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2.1.1.137: arsenite methyltransferase

This is an abbreviated version!
For detailed information about arsenite methyltransferase, go to the full flat file.

Word Map on EC 2.1.1.137

Reaction

2 S-adenosyl-L-methionine +

arsenic triglutathione
+ 2 thioredoxin +
H2O
=
S-adenosyl-L-homocysteine
+
dimethylarsinous acid
+ 3 glutathione + 2 thioredoxin disulfide

Synonyms

AdoMet:arsenic(III) methyltransferase, arsenic (+3 oxidation state) methyltransferase, arsenic (+3 oxidation state)-methyltransferase, arsenic (+3) methyltransferase, arsenic (III) methyltransferase, arsenic (III) S-adenosylmethionine methyltransferase, arsenic methyltransferase Cyt19, arsenic(III) methyltransferase, arsenite (+3 oxidation state) methyltransferase, arsenite methyltransferase, arsenite S-adenosylmethionine methyltransferase, ArsM, ArsM protein, ArsM7B, As(III) methyltransferase, As(III) S-adenosylmethionine methyltransferase, As(III) SAM methyltransferase, AS3MT, AsIII S-adenosylmethionine methyltransferase, Cyr19, Cyt19, EC 2.1.1.138, hAS3MT, methylarsonite methyltransferase, N6AMT1, S-adenosyl-L-methionine:arsenic(III) methyltransferase, S-adenosyl-L-methionine:methylarsonite As-methyltransferase, S-adenosylmethionine dependent arsenic methyltransferase, [As(III)] methyltransferase

ECTree

     2 Transferases
         2.1 Transferring one-carbon groups
             2.1.1 Methyltransferases
                2.1.1.137 arsenite methyltransferase

Inhibitors

Inhibitors on EC 2.1.1.137 - arsenite methyltransferase

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INHIBITOR
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
arsenite
-
the enzyme activity is completely inhibited by elevated concentrations of the substrate arsenite (0.2 mM)
dimethylselenoxide
glutathione
-
addition of 20 mM GSH sharply inhibits methylation
methylselenic acid
selenate
-
more than 1 mM selenate necessary for 50% inhibition
Selenite
Sodium selenite
trimethyl-selenonium iodide
-
weak activator of recombinant As(III)-methyltransferase, weak inhibitor of arsenite methylation in hepatocytes
trimethylselenonium iodide
-
weak activator of recombinant As(III)-methyltransferase, weak inhibitor of arsenite methylation in hepatocytes