Literature summary for 3.6.1.5 extracted from

Clark, G.; Fraley, D.; Steinebrunner, I.; Cervantes, A.; Onyirimba, J.; Liu, A.; Torres, J.; Tang, W.; Kim, J.; Roux, S.J.
Extracellular nucleotides and apyrases regulate stomatal aperture in Arabidopsis (2011), Plant Physiol., 156, 1740-1753.

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Cloned(Commentary)

Cloned (Comment)	Organism
isozymes APY1 and APY2, expression analysis, APY1 and APY2 promoter activity is high under conditions that induced stomata opening	Arabidopsis thaliana

Molecular Weight [Da]

Molecular Weight [Da]	Molecular Weight Maximum [Da]	Comment	Organism
50000	-	x * 50000, about, isozymes APY1 and APY2, SDS-PAGE	Arabidopsis thaliana

Natural Substrates/ Products (Substrates)

Natural Substrates	Organism	Comment (Nat. Sub.)	Natural Products	Comment (Nat. Pro.)	Rev.	Reac.
ATP + 2 H2O	Arabidopsis thaliana	-	AMP + 2 phosphate	-	?

Organism

Organism	UniProt	Comment	Textmining
Arabidopsis thaliana	-	isozymes APY1 and APY2	-

Source Tissue

Source Tissue	Comment	Organism	Textmining
leaf	-	Arabidopsis thaliana	-

Substrates and Products (Substrate)

Substrates	Comment Substrates	Organism	Products	Comment (Products)	Rev.	Reac.
ATP + 2 H2O	-	Arabidopsis thaliana	AMP + 2 phosphate	-	?

Subunits

Subunits	Comment	Organism
?	x * 50000, about, isozymes APY1 and APY2, SDS-PAGE	Arabidopsis thaliana

Synonyms

Synonyms	Comment	Organism
ectoapyrase	-	Arabidopsis thaliana

Expression

Organism	Comment	Expression
Arabidopsis thaliana	APY expression in guard cell protoplasts rises quickly when these cells are moved from darkness into light	up

General Information

General Information	Comment	Organism
malfunction	suppression of apyrase expression affects the regulation of stomatal aperture	Arabidopsis thaliana
physiological function	expression of the two apyrase isozymes in Arabidopsis thaliana, APY1 and APY2, is strongly correlated with cell growth and secretory activity. Ectoapyrases and extracellular nucleotides play key roles in regulating stomatal functions, overview	Arabidopsis thaliana

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Release 2023.1 (January 2023)