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3.2.1.82: exo-poly-alpha-digalacturonosidase

This is an abbreviated version!
For detailed information about exo-poly-alpha-digalacturonosidase, go to the full flat file.

Word Map on EC 3.2.1.82

Reaction

[(1->4)-alpha-D-galacturonosyl]n
+
H2O
=
alpha-D-galacturonosyl-(1->4)-D-galacturonate
 +
[(1->4)-alpha-D-galacturonosyl]n-2

Synonyms

Exo-PG, exo-PHase, exo-polygalacturonase, exopolygalacturanosidase, exopolygalacturonase, exopolygalacturonosidase, PGase I, PGI, PGII, polygalacturonase, polygalacturonate hydrolase, YeGH2

ECTree

     3 Hydrolases
         3.2 Glycosylases
             3.2.1 Glycosidases, i.e. enzymes that hydrolyse O- and S-glycosyl compounds
                3.2.1.82 exo-poly-alpha-digalacturonosidase

Natural Substrates Products

Natural Substrates Products on EC 3.2.1.82 - exo-poly-alpha-digalacturonosidase

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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
?
show the reaction diagram
-
PGase I is an exocellular enzyme releasing galacturonic acid as its principal hydrolysis product, it hydrolyzes digalacturonate, and it shows a higher affinity towards poly(1,4-alpha-D-galactosiduronate) than citric pectin
-
-
?
pectin + H2O
digalacturonate
show the reaction diagram
poly(1,4-alpha-D-galactosiduronate) + H2O
?
show the reaction diagram
-
i.e. PGA, PGase I is an exocellular enzyme releasing galacturonic acid as its principal hydrolysis product, it hydrolyzes digalacturonate, and it shows a higher affinity towards PGA than citric pectin
-
-
?