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Literature summary for 2.1.1.103 extracted from

  • Charron, J.B.F.; Breton, G.; Danyluk, J.; Muzac, I.; Ibrahim, R.K.; Sarhan, F.
    Molecular and biochemical characterization of a cold-regulated phosphoethanolamine N-methyltransferase from wheat (2002), Plant Physiol., 129, 363-373.
    View publication on PubMedView publication on EuropePMC

Cloned(Commentary)

Cloned (Comment) Organism
in Escherichia coli Triticum aestivum

Protein Variants

Protein Variants Comment Organism
additional information several point mutations and N- and C-terminal domains investigated, N-terminal domain catalyzes all three activities, regulatory role for C-terminal domain suggested Triticum aestivum

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.056
-
S-adenosyl-L-methionine
-
Triticum aestivum
0.065
-
Ethanolamine phosphate
-
Triticum aestivum

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
57000
-
calculated from DNA sequence Triticum aestivum
65000
-
SDS-PAGE, enzyme from E. coli, contains of 57 kD enzyme protein + 8 kD His-tag Triticum aestivum

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
S-adenosyl-L-methionine + ethanolamine phosphate Triticum aestivum involved in synthesis of phosphocholine and phosphatidylcholine S-adenosyl-L-homocysteine + N-methylethanolamine phosphate
-
?

Organism

Organism UniProt Comment Textmining
Triticum aestivum Q8VYX1
-
-

Purification (Commentary)

Purification (Comment) Organism
from E. coli, His-tag used for affinity chromatography Triticum aestivum

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
S-adenosyl-L-methionine + 2-(methylamino)ethyl phosphate
-
Triticum aestivum S-adenosyl-L-homocysteine + 2-(dimethylamino)ethyl phosphate
-
?
S-adenosyl-L-methionine + ethanolamine phosphate
-
Triticum aestivum S-adenosyl-L-homocysteine + N-methylethanolamine phosphate
-
?
S-adenosyl-L-methionine + ethanolamine phosphate involved in synthesis of phosphocholine and phosphatidylcholine Triticum aestivum S-adenosyl-L-homocysteine + N-methylethanolamine phosphate
-
?
S-adenosyl-L-methionine + phosphodimethylethanolamine
-
Triticum aestivum S-adenosyl-L-homocysteine + phosphocholine
-
?