Arsenite methyltransferase

Template:For Template:Infobox enzyme Arsenite methyltransferase (Template:EC number, S-adenosyl-L-methionine:arsenic(III) methyltransferase, S-adenosyl-L-methionine:methylarsonite As-methyltransferase, methylarsonite methyltransferase) is an enzyme with systematic name S-adenosyl-L-methionine:arsenite As-methyltransferase. This enzyme catalyses the following chemical reaction

(1) S-adenosyl-L-methionine + arsenite $\rightleftharpoons$ S-adenosyl-L-homocysteine + methylarsonate

(2) S-adenosyl-L-methionine + methylarsonite $\rightleftharpoons$ S-adenosyl-L-homocysteine + dimethylarsinate

An enzyme of the biotransformation pathway that forms dimethylarsinate from inorganic arsenite and arsenate.

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