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Literature summary for 2.7.7.64 extracted from

  • Dai, N.; Petreikov, M.; Portnoy, V.; Katzir, N.; Pharr, D.M.; Schaffer, A.A.
    Cloning and expression analysis of a UDP-galactose/glucose pyrophosphorylase from melon fruit provides evidence for the major metabolic pathway of galactose metabolism in raffinose oligosaccharide metabolizing plants (2006), Plant Physiol., 142, 294-304.
    View publication on PubMedView publication on EuropePMC

Cloned(Commentary)

Cloned (Comment) Organism
expressed in Escherichia coli Cucumis melo

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.14
-
UDP-glucose
-
Cucumis melo
0.27
-
alpha-D-glucose 1-phosphate
-
Cucumis melo
0.43
-
alpha-D-galactose 1-phosphate
-
Cucumis melo
0.44
-
UDP-galactose
-
Cucumis melo

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
68000
-
SDS-PAGE Cucumis melo

Organism

Organism UniProt Comment Textmining
Cucumis melo Q0GZS3 group Reticulatus, cultivar Noy Yizre’el
-

Purification (Commentary)

Purification (Comment) Organism
MonoQ HR 5/5 column chromatography Cucumis melo

Source Tissue

Source Tissue Comment Organism Textmining
fruit
-
Cucumis melo
-
ovary
-
Cucumis melo
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
223
-
with UDP-glucose as a substrate Cucumis melo
233
-
with alpha-D-galactose 1-phosphate as a substrate Cucumis melo
410
-
with alpha-D-glucose 1-phosphate as a substrate Cucumis melo
678
-
with UDP-galactose as a substrate Cucumis melo

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
UTP + alpha-D-galactose 1-phosphate
-
Cucumis melo diphosphate + UDP-galactose
-
r
UTP + alpha-D-glucose 1-phosphate
-
Cucumis melo diphosphate + UDP-glucose
-
r

Synonyms

Synonyms Comment Organism
UDP-Gal/Glc PPase
-
Cucumis melo
UDP-galactose/glucose pyrophosphorylase
-
Cucumis melo
UGGPase
-
Cucumis melo