyme, characterized from the bacteria Streptomyces aureofaciens and Streptomyces rimosus, catalyses the last step in the biosynthesis of the tetracycline antibiotics tetracycline and oxytetracycline.
History
EC 1.3.98.4 created 2016
Pathway
ec01057 Biosynthesis of type II polyketide products
ec01110 Biosynthesis of secondary metabolites
Orthology
K21301 5a,11a-dehydrotetracycline reductase
Genes
Taxonomy
Reference
1
Authors
McCormick JRD, Hirsch U, Sjolander NO, Doerschuk AP.
Title
Cosynthesis of tetracyclines by pairs of Streptomyces aureofaciens mutants.
Journal
J Am Chem Soc 82:5006-5007 (1960)
Reference
2
Authors
Miller PA, Sjolander NO, Nalesnyk S, Arnold N, Johnson S, Doerschuk AP, McCormick JRD.
Title
Cosynthetic factor I, a factor involved in hydrogen-transfer in Streptomyces aureofaciens.
Journal
J Am Chem Soc 82:5002-5003 (1960)
Reference
3
Authors
McCormick JRD, Morton GO.
Title
Identity of cosynthetic factor I of Streptomyces aureofaciens and fragment FO from coenzyme F420 of Methanobacterium species.
Journal
J Am Chem Soc 104:4014-4015 (1982)
Reference
Authors
Wang P, Bashiri G, Gao X, Sawaya MR, Tang Y
Title
Uncovering the enzymes that catalyze the final steps in oxytetracycline biosynthesis.
Journal
Other DBs
ExplorEnz - The Enzyme Database: 1.3.98.4
ExPASy - ENZYME nomenclature database: 1.3.98.4