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Literature summary extracted from

  • Wurst, H.; Kornberg, A.
    A soluble exopolyphosphatase of Saccharomyces cerevisiae. Purification and characterization (1994), J. Biol. Chem., 269, 10996-11001.
    View publication on PubMed

General Stability

EC Number General Stability Organism
3.6.1.11 more than 90% loss of activity after freezing in liquid nitrogen and subsequent thawing Saccharomyces cerevisiae

Inhibitors

EC Number Inhibitors Comment Organism Structure
3.6.1.11 CHES buffer 20 mM Saccharomyces cerevisiae
3.6.1.11 MES buffer 20 mM Saccharomyces cerevisiae
3.6.1.11 spermidine 0.17 mM, 50% loss of activity Saccharomyces cerevisiae

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
3.6.1.11 0.000004
-
polyP250
-
Saccharomyces cerevisiae
3.6.1.11 0.000024
-
polyP100
-
Saccharomyces cerevisiae
3.6.1.11 0.00005
-
polyP500
-
Saccharomyces cerevisiae
3.6.1.11 0.00006
-
polyP50
-
Saccharomyces cerevisiae
3.6.1.11 0.00016
-
polyP25
-
Saccharomyces cerevisiae
3.6.1.11 0.0039
-
polyP10
-
Saccharomyces cerevisiae
3.6.1.11 0.14
-
tripolyphosphate
-
Saccharomyces cerevisiae

Metals/Ions

EC Number Metals/Ions Comment Organism Structure
3.6.1.11 Co2+ 2 mM CoCl2, 2.5fold stimulation Saccharomyces cerevisiae
3.6.1.11 Mg2+ 1-10 mM, about 7fold activation Saccharomyces cerevisiae
3.6.1.11 Mn2+ 1-10 mM, 3-5fold stimulation Saccharomyces cerevisiae

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
3.6.1.11 35000
-
gel filtration Saccharomyces cerevisiae
3.6.1.11 420000
-
1 * 420000, SDS-PAGE Saccharomyces cerevisiae

Organism

EC Number Organism UniProt Comment Textmining
3.6.1.11 Saccharomyces cerevisiae
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
3.6.1.11
-
Saccharomyces cerevisiae

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
3.6.1.11 additional information
-
-
Saccharomyces cerevisiae

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.6.1.11 (polyphosphate)n + H2O n = 10, 25, 50, 100, 250 or 500. n = 250 is the preferred substrate Saccharomyces cerevisiae (polyphosphate)n-1 + phosphate
-
?
3.6.1.11 polyP10 + H2O
-
Saccharomyces cerevisiae polyP9 + phosphate
-
?
3.6.1.11 polyP100 + H2O
-
Saccharomyces cerevisiae polyP99 + phosphate
-
?
3.6.1.11 polyP25 + H2O
-
Saccharomyces cerevisiae polyP24 + phosphate
-
?
3.6.1.11 polyP250 + H2O
-
Saccharomyces cerevisiae polyP249 + phosphate
-
?
3.6.1.11 polyP50 + H2O
-
Saccharomyces cerevisiae polyP49 + phosphate
-
?
3.6.1.11 polyP500
-
Saccharomyces cerevisiae polyP499 + phosphate
-
?
3.6.1.11 polyP500 + H2O
-
Saccharomyces cerevisiae polyP499 + phosphate
-
?
3.6.1.11 tripolyphosphate + H2O
-
Saccharomyces cerevisiae phosphate + ?
-
?

Subunits

EC Number Subunits Comment Organism
3.6.1.11 monomer 1 * 420000, SDS-PAGE Saccharomyces cerevisiae

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
3.6.1.11 47
-
-
Saccharomyces cerevisiae

Temperature Range [°C]

EC Number Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
3.6.1.11 30 53 30°C: about 30% of maximal activity, 53°C: about 40% of maximal activity Saccharomyces cerevisiae

Turnover Number [1/s]

EC Number Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
3.6.1.11 1
-
polyP500
-
Saccharomyces cerevisiae
3.6.1.11 1.2
-
polyP250
-
Saccharomyces cerevisiae
3.6.1.11 3.3
-
polyP100
-
Saccharomyces cerevisiae
3.6.1.11 8.4
-
polyP50
-
Saccharomyces cerevisiae
3.6.1.11 15
-
polyP25
-
Saccharomyces cerevisiae
3.6.1.11 63
-
polyP10
-
Saccharomyces cerevisiae
3.6.1.11 180
-
tripolyphosphate
-
Saccharomyces cerevisiae

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
3.6.1.11 6.8 8.8
-
Saccharomyces cerevisiae