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Literature summary for 1.1.1.205 extracted from

  • Turner, J.F.; King, J.E.
    Inosine 5'-phosphate dehydrogenase of pea seeds (1961), Biochem. J., 79, 147-151.
    View publication on PubMedView publication on EuropePMC

Inhibitors

Inhibitors Comment Organism Structure
HgCl2 complete inactivation at 0.5 mM Pisum sativum
iodoacetate 98% inhibition at 10 mM Pisum sativum
p-hydroxymercuribenzoate 97% inactivation at 1 mM Pisum sativum

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
additional information
-
additional information
-
Pisum sativum

Metals/Ions

Metals/Ions Comment Organism Structure
K+ activation Pisum sativum
K+ maximum activity at 33-66 mM KCl Pisum sativum

Organism

Organism UniProt Comment Textmining
Pisum sativum
-
var. Canners' Perfection
-

Source Tissue

Source Tissue Comment Organism Textmining
seed
-
Pisum sativum
-

Storage Stability

Storage Stability Organism
-15°C, 10% loss of activity within 2 weeks and 40% loss after 6 weeks Pisum sativum

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
inosine + NAD+ + H2O 8% of the rate with inosine 5'-phosphate Pisum sativum xanthosine + NADH
-
?
inosine 5'-phosphate + NAD+ + H2O
-
Pisum sativum xanthosine 5'-phosphate + NADH
-
?

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8
-
-
Pisum sativum

pH Range

pH Minimum pH Maximum Comment Organism
7.5 9.5 pH 7.5: about 55% of activity maximum, pH 9.5: about 70% of activity maximum Pisum sativum
7.5 8.7 pH 7.5: about 60% of activity maximum, pH 8.7: about 40% of activity maximum Pisum sativum

Cofactor

Cofactor Comment Organism Structure
NAD+
-
Pisum sativum