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3.5.1.38: glutamin-(asparagin-)ase

This is an abbreviated version!
For detailed information about glutamin-(asparagin-)ase, go to the full flat file.

Word Map on EC 3.5.1.38

Reaction

L-glutamine
+
H2O
=
L-glutamate
+
NH3

Synonyms

asparaginase A, asparaginase B, glutaminase-asparaginase, glutaminase/asparaginase, periplasmic glutaminase/asparaginase, PGA

ECTree

     3 Hydrolases
         3.5 Acting on carbon-nitrogen bonds, other than peptide bonds
             3.5.1 In linear amides
                3.5.1.38 glutamin-(asparagin-)ase

Substrates Products

Substrates Products on EC 3.5.1.38 - glutamin-(asparagin-)ase

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SUBSTRATE
PRODUCT                       
REACTION DIAGRAM
ORGANISM
UNIPROT
COMMENTARY
(Substrate) hide
LITERATURE
(Substrate)
COMMENTARY
(Product) hide
LITERATURE
(Product)
Reversibility
r=reversible
ir=irreversible
?=not specified
5-diazo-4-oxo-L-norvaline + H2O
?
show the reaction diagram
aspartic acid + H2O
?
show the reaction diagram
-
very low activity only for asparaginase B
-
-
?
beta-cyanoalanine + H2O
alanine + NH3
show the reaction diagram
beta-D-aspartyl hydroxylammonium sulfate + H2O
L-Asp + hydroxylammonium sulfate
show the reaction diagram
beta-L-aspartyl hydroxylammonium sulfate + H2O
L-Asp + hydroxylammonium sulfate
show the reaction diagram
D-asparagine + H2O
D-aspartate + NH3
show the reaction diagram
D-glutamine + H2O
D-glutamate + NH3
show the reaction diagram
gamma-L-glutamyl hydroxylammonium sulfate + H2O
L-glutamate + hydroxylammonium sulfate
show the reaction diagram
L-asparagine + H2O
L-aspartate + NH3
show the reaction diagram
L-aspartate + NH3
L-asparagine + H2O
show the reaction diagram
-
-
-
-
r
L-glutamine + H2O
L-glutamate + NH3
show the reaction diagram
N-acetyl-L-asparagine + H2O
N-acetyl-L-aspartate + NH3
show the reaction diagram
N-carbamoyl-L-asparagine + H2O
N-carbamoyl-L-aspartate + NH3
show the reaction diagram
-
-
-
?
N-glycyl-L-asparagine + H2O
N-glycyl-L-aspartate + NH3
show the reaction diagram
-
60% higher activity than on L-asparagine
-
?
succinamic acid + H2O
succinate + NH3
show the reaction diagram
-
slow hydrolysis rate
-
?
additional information
?
-