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Literature summary extracted from

  • Massa, C.; Degrassi, G.; Devescovi, G.; Venturi, V.; Lamba, D.
    Isolation, heterologous expression and characterization of an endo-polygalacturonase produced by the phytopathogen Burkholderia cepacia (2007), Protein Expr. Purif., 54, 300-308.
    View publication on PubMed

Cloned(Commentary)

EC Number Cloned (Comment) Organism
3.2.1.15 into plasmid pET22b and transformed into Escherichia coli strain DH5alpha, expressed in Escherichia coli BL21(DE3) cells Burkholderia cepacia

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
3.2.1.15 periplasm
-
Burkholderia cepacia
-
-

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
3.2.1.15 40000
-
gel filtration, wild-type Burkholderia cepacia
3.2.1.15 45000
-
gel filtration, recombinant protein in solution Burkholderia cepacia
3.2.1.15 47000
-
1 * 47000, purified enzyme, SDS-PAGE Burkholderia cepacia

Organism

EC Number Organism UniProt Comment Textmining
3.2.1.15 Burkholderia cepacia P94293 strain ATCC 25416
-

Purification (Commentary)

EC Number Purification (Comment) Organism
3.2.1.15 to homogeneity, 5.8fold by cation exchange chromatography and gel filtration Burkholderia cepacia

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
3.2.1.15 3.6
-
supernatant Burkholderia cepacia
3.2.1.15 21.1
-
5.8fold purified enzyme Burkholderia cepacia

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.2.1.15 polygalacturonic acid + H2O
-
Burkholderia cepacia ?
-
?

Subunits

EC Number Subunits Comment Organism
3.2.1.15 monomer 1 * 47000, purified enzyme, SDS-PAGE Burkholderia cepacia

Synonyms

EC Number Synonyms Comment Organism
3.2.1.15 endo-polygalacturonase
-
Burkholderia cepacia
3.2.1.15 endoPG
-
Burkholderia cepacia
3.2.1.15 PehA
-
Burkholderia cepacia

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
3.2.1.15 additional information
-
exhibits a relatively flat activity profile in a broad temperature interval, displaying an optimal activity in the temperature interval of 40-55°C Burkholderia cepacia

Temperature Stability [°C]

EC Number Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
3.2.1.15 additional information
-
the enzyme is thermolabile, being completely inactivated if kept at 50°C for 2 h Burkholderia cepacia

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
3.2.1.15 3.5
-
-
Burkholderia cepacia

pI Value

EC Number Organism Comment pI Value Maximum pI Value
3.2.1.15 Burkholderia cepacia purified enzyme under native conditions
-
7.8