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Literature summary for 2.1.1.103 extracted from

  • Smith, D.D.; Summers, P.S.; Weretilnyk, E.A.
    Phosphocholine synthesis in spinach: characterization of phosphoethanolamine N-methyltransferase (2000), Physiol. Plant., 108, 286-294.
No PubMed abstract available
Search for more literature for 2.1.1.103

Inhibitors

Inhibitors Comment Organism Structure
Co2+
-
 Spinacia oleracea
Mn2+
-
 Spinacia oleracea
phosphate
-
 Spinacia oleracea
phosphocholine
-
 Spinacia oleracea
S-adenosyl-L-homocysteine
-
 Spinacia oleracea

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
54000
-
 SDS-PAGE Spinacia oleracea
77000
-
 gel filtration Spinacia oleracea

Natural Substrates/ Products (Substrates)

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

Organism

Organism UniProt Comment Textmining
Spinacia oleracea
-
 highest activity after prolonged light period
-

Purification (Commentary)

Purification (Comment) Organism
-
 Spinacia oleracea

Source Tissue

Source Tissue Comment Organism Textmining
leaf
-
 Spinacia oleracea
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
0.189
-
 purified enzyme Spinacia oleracea

Substrates and Products (Substrate)

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

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.8
-
-
 Spinacia oleracea