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Literature summary for 2.1.1.137 extracted from

  • Zhang, J.; Cao, T.; Tang, Z.; Shen, Q.; Rosen, B.P.; Zhao, F.J.
    Arsenic methylation and volatilization by arsenite S-adenosylmethionine methyltransferase in Pseudomonas alcaligenes NBRC14159 (2015), Appl. Environ. Microbiol., 81, 2852-2860.
    View publication on PubMedView publication on EuropePMC

Cloned(Commentary)

Cloned (Comment) Organism
expressed in Escherichia coli BL21(DE3) cells Pseudomonas alcaligenes

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
38000
-
x * 38000, calculated from amino acid sequence Pseudomonas alcaligenes

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
S-adenosyl-L-methionine + arsenite Pseudomonas alcaligenes
-
S-adenosyl-L-homocysteine + methylarsonate
-
?
S-adenosyl-L-methionine + arsenite Pseudomonas alcaligenes NBRC 14159
-
S-adenosyl-L-homocysteine + methylarsonate
-
?
S-adenosyl-L-methionine + methylarsonite Pseudomonas alcaligenes
-
S-adenosyl-L-homocysteine + dimethylarsinate the enzyme also produces also produces dimethylarsine and trimethylarsine gases as by-products ?
S-adenosyl-L-methionine + methylarsonite Pseudomonas alcaligenes NBRC 14159
-
S-adenosyl-L-homocysteine + dimethylarsinate the enzyme also produces also produces dimethylarsine and trimethylarsine gases as by-products ?

Organism

Organism UniProt Comment Textmining
Pseudomonas alcaligenes U2ZU49
-
-
Pseudomonas alcaligenes NBRC 14159 U2ZU49
-
-

Purification (Commentary)

Purification (Comment) Organism
Ni-NTA column chromatography Pseudomonas alcaligenes

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
S-adenosyl-L-methionine + arsenite
-
Pseudomonas alcaligenes S-adenosyl-L-homocysteine + methylarsonate
-
?
S-adenosyl-L-methionine + arsenite
-
Pseudomonas alcaligenes NBRC 14159 S-adenosyl-L-homocysteine + methylarsonate
-
?
S-adenosyl-L-methionine + methylarsonite
-
Pseudomonas alcaligenes S-adenosyl-L-homocysteine + dimethylarsinate the enzyme also produces also produces dimethylarsine and trimethylarsine gases as by-products ?
S-adenosyl-L-methionine + methylarsonite
-
Pseudomonas alcaligenes NBRC 14159 S-adenosyl-L-homocysteine + dimethylarsinate the enzyme also produces also produces dimethylarsine and trimethylarsine gases as by-products ?

Subunits

Subunits Comment Organism
? x * 38000, calculated from amino acid sequence Pseudomonas alcaligenes

Synonyms

Synonyms Comment Organism
arsenite S-adenosylmethionine methyltransferase
-
Pseudomonas alcaligenes
ArsM
-
Pseudomonas alcaligenes

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
37
-
-
Pseudomonas alcaligenes

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.5
-
-
Pseudomonas alcaligenes

Expression

Organism Comment Expression
Pseudomonas alcaligenes the enzyme is expressed in the absence of As(3+), and the expression is further enhanced after 6 h by 0.04 mM As(3+) exposure up

General Information

General Information Comment Organism
malfunction a gene disruption mutant loses arsenite methylation ability and becomes more sensitive to arsenite Pseudomonas alcaligenes
physiological function the enzyme plays a role in arsenite methylation and detoxification of As3+ Pseudomonas alcaligenes