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Literature summary for 5.1.3.16 extracted from

  • Maxwell, E.S.
    The enzymic interconversion of uridine diphosphogalactose and uridine diphosphoglucose (1957), J. Biol. Chem., 229, 139-151.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
NADH
-
Bos taurus
PCMB
-
Bos taurus

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.05
-
UDPgalactose
-
Bos taurus
0.09
-
UDPglucose
-
Bos taurus

Organism

Organism UniProt Comment Textmining
Bos taurus
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Bos taurus

Source Tissue

Source Tissue Comment Organism Textmining
liver
-
Bos taurus
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
additional information
-
16200 U/mg, measured as increase of extinction at 340 nm of 0.001/min, with UDPglucose dehydrogenase and NAD+ Bos taurus

Storage Stability

Storage Stability Organism
-20°C, 0.5 M glycylglycine buffer, pH 7.5, 1-2 weeks stable Bos taurus
-20°C, lyophilized, stable for at least 3 months Bos taurus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
UDP-galactose
-
Bos taurus UDP-glucose
-
?

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8 9.6
-
Bos taurus

Cofactor

Cofactor Comment Organism Structure
NAD+ dependent on catalytic amounts, Km: 0.0002 mM, not replaceable by NADH Bos taurus