Any feedback?
Please rate this page
(literature.php)
(0/150)

BRENDA support

Literature summary for 3.2.1.15 extracted from

  • Pressey, R.; Avants, J.K.
    Two forms of polygalacturonase in tomatoes (1973), Biochim. Biophys. Acta, 309, 363-369.
    View publication on PubMed
Search for more literature for 3.2.1.15

Metals/Ions

Metals/Ions Comment Organism Structure
Na+ maximal activity of polygalacturonase I in presence of 0.2 M NaCl, maximal activation of polygalacturonase II in presence of 0.3 M NaCl. NaCl activates at pH-values below 6 Solanum lycopersicum

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
44000
-
 polygalacturonase I, gel filtration Solanum lycopersicum
84000
-
 polygalacturonase I, gel filtration Solanum lycopersicum

Organism

Organism UniProt Comment Textmining
Solanum lycopersicum
-
 polygalacturonase I and II
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
polygalacturonate + H2O
-
 Solanum lycopersicum oligogalacturonates
-
 ?

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
57
-
 50% inactivation after 5 min, polygalacturonase II Solanum lycopersicum
65
-
 polygalacturonase II, complete inactivation after 5 min Solanum lycopersicum
78
-
 50% inactivation after 5 min, polygalacturonase I Solanum lycopersicum
90
-
 complete inactivation of polygalacturonase II after 5 min Solanum lycopersicum

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
4.5
-
 hydrolysis of pectic acid Solanum lycopersicum

pH Stability

pH Stability pH Stability Maximum Comment Organism
4.3
-
 polygalacturonase I is most stable at Solanum lycopersicum
5.6
-
 polygalacturonase II is most stable at Solanum lycopersicum