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Literature summary for 1.5.1.5 extracted from

  • Cossins, E.A.; Wong, K.F.; Roos, A.J.
    Plant N5,N10-methylenetetrahydrofolate dehydrogenase: partial purification and some general properties of the enzyme from germinating pea seedlings (1970), Phytochemistry, 9, 1463-1471.
No PubMed abstract available

General Stability

General Stability Organism
relatively instable after partial purification Pisum sativum

Inhibitors

Inhibitors Comment Organism Structure
2,2'-dipyridyl
-
Pisum sativum
iodoacetate
-
Pisum sativum
o-phenanthroline
-
Pisum sativum

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.0004
-
NADP+
-
Pisum sativum
0.21
-
DL-tetrahydrofolic acid
-
Pisum sativum
0.79
-
formaldehyde
-
Pisum sativum

Organism

Organism UniProt Comment Textmining
Pisum sativum
-
L. cv. Homesteader
-

Purification (Commentary)

Purification (Comment) Organism
partial Pisum sativum

Source Tissue

Source Tissue Comment Organism Textmining
cotyledon
-
Pisum sativum
-
root
-
Pisum sativum
-
shoot
-
Pisum sativum
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
additional information
-
-
Pisum sativum

Storage Stability

Storage Stability Organism
2-4°C, 10% loss of activity in 4 days Pisum sativum

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
DL-tetrahydrofolic acid + NADP+
-
Pisum sativum ?
-
?
formaldehyde + NADP+
-
Pisum sativum ?
-
?

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
6.7
-
-
Pisum sativum

pH Range

pH Minimum pH Maximum Comment Organism
6 7
-
Pisum sativum

Cofactor

Cofactor Comment Organism Structure
NAD+ 23% of the activity with NADP+ Pisum sativum
NADP+
-
Pisum sativum