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Literature summary for 3.2.1.10 extracted from

  • Toda, M.; Kawabata, J.; Kasai, T.
    Inhibitory effects of ellagi- and gallotannins on rat intestinal alpha-glucosidase complexes (2001), Biosci. Biotechnol. Biochem., 65, 542-547.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
1,2,3-tri-O-galloyl-beta-D-glucose about 20% inhibition at 1 mM Rattus norvegicus
1-O-Galloyl-beta-D-glucose about 15% inhibition at 1 mM, 34.4% inhibition at 5 mM Rattus norvegicus
1-O-methyl-2,3-di-O-galloyl-beta-D-glucose about 10% inhibition at 1 mM Rattus norvegicus
casuarictin ellagtannin, from flower buds of Syzygium aromaticum, about 16% inhibition at 1 mM Rattus norvegicus
eugeniin ellagtannin, from flower buds of Syzygium aromaticum, about 18% inhibition at 1 mM Rattus norvegicus
gallic acid 8% inhibition at 5mM Rattus norvegicus
additional information structure-activity relationship study of inhibitors, inhibitory effect of the inhibitors on the different enzyme activities, such as maltase, sucrase and isomaltase activity, overview, an increasing number of galloyl units in the molecule leads to an increase in inhibitory potency Rattus norvegicus
penta-O-galloyl-beta-D-glucose about 40% inhibition at 1-5 mM Rattus norvegicus

Localization

Localization Comment Organism GeneOntology No. Textmining
membrane
-
Rattus norvegicus 16020
-

Organism

Organism UniProt Comment Textmining
Rattus norvegicus
-
enzyme complex of sucrase and isomaltase integrated into the intestinal alpha-glucosidase function with the complex of maltase-glucoamylase
-

Purification (Commentary)

Purification (Comment) Organism
purification of the enzyme complex from rat intestinal acetone powder, by solubilization with Triton X-100, gel filtration, dialysis, ion exchange chromatography, and preparative PAGE Rattus norvegicus

Source Tissue

Source Tissue Comment Organism Textmining
intestine
-
Rattus norvegicus
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
4-methylumbelliferyl beta-D-glucoside + H2O
-
Rattus norvegicus 4-methylumbelliferol + beta-D-glucose
-
?
sucrose + H2O
-
Rattus norvegicus D-fructose + D-glucose
-
?

Synonyms

Synonyms Comment Organism
S-I
-
Rattus norvegicus
sucrase-isomaltase
-
Rattus norvegicus