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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

Temperature Range

Temperature Range on EC 3.2.1.67 - galacturonan 1,4-alpha-galacturonidase

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TEMPERATURE RANGE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
0 - 70
activity range, recombinant enzyme
10 - 50
the enzyme retains more than 50% activity at 10-50°C
20 - 70
-
PGase I
30 - 50
30 - 60
30 - 70
-
more than 60% activity between 30 and 70°C
35 - 65
-
35°C: about 65% of maximal activity, 65°C: about 50% of maximal activity
35 - 70
35 - 75
-
activity range, profile, overview
45 - 65
50 - 70
-
the enzyme maintains 65% of the maximum activity at 50°C and about 30% at 70°C
60
-
not active above, digalacturonate
65 - 75
-
over 90% of maximal activity within this range
73 - 95
73°C: 25% of maximal activity, 95°C: about 75% of maximal activity