Literature summary for 2.4.1.11 extracted from

Nielsen, M.M.; Ruzanski, C.; Krucewicz, K.; Striebeck, A.; Cenci, U.; Ball, S.G.; Palcic, M.M.; Cuesta-Seijo, J.A.
Crystal structures of the catalytic domain of Arabidopsis thaliana starch synthase IV, of granule bound starch synthase from CLg1 and of granule bound starch synthase I of Cyanophora paradoxa illustrate substrate recognition in starch synthases (2018), Front. Plant Sci., 9, 1138 .

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Cloned(Commentary)

Cloned (Comment)	Organism
expressed in Escherichia coli Tuner(DE3) cells	Cyanophora paradoxa

Crystallization (Commentary)

Crystallization (Comment)	Organism
catalytic domain bound to ADP and inhibitor acarbose, hanging drop vapor diffusion method, using 40 mM citric acid, 60 mM Bis-Tris propane, pH 6.4 and 20% (w/v) PEG 3350	Cyanophora paradoxa

Inhibitors

Inhibitors	Comment	Organism	Structure
acarbose	-	Cyanophora paradoxa

Natural Substrates/ Products (Substrates)

Natural Substrates	Organism	Comment (Nat. Sub.)	Natural Products	Comment (Nat. Pro.)	Rev.	Reac.
UDP-alpha-D-glucose + [(1->4)-alpha-D-glucosyl]n	Cyanophora paradoxa	the enzyme prefers UDP-alpha-D-glucose over ADP-alpha-D-glucose	UDP + [(1->4)-alpha-D-glucosyl]n+1	-	?

Organism

Organism	UniProt	Comment	Textmining
Cyanophora paradoxa	A8V967	-	-

Purification (Commentary)

Purification (Comment)	Organism
HisTrap column chromatography and Superdex 75 gel filtration	Cyanophora paradoxa

Substrates and Products (Substrate)

Substrates	Comment Substrates	Organism	Products	Comment (Products)	Rev.	Reac.
ADP-alpha-D-glucose + [(1->4)-alpha-D-glucosyl]n	-	Cyanophora paradoxa	ADP + [(1->4)-alpha-D-glucosyl]n+1	-	?
UDP-alpha-D-glucose + [(1->4)-alpha-D-glucosyl]n	the enzyme prefers UDP-alpha-D-glucose over ADP-alpha-D-glucose	Cyanophora paradoxa	UDP + [(1->4)-alpha-D-glucosyl]n+1	-	?

Synonyms

Synonyms	Comment	Organism
GBSSI	-	Cyanophora paradoxa
granule bound starch synthase	-	Cyanophora paradoxa
starch synthase I	-	Cyanophora paradoxa

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Release 2023.1 (January 2023)