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Literature summary for 5.1.3.2 extracted from

  • Dey, P.M.
    UDP-galactose 4'-epimerase from Vicia faba seeds (1984), Phytochemistry, 23, 729-732.
No PubMed abstract available
Search for more literature for 5.1.3.2

Inhibitors

Inhibitors Comment Organism Structure
NADH
-
 Vicia faba

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.12
-
 UDPgalactose
-
 Vicia faba
0.25
-
 UDPglucose
-
 Vicia faba

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
78000
-
 gel filtration Vicia faba

Organism

Organism UniProt Comment Textmining
Vicia faba
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
 Vicia faba

Source Tissue

Source Tissue Comment Organism Textmining
seed
-
 Vicia faba
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
7.9
-
-
 Vicia faba

Storage Stability

Storage Stability Organism
-20°C, pH 8, stable in presence of glycerol for 2 months Vicia faba

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
UDP-galactose r Vicia faba UDP-glucose
-
 ?

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
9.5
-
-
 Vicia faba

pH Range

pH Minimum pH Maximum Comment Organism
7.6 9.5 7.6: about 25% of maximal activity, 9.5: maximal activity Vicia faba

pH Stability

pH Stability pH Stability Maximum Comment Organism
7
-
 unstable below Vicia faba

Cofactor

Cofactor Comment Organism Structure
NAD+ exogenous NAD+ is not required for activity, but removal causes inactivation Vicia faba