Literature summary for 7.1.3.1 extracted from

Kuo, S.Y.; Chien, L.F.; Hsiao, Y.Y.; Van Ru, C.; Yan, K.H.; Liu, P.F.; Mao, S.J.; Pan, R.L.
Proton pumping inorganic pyrophosphatase of endoplasmic reticulum-enriched vesicles from etiolated mung bean seedlings (2005), J. Plant Physiol., 162, 129-138.

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Inhibitors

Inhibitors	Comment	Organism	Structure
F-	inhibits the H+-translocation activity in endoplasmic reticulum vesicles	Vigna radiata

Localization

Localization	Comment	Organism	GeneOntology No.	Textmining
endoplasmic reticulum	ER H+-pyrophosphatase	Vigna radiata	5783	-
microsome	endoplasmic reticulum-enriched vesicles, ER H+-pyrophosphatase	Vigna radiata	-	-
tonoplast	vacuolar H+-pyrophosphatase	Vigna radiata	-	-
vacuole	vacuolar H+-pyrophosphatase	Vigna radiata	5773	-

Metals/Ions

Metals/Ions	Comment	Organism	Structure
K+	required, preferred monovalent cation	Vigna radiata
Mg2+	required, the ER H+-pyrophosphatase requires higher concentrations as the vacuolar H+-pyrophosphatase	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
partially by preparation of endoplasmic reticulum-enriched vesicles	Vigna radiata

Source Tissue

Source Tissue	Comment	Organism	Textmining
hypocotyl	etiolated	Vigna radiata	-
seedling	-	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]	-	?
additional information	the enzyme also shows H+-translocation activity	Vigna radiata	?	-	?

Synonyms

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

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Release 2023.1 (January 2023)