Cloned (Comment) | Organism |
---|---|
expressed in Escherichia coli DH5alpha and AW3110 cells | Tetrahymena pyriformis |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
30000 | - |
x * 30000, His-tagged enzyme, SDS-PAGE | Tetrahymena pyriformis |
35400 | - |
x * 35400, His-tagged enzyme, calculated from amino acid sequence | Tetrahymena pyriformis |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
additional information | Tetrahymena pyriformis | besides methylarsonate and dimethylarsinate, the enzyme also produces trimethylarsenite and dimethylarsine gases | ? | - |
? | |
S-adenosyl-L-methionine + arsenite | Tetrahymena pyriformis | - |
S-adenosyl-L-homocysteine + methylarsonate | - |
? | |
S-adenosyl-L-methionine + methylarsonite | Tetrahymena pyriformis | - |
S-adenosyl-L-homocysteine + dimethylarsinate | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Tetrahymena pyriformis | - |
- |
- |
Purification (Comment) | Organism |
---|---|
HisTrap column chromatography | Tetrahymena pyriformis |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
additional information | besides methylarsonate and dimethylarsinate, the enzyme also produces trimethylarsenite and dimethylarsine gases | Tetrahymena pyriformis | ? | - |
? | |
S-adenosyl-L-methionine + arsenite | - |
Tetrahymena pyriformis | S-adenosyl-L-homocysteine + methylarsonate | - |
? | |
S-adenosyl-L-methionine + methylarsonite | - |
Tetrahymena pyriformis | S-adenosyl-L-homocysteine + dimethylarsinate | - |
? |
Subunits | Comment | Organism |
---|---|---|
? | x * 30000, His-tagged enzyme, SDS-PAGE | Tetrahymena pyriformis |
? | x * 35400, His-tagged enzyme, calculated from amino acid sequence | Tetrahymena pyriformis |
Synonyms | Comment | Organism |
---|---|---|
arsenite methyltransferase | - |
Tetrahymena pyriformis |
ArsM | - |
Tetrahymena pyriformis |
As(III) methyltransferase | - |
Tetrahymena pyriformis |
Temperature Minimum [°C] | Temperature Maximum [°C] | Comment | Organism |
---|---|---|---|
16 | 37 | purified enzyme converts almost all arsenite to dimethylarsinate at temperatures of 1637°C in pH 7.5 buffer, while at higher temperatures the rate of arsenite transformation is reduced | Tetrahymena pyriformis |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
7.5 | - |
- |
Tetrahymena pyriformis |