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Literature summary for 2.1.1.39 extracted from

  • Koller, F.; Hoffmann-Ostenhof, O.
    Studies on the biosynthesis of cyclitols, XXXIV[l] Purification of myo-inositol 3-methyltransferase from Pisum sativum and of myo-inositol 1-methyltransferase from Vinca minor to homogeneity by affinity chromatography (1976), Hoppe-Seyler's Z. Physiol. Chem., 357, 1465-1468.
    View publication on PubMed

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.8
-
S-adenosyl-L-methionine
-
Vinca minor
2.5
-
myo-inositol
-
Vinca minor

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
27000
-
gel filtration Vinca minor

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
S-adenosyl-L-methionine + myo-inositol Vinca minor
-
S-adenosyl-L-homocysteine + 1D-3-O-methyl-myo-inositol + H+
-
?

Organism

Organism UniProt Comment Textmining
Vinca minor
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Vinca minor

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
0.0078
-
-
Vinca minor

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
S-adenosyl-L-methionine + myo-inositol
-
Vinca minor S-adenosyl-L-homocysteine + 1D-3-O-methyl-myo-inositol + H+
-
?
S-adenosyl-L-methionine + myo-inositol
-
Vinca minor S-adenosyl-L-homocysteine + 1D-3-O-methyl-myo-inositol + H+ i.e. pinitol ?

Subunits

Subunits Comment Organism
monomer 1 * 27000, SDS-PAGE Vinca minor

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7
-
-
Vinca minor

pI Value

Organism Comment pI Value Maximum pI Value
Vinca minor isoelectric focusing
-
7.1