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Literature summary for 7.1.3.1 extracted from

  • Gordon-Weeks, R.; Steele, S.H.; Leigh, R.A.
    The role of magnesium, pyrophosphate, and their complexes as substrates and activators of the vacuolar H+-pumping inorganic pyrophosphatase (1996), Plant Physiol., 111, 195-202.
    View publication on PubMedView publication on EuropePMC
Search for more literature for 7.1.3.1

Inhibitors

Inhibitors Comment Organism Structure
2,3-Butanedione
-
 Beta vulgaris
2,3-Butanedione
-
 Vigna radiata
diethyldicarbonate
-
 Beta vulgaris
diethyldicarbonate
-
 Vigna radiata
Mersalyl
-
 Beta vulgaris
Mersalyl
-
 Vigna radiata
N-ethylmaleimide
-
 Beta vulgaris
N-ethylmaleimide
-
 Vigna radiata
N-Phenylmaleimide
-
 Beta vulgaris
N-Phenylmaleimide
-
 Vigna radiata
Rose bengal
-
 Beta vulgaris
Rose bengal
-
 Vigna radiata

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.002
-
 diphosphate
-
 Beta vulgaris
0.002
-
 diphosphate
-
 Vigna radiata
0.02 0.023 Mg2+
-
 Beta vulgaris
0.02 0.023 Mg2+
-
 Vigna radiata

Localization

Localization Comment Organism GeneOntology No. Textmining
tonoplast
-
 Beta vulgaris
-
-
tonoplast
-
 Vigna radiata
-
-

Metals/Ions

Metals/Ions Comment Organism Structure
K+ required for activity Beta vulgaris
K+ required for activity Vigna radiata
Mg2+
-
 Vigna radiata

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
diphosphate + H2O + H+[side 1] Beta vulgaris actual substrate is magnesium diphosphate or dimagnesium diphosphate 2 phosphate + H+[side 2]
-
 ?
diphosphate + H2O + H+[side 1] Vigna radiata actual substrate is magnesium diphosphate or dimagnesium diphosphate 2 phosphate + H+[side 2]
-
 ?
diphosphate + H2O + H+[side 1] Beta vulgaris H+-pump 2 phosphate + H+[side 2]
-
 ?
diphosphate + H2O + H+[side 1] Vigna radiata H+-pump 2 phosphate + H+[side 2]
-
 ?

Organism

Organism UniProt Comment Textmining
Beta vulgaris
-
-
-
Vigna radiata
-
-
-

Source Tissue

Source Tissue Comment Organism Textmining
hypocotyl
-
 Vigna radiata
-
root storage roots Beta vulgaris
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
0.15
-
-
 Beta vulgaris
0.3
-
-
 Vigna radiata

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
diphosphate + H2O + H+[side 1] actual substrate is magnesium diphosphate or dimagnesium diphosphate Beta vulgaris 2 phosphate + H+[side 2]
-
 ?
diphosphate + H2O + H+[side 1] actual substrate is magnesium diphosphate or dimagnesium diphosphate Vigna radiata 2 phosphate + H+[side 2]
-
 ?
diphosphate + H2O + H+[side 1] H+-pump Beta vulgaris 2 phosphate + H+[side 2]
-
 ?
diphosphate + H2O + H+[side 1] H+-pump Vigna radiata 2 phosphate + H+[side 2]
-
 ?