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Literature summary for 1.5.1.5 extracted from

  • Cossins, E.A.; Kirk, C.D.; Imeson, H.C.; Zheng, L.l.
    Enzymes for synthesis of 10-formyltetrahydrofolate in plants. Characterization of a monofunctional 10-formyltetrahydrofolate synthetase and copurification of 5,10-methylenetetrahydrofolate dehydrogenase and 5,10-methenyltetrahydrofolate cyclohydrolase activities (1993), Adv. Exp. Med. Biol., 338, 707-710.
    View publication on PubMed

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.0077
-
tetrahydropteroylglutamic acid
-
Pisum sativum
0.011
-
NADP+
-
Pisum sativum

Localization

Localization Comment Organism GeneOntology No. Textmining
cytosol
-
Pisum sativum 5829
-

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
57000
-
1 * 57000, bifunctional protein: methylenetetrahydrofolate dehydrogenase-methenyltetrahydrofolate cyclohydrolase, SDS-PAGE Pisum sativum
60000
-
methylenetetrahydrofolate dehydrogenase-methenyltetrahydrofolate cyclohydrolase protein, gel filtration Pisum sativum

Organism

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

Purification (Commentary)

Purification (Comment) Organism
co-purification of 5,10-methylenetetrahydrofolate dehydrogenase and 5,10-methenyltetrahydrofolate cyclohydrolase Pisum sativum

Source Tissue

Source Tissue Comment Organism Textmining
cotyledon
-
Pisum sativum
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
32.5
-
-
Pisum sativum

Substrates and Products (Substrate)

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

Subunits

Subunits Comment Organism
monomer 1 * 57000, bifunctional protein: methylenetetrahydrofolate dehydrogenase-methenyltetrahydrofolate cyclohydrolase, SDS-PAGE Pisum sativum

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
6.5
-
-
Pisum sativum

Cofactor

Cofactor Comment Organism Structure
NADP+
-
Pisum sativum