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Literature summary for 2.4.1.106 extracted from

  • Van Brederode, J.; Chopin, J.; Kamsteeg, J.; van Nigtevecht, G.; Heinsbroek, R.
    The pH dependent substrate specificity of UDP-fglucose:isovitexin 2'æ-O-glucosyltransferase (1979), Phytochemistry, 18, 655-656.
No PubMed abstract available
Search for more literature for 2.4.1.106

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.09
-
 isovitexin
-
 Silene latifolia subsp. alba
0.3
-
 UDPglucose reaction with isovitexin Silene latifolia subsp. alba
0.45
-
 isoorientin
-
 Silene latifolia subsp. alba
0.75
-
 UDPglucose reaction with isoorientin Silene latifolia subsp. alba

Organism

Organism UniProt Comment Textmining
Silene latifolia subsp. alba
-
-
-

Source Tissue

Source Tissue Comment Organism Textmining
leaf
-
 Silene latifolia subsp. alba
-
petal
-
 Silene latifolia subsp. alba
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
UDP-glucose + isoorientin
-
 Silene latifolia subsp. alba UDP + isoorientin 2''-O-beta-D-glucoside
-
 ?
UDP-glucose + isovitexin ionisation grade of substrates influences their binding to the enzyme Silene latifolia subsp. alba UDP + isovitexin 2''-O-beta-D-glucoside
-
 ?

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.5
-
 reaction with isoorientin Silene latifolia subsp. alba
8.5
-
 reaction with isovitexin Silene latifolia subsp. alba

pH Range

pH Minimum pH Maximum Comment Organism
6.5 8.5 pH 6.5: about 40% of maximal activity, pH 8.5: about 30% of maximal activity, reaction with isoorientin Silene latifolia subsp. alba
7.5 9.5 about 50% of maximal activity at pH 7.5 and at pH 9.5, reaction with isovitexin Silene latifolia subsp. alba