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Literature summary for 2.1.1.157 extracted from

  • McCoy, J.G.; Bailey, L.J.; Ng, Y.H.; Bingman, C.A.; Wrobel, R.; Weber, A.P.; Fox, B.G.; Phillips, G.N.
    Discovery of sarcosine dimethylglycine methyltransferase from Galdieria sulphuraria (2008), Proteins, 74, 368-367.
    View publication on PubMedView publication on EuropePMC

Cloned(Commentary)

Cloned (Comment) Organism
expression in Escherichia coli Galdieria sulphuraria

Crystallization (Commentary)

Crystallization (Comment) Organism
hanging drop vapor-diffusion method, crystal structure of the enzyme, solved to a resolution of 1.95 A Galdieria sulphuraria

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.144
-
S-adenosyl-L-methionine cosubstrate: sarcosine Galdieria sulphuraria
0.15
-
S-adenosyl-L-methionine cosubstrate: N,N-dimethylglycine Galdieria sulphuraria
2
-
sarcosine
-
Galdieria sulphuraria
2.8
-
N,N-dimethylglycine
-
Galdieria sulphuraria

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
34000
-
2 * 34000, denaturing PAGE Galdieria sulphuraria
67700
-
gel filtration Galdieria sulphuraria

Organism

Organism UniProt Comment Textmining
Galdieria sulphuraria
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Galdieria sulphuraria

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
S-adenosyl-L-methionine + N,N-dimethylglycine
-
Galdieria sulphuraria S-adenosyl-L-homocysteine + betaine
-
?
S-adenosyl-L-methionine + sarcosine
-
Galdieria sulphuraria S-adenosyl-L-homocysteine + N,N-dimethylglycine
-
?

Subunits

Subunits Comment Organism
dimer 2 * 34000, denaturing PAGE Galdieria sulphuraria

Synonyms

Synonyms Comment Organism
dimethylglycine methyltransferase
-
Galdieria sulphuraria
GsSDMT
-
Galdieria sulphuraria

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
61
-
melting temperature Galdieria sulphuraria

Turnover Number [1/s]

Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
1.07
-
sarcosine
-
Galdieria sulphuraria
1.4
-
N,N-dimethylglycine
-
Galdieria sulphuraria

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.5
-
methylation of dimethylglycine Galdieria sulphuraria
8
-
methylation of sarcosine Galdieria sulphuraria