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Literature summary extracted from

  • Kreis, M.
    Primer dependent and independent forms of soluble starch synthase from developing barley endosperm (1980), Planta, 148, 412-416.
    View publication on PubMed

Activating Compound

EC Number Activating Compound Comment Organism Structure
2.4.1.21 citrate
-
 Hordeum vulgare

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
2.4.1.21 0.11
-
 ADPglucose isoenzyme II, primed reaction Hordeum vulgare
2.4.1.21 0.11 0.22 ADPglucose
-
 Hordeum vulgare
2.4.1.21 0.17
-
 ADPglucose isoenzyme I, primed reaction Hordeum vulgare
2.4.1.21 0.2
-
 ADPglucose isoenzyme IV, primed reaction Hordeum vulgare
2.4.1.21 0.22
-
 ADPglucose isoenzyme III, primed reaction Hordeum vulgare

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
2.4.1.21 soluble
-
 Hordeum vulgare
-
-

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
2.4.1.21 ADP-glucose + alpha-1,4-polyglucan Hordeum vulgare involved in starch biosynthesis ADP + alpha-1,4-polyglucan
-
 ?

Organism

EC Number Organism UniProt Comment Textmining
2.4.1.21 Hordeum vulgare
-
 barley
-

Purification (Commentary)

EC Number Purification (Comment) Organism
2.4.1.21 4 isoenzymes, ammonium sulfate, DEAE-cellulose Hordeum vulgare

Source Tissue

EC Number Source Tissue Comment Organism Textmining
2.4.1.21 endosperm
-
 Hordeum vulgare
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2.4.1.21 ADP-glucose + alpha-1,4-polyglucan glucosyl acceptor: amylopectin Hordeum vulgare ADP + alpha-1,4-polyglucan
-
 ?
2.4.1.21 ADP-glucose + alpha-1,4-polyglucan involved in starch biosynthesis Hordeum vulgare ADP + alpha-1,4-polyglucan
-
 ?