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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

Natural Substrates Products

Natural Substrates Products on EC 3.2.1.67 - galacturonan 1,4-alpha-galacturonidase

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NATURAL SUBSTRATE
NATURAL PRODUCT
REACTION DIAGRAM
ORGANISM
UNIPROT
COMMENTARY
(Substrate) hide
LITERATURE
(Substrate)
COMMENTARY
(Product) hide
LITERATURE
(Product)
REVERSIBILITY
r=reversible
ir=irreversible
?=not specified
citric pectin + H2O
galacturonic acid + ?
show the reaction diagram
citrus pectin + H2O
galacturonic acid
show the reaction diagram
pectic acid + H2O
D-galacturonide + ?
show the reaction diagram
pectin + H2O
galacturonic acid + ?
show the reaction diagram
polygalacturonan + H2O
alpha-1,4-D-galacturonide + galacturonic acid
show the reaction diagram
polygalacturonic acid + H2O
galacturonic acid
show the reaction diagram
-
the enzyme can only catalyze a single reaction with each substrate, with the products being D-galacturonic acid and a polymer/oligomer containing one fewer D-galacturonic acid units than the substrate that was attacked
-
-
?
polygalacturonic acid + H2O
galacturonic acid + ?
show the reaction diagram
[(1->4)-alpha-D-galacturonide]n + H2O
[(1->4)-alpha-D-galacturonide]n-1 + D-galacturonate
show the reaction diagram
additional information
?
-