Journal of Bacteriology, June 2001, p. 3276-3281, Vol. 183, No. 11
0021-9193/01/$04.00+0 DOI: 10.1128/JB.183.11.3276-3281.2001
Copyright © 2001, American Society for Microbiology. All rights reserved.
Department of Biochemistry, Beadle Center,
University of Nebraska
Lincoln, Lincoln, Nebraska 68588-0664
Received 23 October 2000/Accepted 13 March 2001
The Moorella thermoacetica aromatic O-demethylase was characterized as an inducible three-component system with similarity to the methanogenic methanol, methylamine, and methanethiol methyltransferases and to the O-demethylase system from Acetobacterium dehalogenans. MtvB catalyzes methyl transfer from a phenylmethylether to the cobalt center of MtvC, a corrinoid protein. MtvA catalyzes transmethylation from MtvC to tetrahydrofolate, forming methyltetrahydrofolate. Cobalamin can substitute for MtvC.
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