| demethylase | <enzyme> That transfers a methyl group from S adenosyl methionine to a substrate. most commonly encountered in bacterial chemotaxis where the methyl accepting chemotaxis proteins (MCPs) become methylated in the course of adaptation. (18 Nov 1997) |
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| demethylation | The enzymatic removal of methyl groups. (05 Mar 2000) |
| demethylmacrocin O-methyltransferase | <enzyme> Catalyses the conversion of demethylmacrocin at the 2''' oh position to macrocin as the penultimate step of tylosin biosynthesis in streptomyces fradiae Registry number: EC 2.1.1.- Synonym: demethylmacrocin o-mt, s-adenosyl-l-methionine-demethylmacrocin o-methyltransferase (26 Jun 1999) |