Literature summary for 2.4.1.242 extracted from

Dauvillee, D.; Colleoni, C.; Shaw, E.; Mouille, G.; D'Hulst, C.; Morell, M.; Samuel, M.S.; Bouchet, B.; Gallant, D.J.; Sinskey, A.; Ball, S.
Novel, starch-like polysaccharides are synthesized by an unbound form of granule-bound starch synthase in glycogen-accumulating mutants of Chlamydomonas reinhardtii (1999), Plant Physiol., 119, 321-330.

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Protein Variants

Protein Variants	Comment	Organism
additional information	construction of glycogen-accumulating debranching enzyme mutants, lacking amylopectin synthesis activity, which contain an unbound GBSSI form synthesizing insoluble starch-like polysaccharides with an altered structure	Chlamydomonas reinhardtii

Organism

Organism	UniProt	Comment	Textmining
Chlamydomonas reinhardtii	-	different genotypes	-

Source Tissue

Source Tissue	Comment	Organism	Textmining
additional information	enzyme is bound to starch granules in wild-type cells	Chlamydomonas reinhardtii	-

Substrates and Products (Substrate)

Substrates	Comment Substrates	Organism	Products	Comment (Products)	Rev.	Reac.
additional information	the enzyme requires the presence of crystalline amylopectin for granule binding and production of amylose, while unbound enzyme occuring in debranching enzyme mutants are only capable to synthesize amylose-like material	Chlamydomonas reinhardtii	?	-	?

Subunits

Subunits	Comment	Organism
More	the enzyme requires the presence of crystalline amylopectin for granule binding	Chlamydomonas reinhardtii

Synonyms

Synonyms	Comment	Organism
GBSSI	-	Chlamydomonas reinhardtii
granule-bound starch synthase	-	Chlamydomonas reinhardtii

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Release 2023.1 (January 2023)