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Literature summary for 3.6.1.11 extracted from

  • Andreeva, N.A.; Kulakovskaya, T.V.; Kualev, I.S.
    Purification and properties of exopolyphosphatase isolated from Saccharomyces cerevisiae vacuoles (1998), FEBS Lett., 429, 194-196.
    View publication on PubMed

Activating Compound

Activating Compound Comment Organism Structure
arginine stimulates Saccharomyces cerevisiae

Inhibitors

Inhibitors Comment Organism Structure
diphosphate 1 mM, 48% inhibition Saccharomyces cerevisiae
EDTA
-
Saccharomyces cerevisiae
heparin
-
Saccharomyces cerevisiae
iodoacetamide 10 mM, 2% inhibition Saccharomyces cerevisiae
Mg2+ 0.05 mM, 30% inhibition in a reaction mixture containing Co2+ at its optimal concentration Saccharomyces cerevisiae
NaF 10 mM, 20% inhibition Saccharomyces cerevisiae
tripolyphosphate 1 mM, 62% inhibition Saccharomyces cerevisiae
Zn2+ 0.05 mM, 71% inhibition in a reaction mixture containing Co2+ at its optimal concentration Saccharomyces cerevisiae

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.0024
-
polyP208
-
Saccharomyces cerevisiae
0.093
-
polyP15
-
Saccharomyces cerevisiae

Localization

Localization Comment Organism GeneOntology No. Textmining
vacuole
-
Saccharomyces cerevisiae 5773
-

Metals/Ions

Metals/Ions Comment Organism Structure
Co2+ stimulated by divalent cations, Co2+ is the best stimulator, 6fold at 0.05 mM Saccharomyces cerevisiae
Mg2+ stimulates Saccharomyces cerevisiae
Zn2+ stimulates Saccharomyces cerevisiae

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
55000
-
4 * 55000, SDS-PAGE Saccharomyces cerevisiae
245000
-
gel filtration Saccharomyces cerevisiae

Organism

Organism UniProt Comment Textmining
Saccharomyces cerevisiae
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Saccharomyces cerevisiae

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
60
-
-
Saccharomyces cerevisiae

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
(polyphosphate)n + H2O the activity with polyP15 is 85% of that with polyP208, the activity with polyP9 is 24% of that with polyP208 Saccharomyces cerevisiae (polyphosphate)n-1 + phosphate
-
?
adenosine 5'-tetraphosphate + H2O 7.3% of the activity with polyP208 Saccharomyces cerevisiae ATP + phosphate
-
?
polyP15 + H2O
-
Saccharomyces cerevisiae polyP14 + phosphate
-
?
polyP208 + H2O
-
Saccharomyces cerevisiae polyP207 + phosphate
-
?
tripolyphosphate + H2O 7.3% of the activity with polyP208 Saccharomyces cerevisiae phosphate + ?
-
?

Subunits

Subunits Comment Organism
tetramer 4 * 55000, SDS-PAGE Saccharomyces cerevisiae

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7
-
about Saccharomyces cerevisiae