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3.2.1.67: galacturonan 1,4-alpha-galacturonidase

This is an abbreviated version!
For detailed information about galacturonan 1,4-alpha-galacturonidase, go to the full flat file.

Word Map on EC 3.2.1.67

Reaction

[(1->4)-alpha-D-galacturonide]n
+
H2O
=
[(1->4)-alpha-D-galacturonide]n-1
+
D-galacturonate

Synonyms

alkaline exo-polygalacturonase, carrot exopolygalacturonase, CbPelA, corn pollen polygalacturonase, EPG, exo polygalacturonase, exo-D-galacturonanase, exo-D-galacturonase, Exo-PG, exo-PGase, exo-PGI, exo-PGII, exo-PGU B, exo-poly alpha galactouronosidase, exo-polygalacturonanase, exo-polygalacturonase, exolytic PGase, exoPG, exoPG1, exoPG2, exoPGase, exopoly-D-galacturonase, exopolygalacturonanase, exopolygalacturonase, exopolygalacturonase B, exopolygalacturonase X, Galacturan 1,4-alpha-galacturonidase, GH28, macerating enzyme, More, MpPG1, MpPG3, oligogalacturonate hydrolase, peach exopolygalacturonase, PECI, pectinase, PelB, PG III, PGase, PGase I, PGC2, PGC3, PGI, poly 1,4-alpha-D-galacturonide-galacturonohydrolase, Poly(1,4-alpha-D-galacturonide)galacturonohydrolase, poly(galacturonate)hydrolase, poly-(1-4)-alpha-D-galactosiduronate glycanohydrolase, polygalacturonanase, polygalacturonase, polymethylgalacturonase, RPG15, RPG16, SSXPG1, SSXPG2, TM0437, TmGalU, YeGH2

ECTree

     3 Hydrolases
         3.2 Glycosylases
             3.2.1 Glycosidases, i.e. enzymes that hydrolyse O- and S-glycosyl compounds
                3.2.1.67 galacturonan 1,4-alpha-galacturonidase

pH Stability

pH Stability on EC 3.2.1.67 - galacturonan 1,4-alpha-galacturonidase

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pH STABILITY
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
1.5 - 6.8
under simulated alimentary tract conditions, the enzyme is very stable and active showing over 25% activity from pH 1.5 to pH 6.8
731495
2 - 12
purified recombinant His-tagged enzyme, 37°C, 1 h, over 30% activity remaining
731495
3
-
purified recombinant wild-type full-length enzyme and catalytic domain of polygalacturonase, 37°C, loss of 50% activity after 1 h
729080
3 - 10
-
the enzyme retains more than 90% activity up to 180 min at pH 3.0-10.0
750608
3 - 11
3 - 6
3 - 6.5
3 - 9
3.5 - 6
-
purified recombinant wild-type full-length enzyme and catalytic domain of polygalacturonase, 37°C, completely stable at
729080
3.5 - 6.5
-
-
136790
3.5 - 7
-
-
136774
3.5 - 9.5
3.8 - 8
-
purified PGase I, stable
710031
4
-
stable at
678988
4 - 5
4 - 5.5
-
purified enzyme, 1 h, stable at
730876
4.5 - 6
5 - 10
-
after incubation of the enzyme for 30 min at pH ranging from 5.0 to 10.0, no significant loss of the original enzyme activity is observed
751702
5 - 12
-
purified enzyme, 24 h, almost completely stable at
731416
5 - 5.5
-
purified recombinant His-tagged enzyme, 80% activity remaining
729857
5.2
-
-
136785
7 - 10
-
stable
682497
7 - 11.5
-
-
655011
8
-
purified recombinant wild-type full-length enzyme and catalytic domain of polygalacturonase, 37°C, inactivation after 1 h
729080
additional information
-
stable in neutral and alkaline media
709377