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Literature summary extracted from

  • Macechko, P.T.; Steimle, P.A.; Lindmark, D.G.; Erlandsen, S.L.; Jarroll, E.L.
    Galactosamine-synthesizing enzymes are induced when Giardia encysts (1992), Mol. Biochem. Parasitol., 56, 301-310.
    View publication on PubMed

Activating Compound

EC Number Activating Compound Comment Organism Structure
5.4.2.3 glucose 1,6-diphosphate required, Km: 0.03 mM Giardia intestinalis

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
5.1.3.7 0.0011
-
UDP-N-acetylglucosamine
-
Giardia intestinalis
5.1.3.7 0.0114
-
UDP-N-acetylgalactosamine
-
Giardia intestinalis
5.4.2.3 0.7
-
N-acetyl-alpha-D-glucosamine 1-phosphate
-
Giardia intestinalis

Metals/Ions

EC Number Metals/Ions Comment Organism Structure
5.4.2.3 Mg2+ required, Km: 1.2 mM Giardia intestinalis

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
5.4.2.3 N-Acetylglucosamine 6-phosphate Giardia intestinalis enzyme is involved in galactosamine synthesis from glucose during encystment, induced during encystment ?
-
?
5.4.2.3 N-Acetylglucosamine 6-phosphate Giardia intestinalis MR4 enzyme is involved in galactosamine synthesis from glucose during encystment, induced during encystment ?
-
?

Organism

EC Number Organism UniProt Comment Textmining
5.1.3.7 Giardia intestinalis
-
-
-
5.4.2.3 Giardia intestinalis
-
-
-
5.4.2.3 Giardia intestinalis MR4
-
-
-

Source Tissue

EC Number Source Tissue Comment Organism Textmining
5.1.3.7 trophozoite encysting trophozoite, enzyme responsible for galactosamine synthesis from glucose, induced during encystment Giardia intestinalis
-
5.4.2.3 cyst induced during encystment Giardia intestinalis
-
5.4.2.3 trophozoite
-
Giardia intestinalis
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
5.1.3.7 UDP-N-acetyl-D-glucosamine r Giardia intestinalis UDP-N-acetyl-D-galactosamine
-
?
5.1.3.7 UDP-N-acetyl-D-glucosamine r Giardia intestinalis MR4 UDP-N-acetyl-D-galactosamine
-
?
5.4.2.3 N-acetyl-alpha-D-glucosamine 1-phosphate
-
Giardia intestinalis N-acetyl-D-glucosamine 6-phosphate
-
?
5.4.2.3 N-acetyl-alpha-D-glucosamine 1-phosphate
-
Giardia intestinalis MR4 N-acetyl-D-glucosamine 6-phosphate
-
?
5.4.2.3 N-Acetylglucosamine 6-phosphate enzyme is involved in galactosamine synthesis from glucose during encystment, induced during encystment Giardia intestinalis ?
-
?
5.4.2.3 N-Acetylglucosamine 6-phosphate enzyme is involved in galactosamine synthesis from glucose during encystment, induced during encystment Giardia intestinalis MR4 ?
-
?

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
5.1.3.7 7
-
-
Giardia intestinalis
5.4.2.3 8
-
-
Giardia intestinalis