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Literature summary extracted from

  • Morell, M.K.; Blennow, A.; Kosar-Hashemi, B.; Samuel, M.S.
    Differential expression and properties of starch-branching enzyme isoforms in developing wheat endosperm (1997), Plant Physiol., 113, 201-208.
    View publication on PubMedView publication on EuropePMC

Activating Compound

EC Number Activating Compound Comment Organism Structure
2.4.1.18 (NH4)2SO4 10 mM, activates Triticum aestivum
2.4.1.18 3-hydroxy-2-oxopropyl dihydrogen phosphate 10 mM, activates Triticum aestivum
2.4.1.18 3-phosphoglycerate 10 mM, activates Triticum aestivum
2.4.1.18 ADP 10 mM, activates Triticum aestivum
2.4.1.18 ADPglucose 10 mM, activates Triticum aestivum
2.4.1.18 AMP 10 mM, activates Triticum aestivum
2.4.1.18 ATP 10 mM, activates Triticum aestivum
2.4.1.18 diphosphate 10 mM, activates Triticum aestivum
2.4.1.18 fructose 1,6-diphosphate 10 mM, activates Triticum aestivum
2.4.1.18 fructose 6-phosphate 10 mM, activates Triticum aestivum
2.4.1.18 glucose 1-phosphate 10 mM, activates Triticum aestivum
2.4.1.18 glucose 6-phosphate 10 mM, activates Triticum aestivum
2.4.1.18 NADP+ 10 mM, activates Triticum aestivum
2.4.1.18 phosphate activates Triticum aestivum
2.4.1.18 phosphoenolpyruvate 10 mM, activates Triticum aestivum
2.4.1.18 ribose 5-phosphate 10 mM, activates Triticum aestivum
2.4.1.18 RuBP 10 mM, activates Triticum aestivum

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
2.4.1.18 additional information
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 additional information Km-value for amylose, enzyme form WBE-IB: 0.11 mg/ml, Km-value for amylose, enzyme form WBE-IAD: 0.3 mg/ml, Km-value for amylose, enzyme form WBE-II: 0.65 mg/ml Triticum aestivum

Organism

EC Number Organism UniProt Comment Textmining
2.4.1.18 Triticum aestivum
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Purification (Commentary)

EC Number Purification (Comment) Organism
2.4.1.18 partial Triticum aestivum

Source Tissue

EC Number Source Tissue Comment Organism Textmining
2.4.1.18 endosperm developing hexaploid. Enzyme form WBE-II is expressed at a constant level through mid and late endosperm development. Enzyme forms WBE-IAD and WBE-IB are preferentially expressed in late endosperm development Triticum aestivum
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