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Literature summary for 2.4.1.21 extracted from

  • Nakamura, Y.; Aihara, S.; Crofts, N.; Sawada, T.; Fujita, N.
    In vitro studies of enzymatic properties of starch synthases and interactions between starch synthase I and starch branching enzymes from rice (2014), Plant Sci., 224, 1-8.
    View publication on PubMed
Search for more literature for 2.4.1.21

Activating Compound

Activating Compound Comment Organism Structure
citrate isoform SSI and SSIIa are 3.4 and 4.4fold activated by 0.3 M citrate, respectively Oryza sativa

Cloned(Commentary)

Cloned (Comment) Organism
expressed in Escherichia coli Oryza sativa

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
ADP-alpha-D-glucose + [(1->4)-alpha-D-glucosyl]n Oryza sativa
-
 ADP + [(1->4)-alpha-D-glucosyl]n+1
-
 ?

Organism

Organism UniProt Comment Textmining
Oryza sativa
-
 cultivar Nipponbare
-

Purification (Commentary)

Purification (Comment) Organism
HitrapQ column chromatography, and DEAE column chromatography Oryza sativa

Source Tissue

Source Tissue Comment Organism Textmining
endosperm
-
 Oryza sativa
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
ADP-alpha-D-glucose + amylopectin
-
 Oryza sativa ADP + ?
-
 ?
ADP-alpha-D-glucose + dextrin
-
 Oryza sativa ADP + ?
-
 ?
ADP-alpha-D-glucose + glycogen
-
 Oryza sativa ADP + ?
-
 ?
ADP-alpha-D-glucose + [(1->4)-alpha-D-glucosyl]n
-
 Oryza sativa ADP + [(1->4)-alpha-D-glucosyl]n+1
-
 ?
additional information no activity with maltohexaose Oryza sativa ?
-
 ?

Synonyms

Synonyms Comment Organism
SSI isoform Oryza sativa
SSIIa isoform Oryza sativa
SSIIIa isoform Oryza sativa
starch synthase
-
 Oryza sativa