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S0937

Sigma-Aldrich

Sucrose Phosphorylase

recombinant, expressed in E. coli, lyophilized powder, ≥45 units/mg solid

Synonym(s):

SPase, disaccharide glucosyltransferase, sucrose glucosyltransferase, Sucrose:orthophosphate α-D-glucosytransferase

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About This Item

CAS Number:
Enzyme Commission number:
MDL number:
UNSPSC Code:
12352204
NACRES:
NA.54

recombinant

expressed in E. coli

form

lyophilized powder

specific activity

≥45 units/mg solid

mol wt

56 kDa by SDS-PAGE

shipped in

wet ice

storage temp.

−20°C

General description

Research area: Cell signaling
Sucrose Phosphorylase belongs to glycoside hydrolase, GH13 family. It comprises of four domains with the glucose anomeric carbon-binding site and a glucoside-binding site. The active site residues include Asp192 and Glu232. It is majorly produced by bifidobacteria and lactic acid bacteria. The cross-linked sucrose phosphorylase aggregates is thermostable and could be exploited for industrial catalysis of glycosylation.

Application

Sucrose Phosphorylase has been used in sucrose determination in wheat plant and in sucrose hydrogen production.
Sucrose phosphorylase has been used:

  • To assess the enzymatic synthesis of stable, odorless, and powdered furanone glucosides.
  • To investigate the novel transglucosylating reaction with carboxylic compounds.
  • In sucrose determination in wheat plant and in sucrose hydrogen production.

Biochem/physiol Actions

Sucrose phosphorylase catalyzes the reversible conversion of sucrose (α-D-glucopyranosyl-1,2-β-D-fructofuranoside) and phosphate into D-fructose and α-D-glucose 1-phosphate. This reaction plays a crucial role in generating the vital glucose component through sucrose metabolism.(1)

Unit Definition

One unit will produce 1.0 μmole of D-fructose from sucrose per min with the corresponding reduction of NADP to NADPH at pH 7.6, at 25 °C.

Physical form

Contains sucrose as stabilizer.

Pictograms

Health hazard

Signal Word

Danger

Hazard Statements

Precautionary Statements

Hazard Classifications

Resp. Sens. 1

Storage Class Code

11 - Combustible Solids

WGK

WGK 3


Certificates of Analysis (COA)

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Cloning and expression of the sucrose phosphorylase gene in Bacillus subtilis and synthesis of kojibiose using the recombinant enzyme
WangM, et al
Microbial cell factories, 17(1), 23-23 (2018)
Thornthan Sawangwan et al.
Organic & biomolecular chemistry, 7(20), 4267-4270 (2009-10-02)
Regioselective glucosylation of R-glycerate catalysed by sucrose phosphorylase in the presence of sucrose as the donor substrate provided the natural compatible solute (R)-2-O-alpha-D-glucopyranosyl glycerate with complete regioselectivity in an optimised synthetic yield of 90% R-glycerate converted and a concentration of
A Kasperowicz et al.
Journal of applied microbiology, 107(3), 812-820 (2009-03-27)
To verify the taxonomic affiliation of bacterium Butyrivibrio fibrisolvens strain A from our collection and to characterize its enzyme(s) responsible for digestion of sucrose. Comparison of the 16S rRNA gene of the bacterium with GenBank showed over 99% sequence identity
Mario Mueller et al.
FEBS letters, 581(20), 3814-3818 (2007-07-31)
Site-directed mutagenesis was used to examine the specificity of Leuconostoc mesenteroides sucrose phosphorylase for utilization of fructose and phosphate as leaving group/nucleophile of the reaction. The largest catalytic defect in Arg(137)-->Ala (approximately 60-fold) and Tyr(340)-->Ala (approximately 2500-fold) concerned phosphate dependent
Genotypic variation in water-soluble carbohydrate accumulation in wheat
Ruuska SA, et al.
Functional plant biology, 33(9), 799-809 (2006)

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