Literature summary extracted from

Crumpton-Taylor, M.; Pike, M.; Lu, K.J.; Hylton, C.M.; Feil, R.; Eicke, S.; Lunn, J.E.; Zeeman, S.C.; Smith, A.M.
Starch synthase 4 is essential for coordination of starch granule formation with chloroplast division during Arabidopsis leaf expansion (2013), New Phytol., 200, 1064-1075.

Localization

EC Number	Localization	Comment	Organism	GeneOntology No.	Textmining
2.4.1.21	chloroplast	-	Arabidopsis thaliana	9507	-

Natural Substrates/ Products (Substrates)

EC Number	Natural Substrates	Organism	Comment (Nat. Sub.)	Natural Products	Comment (Nat. Pro.)	Rev.	Reac.
2.4.1.21	ADP-alpha-D-glucose + [(1->4)-alpha-D-glucosyl]n	Arabidopsis thaliana	-	ADP + [(1->4)-alpha-D-glucosyl]n+1	-	?

Organism

EC Number	Organism	UniProt	Comment	Textmining
2.4.1.21	Arabidopsis thaliana	-	-	-

Source Tissue

EC Number	Source Tissue	Comment	Organism	Textmining
2.4.1.21	leaf	-	Arabidopsis thaliana	-

Substrates and Products (Substrate)

EC Number	Substrates	Comment Substrates	Organism	Products	Comment (Products)	Rev.	Reac.
2.4.1.21	ADP-alpha-D-glucose + [(1->4)-alpha-D-glucosyl]n	-	Arabidopsis thaliana	ADP + [(1->4)-alpha-D-glucosyl]n+1	-	?

Synonyms

EC Number	Synonyms	Comment	Organism
2.4.1.21	SS4	-	Arabidopsis thaliana
2.4.1.21	starch synthase 4	-	Arabidopsis thaliana

General Information

EC Number	General Information	Comment	Organism
2.4.1.21	malfunction	Arabidopsis thaliana mutants lacking the SS4 isoform of starch synthase have strongly reduced numbers of starch granules per chloroplast	Arabidopsis thaliana
2.4.1.21	physiological function	isoform starch synthase 4 is essential for coordination of starch granule formation with chloroplast division during Arabidopsis leaf expansion	Arabidopsis thaliana

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Release 2023.1 (January 2023)