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Literature summary for 2.4.1.13 extracted from

  • Wang, X.; Huang, W.; Zhan, J.
    Effects of low light on phloem ultrastructure and subcellular localization of sucrose synthase in Prunus persica L. var. nectarina Ait. fruit (2009), Russ. J. Plant Physiol., 56, 462-469.
No PubMed abstract available

Localization

Localization Comment Organism GeneOntology No. Textmining
cytosol
-
Prunus persica 5829
-

Metals/Ions

Metals/Ions Comment Organism Structure
Mg2+
-
Prunus persica

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
UDP-glucose + D-fructose Prunus persica
-
UDP + sucrose
-
r

Organism

Organism UniProt Comment Textmining
Prunus persica
-
var. nectarina, cv. Zao Hong Yan
-

Purification (Commentary)

Purification (Comment) Organism
native enzyme partially by gel filtration, ammonium sulfate fractionation, and dialysis Prunus persica

Source Tissue

Source Tissue Comment Organism Textmining
fruit SuSy activity increases dramatically during fruit maturation, while activity is low at the young fruit developmental stage, still lower at the endocarp hardening stage Prunus persica
-
phloem SuSy is specifically localized in the creous walled sieve element of the phloem Prunus persica
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
UDP-glucose + D-fructose
-
Prunus persica UDP + sucrose
-
r

Synonyms

Synonyms Comment Organism
SuSy
-
Prunus persica
UDP-D-Glc:D-Fru 2-alpha-glucosyltransferase
-
Prunus persica

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
30
-
assay at Prunus persica

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8.5
-
assay at Prunus persica

General Information

General Information Comment Organism
metabolism SuSy is the key enzyme of sucrose metabolism in fruit Prunus persica
physiological function SuSy activation is associated with the rapid accumulation of sucrose in peach fruit. In sink organs, SuSy displays typically the predominant sucrolytic activity Prunus persica