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Literature summary for 7.1.3.1 extracted from

  • Maeshima, M.
    Oligomeric structure of H+-translocating inorganic pyrophosphatase of plant vacuoles (1990), Biochem. Biophys. Res. Commun., 168, 1157-1162 .
    View publication on PubMed

Activating Compound

Activating Compound Comment Organism Structure
Phospholipid
-
Vigna radiata

Localization

Localization Comment Organism GeneOntology No. Textmining
vacuolar membrane
-
Vigna radiata 5774
-

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
158000
-
gel filtration Vigna radiata

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
diphosphate + H2O + H+[side 1] Vigna radiata
-
2 phosphate + H+[side 2]
-
?

Organism

Organism UniProt Comment Textmining
Vigna radiata
-
-
-

Purification (Commentary)

Purification (Comment) Organism
QAE-Toyopearl column chromatography, and Superdex 200 gel filtration Vigna radiata

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
diphosphate + H2O + H+[side 1]
-
Vigna radiata 2 phosphate + H+[side 2]
-
?

Subunits

Subunits Comment Organism
homodimer 2 * 73000, SDS-PAGE Vigna radiata

Synonyms

Synonyms Comment Organism
H+-translocating inorganic pyrophosphatase
-
Vigna radiata
vacuolar inorganic pyrophosphatase
-
Vigna radiata
vacuolar PPase
-
Vigna radiata

General Information

General Information Comment Organism
physiological function the enzyme is responsible for generating an internal acidic environment in the vacuole and a proton gradient across the membrane Vigna radiata