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Literature summary for 3.1.3.3 extracted from

  • Neuhaus, F.C.; Byrne, W.L.
    Metabolism of phosphoserine. II. Purification and properties of O-phosphoserine phosphatase (1959), J. Biol. Chem., 234, 113-121.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
Ca2+
-
Gallus gallus
Cd2+
-
Gallus gallus
Cu2+
-
Gallus gallus
F-
-
Gallus gallus
iodoacetate
-
Gallus gallus
p-chloromercuribenzoate
-
Gallus gallus

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.058
-
L-phosphoserine
-
Gallus gallus
0.11
-
DL-phosphoserine
-
Gallus gallus
4.2
-
D-phosphoserine
-
Gallus gallus

Metals/Ions

Metals/Ions Comment Organism Structure
Co2+ divalent cation required Gallus gallus
Fe2+ can substitute for Mg2+ in activation Gallus gallus
Mg2+ required Gallus gallus
Ni2+ can substitute for Mg2+ in activation Gallus gallus
Zn2+ can substitute for Mg2+ in activation Gallus gallus

Organism

Organism UniProt Comment Textmining
Gallus gallus
-
-
-

Purification (Commentary)

Purification (Comment) Organism
partially Gallus gallus

Source Tissue

Source Tissue Comment Organism Textmining
liver
-
Gallus gallus
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
0.018
-
-
Gallus gallus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
4-nitrophenylphosphate + H2O
-
Gallus gallus 4-nitrophenol + phosphate
-
?
D-phosphoserine + H2O
-
Gallus gallus D-Ser + phosphate
-
?
DL-phosphoserine + H2O
-
Gallus gallus DL-Ser + phosphate
-
?
L-phosphoserine + H2O
-
Gallus gallus L-Ser + phosphate
-
?

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
5 6.6
-
Gallus gallus