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ENZYME entry: EC

Accepted Name
Alpha,alpha-trehalose synthase.
Alternative Name(s)
Trehalose synthase.
Trehalose synthetase.
Reaction catalysed
NDP-alpha-D-glucose + D-glucose <=> alpha,alpha-trehalose + NDP
  • The enzyme-catalyzed reaction is reversible.
  • In the reverse direction to that shown above, the enzyme is specific for alpha,alpha-trehalose as substrate, as it cannot use alpha- or beta-paranitrophenyl glucosides, maltose, sucrose, lactose or cellobiose.
  • While the enzymes from the thermophilic bacterium Rubrobacter xylanophilus and the hyperthermophilic archaeon Pyrococcus horikoshii can use ADP-, UDP- and GDP-alpha-D-glucose to the same extent, that from the hyperthermophilic archaeon Thermococcus litoralis has a marked preference for ADP-alpha-D-glucose and that from the hyperthermophilic archaeon Thermoproteus tenax has a marked preference for UDP-alpha-D-glucose.
  • Formerly EC 2.4.1.n1.
PRIAM enzyme-specific profiles2.4.1.245
KEGG Ligand Database for Enzyme Nomenclature2.4.1.245
IUBMB Enzyme Nomenclature2.4.1.245
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All UniProtKB/Swiss-Prot entries referenced in this entry, with possibility to download in different formats, align etc.
All ENZYME / UniProtKB/Swiss-Prot entries corresponding to 2.4.1.-
All ENZYME / UniProtKB/Swiss-Prot entries corresponding to 2.4.-.-
All ENZYME / UniProtKB/Swiss-Prot entries corresponding to 2.-.-.-