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Literature summary extracted from

  • Pressey, R.
    Exopolygalacturonase in tomato fruit (1987), Phytochemistry, 26, 1867-1870.
No PubMed abstract available

Inhibitors

EC Number Inhibitors Comment Organism Structure
3.2.1.67 Cd2+
-
 Solanum lycopersicum
3.2.1.67 citrate
-
 Solanum lycopersicum
3.2.1.67 EDTA
-
 Solanum lycopersicum
3.2.1.67 Hg2+
-
 Solanum lycopersicum
3.2.1.67 Na+
-
 Solanum lycopersicum

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
3.2.1.67 47000
-
 gel filtration Solanum lycopersicum

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
3.2.1.67 pectic acid + H2O Solanum lycopersicum
-
 D-galacturonide + ?
-
 ?

Organism

EC Number Organism UniProt Comment Textmining
3.2.1.67 Solanum lycopersicum
-
 tomato
-

Purification (Commentary)

EC Number Purification (Comment) Organism
3.2.1.67
-
 Solanum lycopersicum

Source Tissue

EC Number Source Tissue Comment Organism Textmining
3.2.1.67 fruit
-
 Solanum lycopersicum
-

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
3.2.1.67 35.3
-
-
 Solanum lycopersicum

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.2.1.67 (1,4-alpha-D-galacturonide)2 + H2O slowly, reaction rate increases with increasing galacturonan chain length Solanum lycopersicum D-galacturonic acid
-
 ?
3.2.1.67 (1,4-alpha-D-galacturonide)3 + H2O
-
 Solanum lycopersicum galacturonic acid
-
 ?
3.2.1.67 (1,4-alpha-D-galacturonide)4 + H2O
-
 Solanum lycopersicum (1,4-alpha-D-galacturonide)3 + D-galacturonic acid
-
 ?
3.2.1.67 (1,4-alpha-D-galacturonide)5 + H2O
-
 Solanum lycopersicum D-galacturonic acid + (1,4-alpha-D-galacturonide)2 + (1,4-alpha-D-galacturonide)3 + (1,4-alpha-D-galacturonide)4
-
 ?
3.2.1.67 (1,4-alpha-D-galacturonide)n + H2O polygalacturonic acid I, II, III Solanum lycopersicum D-galacturonate + digalacturonic acid + trigalacturonic acid
-
 ?
3.2.1.67 pectic acid + H2O
-
 Solanum lycopersicum D-galacturonic acid + ?
-
 ?
3.2.1.67 pectic acid + H2O
-
 Solanum lycopersicum D-galacturonide + ?
-
 ?

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
3.2.1.67 4.5 5.5 polygalacturonate Solanum lycopersicum
3.2.1.67 5
-
-
 Solanum lycopersicum