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Literature summary extracted from

  • Wagner, I.; Hofmann, H.; Hoffmann-Ostenhof, O.
    Biosynthesis of cyclitols. 23. A soluble enzyme from pea seedlings methylating myo-inositol to D-bornesitol (1969), Hoppe-Seyler's Z. Physiol. Chem., 350, 1460-1464.
    View publication on PubMed

General Stability

EC Number General Stability Organism
2.1.1.40 glutathione stabilizes slightly Pisum sativum

Inhibitors

EC Number Inhibitors Comment Organism Structure
2.1.1.40 iodoacetamide
-
Pisum sativum
2.1.1.40 N-ethylmaleimide
-
Pisum sativum
2.1.1.40 p-chloromercuribenzoate
-
Pisum sativum

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
2.1.1.40 2.3
-
myo-inositol
-
Pisum sativum
2.1.1.40 3.2
-
S-adenosyl-L-methionine
-
Pisum sativum

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
2.1.1.40 30000
-
gel filtration Pisum sativum

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
2.1.1.40 S-adenosyl-L-methionine + myo-inositol Pisum sativum biosynthesis of cyclitols S-adenosyl-L-homocysteine + D-bornesitol
-
?

Organism

EC Number Organism UniProt Comment Textmining
2.1.1.40 Pisum sativum
-
pea
-

Purification (Commentary)

EC Number Purification (Comment) Organism
2.1.1.40 partial Pisum sativum

Source Tissue

EC Number Source Tissue Comment Organism Textmining
2.1.1.40 seedling
-
Pisum sativum
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2.1.1.40 D-bornesitol + S-adenosyl-L-methionine low reaction rate Pisum sativum 1,3-di-O-methyl-myo-inositol + S-adenosyl-L-homocysteine
-
?
2.1.1.40 D-chiro-inositol + S-adenosyl-L-methionine
-
Pisum sativum quebrachitol + S-adenosyl-L-homocysteine
-
?
2.1.1.40 L-bornesitol + S-adenosyl-L-methionine low reaction rate Pisum sativum 1,3-di-O-methyl-myo-inositol + S-adenosyl-L-homocysteine
-
?
2.1.1.40 L-chiro-inositol + S-adenosyl-L-methionine
-
Pisum sativum quebrachitol + pinitol + S-adenosyl-L-homocysteine
-
?
2.1.1.40 S-adenosyl-L-methionine + myo-inositol
-
Pisum sativum S-adenosyl-L-homocysteine + D-bornesitol
-
?
2.1.1.40 S-adenosyl-L-methionine + myo-inositol biosynthesis of cyclitols Pisum sativum S-adenosyl-L-homocysteine + D-bornesitol
-
?
2.1.1.40 scyllo-inositol + S-adenosyl-L-methionine low reaction rate Pisum sativum ?
-
?

Temperature Stability [°C]

EC Number Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
2.1.1.40 3
-
24 h, 40% loss of activity Pisum sativum

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
2.1.1.40 7
-
-
Pisum sativum

pH Range

EC Number pH Minimum pH Maximum Comment Organism
2.1.1.40 6.7 7.6 about 50% of activity maximum at pH 6.7 and 7.6 Pisum sativum