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Literature summary for 3.6.1.1 extracted from

  • Mortain-Bertrand, A.; Uteau, F.; Enault, N.; d¦Harlingue, A.; Schaeffer, J.; Lamant, A.
    Characterization of alkaline inorganic pyrophosphatase from Capsicum annuum chromoplasts (1992), Plant Physiol. Biochem., 30, 779-788.
No PubMed abstract available
Search for more literature for 3.6.1.1

Inhibitors

Inhibitors Comment Organism Structure
KF 90% at 0.5 mM Capsicum annuum

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.01
-
 diphosphate
-
 Capsicum annuum

Localization

Localization Comment Organism GeneOntology No. Textmining
chromoplast
-
 Capsicum annuum 9509
-
soluble
-
 Capsicum annuum
-
-

Metals/Ions

Metals/Ions Comment Organism Structure
Mg2+ required for activity Capsicum annuum
Mg2+ no other divalent cations can substitute for Mg2+ Capsicum annuum

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
diphosphate + H2O Capsicum annuum actual substrate is magnesium diphosphate or dimagnesium diphosphate 2 phosphate
-
 ?

Organism

Organism UniProt Comment Textmining
Capsicum annuum
-
-
-

Source Tissue

Source Tissue Comment Organism Textmining
pericarp
-
 Capsicum annuum
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
ATP + H2O 3% relative activity compared to diphosphate Capsicum annuum ?
-
 ?
diphosphate + H2O actual substrate is magnesium diphosphate or dimagnesium diphosphate Capsicum annuum 2 phosphate
-
 ?

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
37
-
-
 Capsicum annuum

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8.5
-
-
 Capsicum annuum

pH Range

pH Minimum pH Maximum Comment Organism
5.5 10 no activity below 5.5, about 75% activity at pH 10 Capsicum annuum