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Literature summary for 2.4.1.21 extracted from

  • Mukerjea, R.; Robyt, J.F.
    De novo biosynthesis of starch chains without a primer and the mechanism for its biosynthesis by potato starch-synthase (2012), Carbohydr. Res., 352, 137-142.
    View publication on PubMed

Organism

Organism UniProt Comment Textmining
Solanum tuberosum
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Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
ADP-alpha-D-glucose
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Solanum tuberosum ADP + [(1-4)-alpha-D-glucosyl]n
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additional information potato starch-synthase synthesizes alpha-(1-4)-linked amylose chains de novo without the need of a primer. D-Glucopyranosyl and D-glucanyl starch chains are covalently attached to the active-site of starch synthase during catalysis. D-Glucose is added to the reducing-end of the growing chain processively, suggesting a two catalytic-site insertion mechanism Solanum tuberosum ?
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