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Literature summary for 2.4.1.97 extracted from

  • Lienart, Y.; Comtat, J.; Barnoud, F.
    Wall-bound 1,3-beta-D-glucan:orthophosphate glucosyltransferase activity from Acacia cultured cells (1988), Plant Sci., 58, 165-170.
No PubMed abstract available

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.25
-
glucose
-
Acacia verek
0.34
-
laminaribiose phosphorolytic reaction Acacia verek
0.47
-
Laminarin phosphorolytic reaction Acacia verek
1.45
-
laminaribiose reaction with glucose 1-phosphate Acacia verek
1.7
-
Laminarin reaction with glucose 1-phosphate Acacia verek

Localization

Localization Comment Organism GeneOntology No. Textmining
cell wall bound Acacia verek 5618
-

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
(1,3-beta-D-glucosyl)n + phosphate Acacia verek enzyme may be a key factor in the regulation of cell-wall extension and build up by switching hydrolase and synthase activity in a balance dependent manner (1,3-beta-D-glucosyl)n-1 + alpha-D-glucose 1-phosphate
-
?

Organism

Organism UniProt Comment Textmining
Acacia verek
-
-
-

Source Tissue

Source Tissue Comment Organism Textmining
cell culture
-
Acacia verek
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
(1,3-beta-D-glucosyl)n + phosphate in 50 mM citrate-phosphate buffer, pH 6.5, the phosphorolytic cleavage of laminarin and laminaribiose can be observed. In 0.02 M imidazole buffer, pH 6.5, the phosphorylase equilibrium lies in the direction of the synthesis reaction, alpha-D-glucose-1-phosphate as glucosyl donor is incorporated into laminaribiose Acacia verek (1,3-beta-D-glucosyl)n-1 + alpha-D-glucose 1-phosphate
-
r
(1,3-beta-D-glucosyl)n + phosphate enzyme may be a key factor in the regulation of cell-wall extension and build up by switching hydrolase and synthase activity in a balance dependent manner Acacia verek (1,3-beta-D-glucosyl)n-1 + alpha-D-glucose 1-phosphate
-
?
laminaribiose + glucose 1-phosphate in 50 mM citrate-phosphate buffer, pH 6.5, the phosphorolytic cleavage of laminarin and laminaribiose can be observed. In 0.02 M imidazole buffer, pH 6.5, the phosphorylase equilibrium lies in the direction of the synthesis reaction, alpha-D-glucose-1-phosphate as glucosyl donor is incorporated into laminaribiose Acacia verek phosphate + laminarin
-
r