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Literature summary for 2.4.1.30 extracted from

  • Marechal, L.R.
    beta-1,3-Oligoglucan: orthophosphate glucosyltransferases from Euglena gracilis. II. Comparative studies between laminaribiose- and beta-1,3-oligoglucan phosphorylase (1967), Biochim. Biophys. Acta, 146, 431-442.
    View publication on PubMed

Activating Compound

Activating Compound Comment Organism Structure
2-mercaptoethanol activation Euglena gracilis
additional information absolute requirement for sulfhydryl groups Euglena gracilis

Inhibitors

Inhibitors Comment Organism Structure
hydroquinone strongly inhibits in absence of 2-mercaptoethanol Euglena gracilis
iodoacetate
-
Euglena gracilis
p-mercuribenzoate strong inhibition Euglena gracilis

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
(1,3-beta-D-glucosyl)n-1 + alpha-D-glucose 1-phosphate Euglena gracilis
-
(1,3-beta-D-glucosyl)n + phosphate
-
r

Organism

Organism UniProt Comment Textmining
Euglena gracilis
-
-
-

Source Tissue

Source Tissue Comment Organism Textmining

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
(1,3-beta-D-glucosyl)n-1 + alpha-D-glucose 1-phosphate
-
Euglena gracilis (1,3-beta-D-glucosyl)n + phosphate
-
r
alpha-phenylglucoside + alpha-D-glucose 1-phosphate very low activity Euglena gracilis 1,3-beta-D-glucosyl-alpha-phenylglucoside + phosphate
-
r
D-glucose + alpha-D-glucose 1-phosphate
-
Euglena gracilis laminaribiose + phosphate
-
r
laminaribiose + alpha-D-glucose 1-phosphate
-
Euglena gracilis laminaritriose + phosphate
-
r
laminaribiose + phosphate
-
Euglena gracilis D-glucose + alpha-D-glucose 1-phosphate
-
r
laminaribiosyl-p-hydroquinone + alpha-D-glucose 1-phosphate
-
Euglena gracilis laminaritriosyl-p-hydroquinone + phosphate
-
r
laminaribiosyl-saligenin + alpha-D-glucose 1-phosphate best acceptor Euglena gracilis laminaritriosyl-saligenin + phosphate
-
r
laminaripentaose + phosphate
-
Euglena gracilis laminaritetraose + alpha-D-glucose 1-phosphate
-
r
laminaritetraose + alpha-D-glucose 1-phosphate low activity Euglena gracilis laminaripentaose + phosphate
-
r
laminaritetraose + phosphate
-
Euglena gracilis laminaritriose + alpha-D-glucose 1-phosphate
-
r
laminaritetraosyl-saligenin + alpha-D-glucose 1-phosphate low activity Euglena gracilis laminaripentaosyl-saligenin + phosphate
-
r
laminaritriosyl-p-hydroquinone + alpha-D-glucose 1-phosphate low activity Euglena gracilis laminaritetraosyl-p-hydroquinone + phosphate
-
r
laminaritriosyl-saligenin + alpha-D-glucose 1-phosphate low activity Euglena gracilis laminaritetraosyl-saligenin + phosphate
-
?
additional information EC 2.4.1.30 and EC 2.4.1.31 catalyze the same reaction but with different quantitative specificities, EC 2.4.1.30 phosphorolyzes laminaritriose and higher homologues at a greater rate than laminaribiose, while the opposite behavior is observed with EC 2.4.1.31 i.e. laminaribiose phosphorylase Euglena gracilis ?
-
?
additional information alpha-methylglucoside and laminarin are no acceptors Euglena gracilis ?
-
?

Synonyms

Synonyms Comment Organism
More EC 2.4.1.30 and EC 2.4.1.31 catalyze the same reaction but with different quantitative specificity, EC 2.4.1.30 phosphorolyzes laminaritriose and higher homologues at a greater rate than laminaribiose, while the opposite behavior is observed with EC 2.4.1.31 i.e. laminaribiose phosphorylase Euglena gracilis