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Literature summary for 2.7.4.14 extracted from

  • Anderson, E.P.
    UMP-CMP kinase from Tetrahymena pyriformis (1978), Methods Enzymol., 51, 331-337.
    View publication on PubMed

General Stability

General Stability Organism
three-fold dilution of a preparation of 0.2 mg of protein per ml results in less of 50% of the activity in 1 h Tetrahymena pyriformis

Inhibitors

Inhibitors Comment Organism Structure
CDP competitive withCMP Tetrahymena pyriformis

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.5
-
ATP
-
Tetrahymena pyriformis
0.8
-
CMP
-
Tetrahymena pyriformis
1.25
-
CMP
-
Tetrahymena pyriformis

Organism

Organism UniProt Comment Textmining
Tetrahymena pyriformis
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Tetrahymena pyriformis

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
27.5
-
-
Tetrahymena pyriformis

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
ATP + CMP
-
Tetrahymena pyriformis ADP + CDP
-
?
ATP + dCMP
-
Tetrahymena pyriformis ADP + dCDP
-
?
ATP + UMP
-
Tetrahymena pyriformis ADP + UDP
-
?
dATP + UMP dATP shows 10% of the activity with ATP Tetrahymena pyriformis dADP + ADP
-
?

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7 8
-
Tetrahymena pyriformis