Any feedback?
Please rate this page
(literature.php)
(0/150)

BRENDA support

Literature summary for 3.2.1.108 extracted from

  • Hermida, C.; Corrales, G.; Martinez-Costa, O.H.; Fernandez-Mayoralas, A.; Aragon, J.J.
    Noninvasive evaluation of intestinal lactase with 4-galactosylxylose: comparison with 3- and 2-galactosylxylose and optimization of the method in rats (2006), Clin. Chem., 52, 270-277.
    View publication on PubMed
Search for more literature for 3.2.1.108

Inhibitors

Inhibitors Comment Organism Structure
D-glucal 40% inhibition for 4-O-beta-D-galactopyranosyl-D-xylose and 75% inhibition for 3-O-beta-D-galactopyranosyl-D-xylose at 100 mM D-glucal, no increase of inhibition above 100 mM D-glucal Rattus norvegicus

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
8.5
-
 3-O-beta-D-galactopyranosyl-D-xylose 100 mM sodium maleate buffer, pH 6.0, 25°C Rattus norvegicus
17.9
-
 lactose 100 mM sodium malaete buffer, pH 6.0, 25°C Rattus norvegicus
22.2
-
 2-O-beta-D-galactopyranosyl-D-xylose 100 mM sodium maleate buffer, pH 6.0, 25°C Rattus norvegicus
58.8
-
 4-O-beta-D-galactopyranosyl-D-xylose 100 mM sodium maleate buffer, pH 6.0, 25°C Rattus norvegicus

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
lactose + H2O Rattus norvegicus
-
 D-galactose + D-glucose
-
 ?

Organism

Organism UniProt Comment Textmining
Rattus norvegicus
-
-
-

Source Tissue

Source Tissue Comment Organism Textmining
small intestine
-
 Rattus norvegicus
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2-O-beta-D-galactopyranosyl-D-xylose + H2O
-
 Rattus norvegicus D-galactose + D-xylose
-
 ?
3-O-beta-D-galactopyranosyl-D-xylose + H2O
-
 Rattus norvegicus D-galactose + D-xylose
-
 ?
4-O-beta-D-galactopyranosyl-D-xylose + H2O
-
 Rattus norvegicus D-galactose + D-xylose
-
 ?
lactose + H2O
-
 Rattus norvegicus D-galactose + D-glucose
-
 ?

Synonyms

Synonyms Comment Organism
lactase phlorizin hydrolase
-
 Rattus norvegicus