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3.5.1.94: gamma-glutamyl-gamma-aminobutyrate hydrolase

This is an abbreviated version!
For detailed information about gamma-glutamyl-gamma-aminobutyrate hydrolase, go to the full flat file.

Reaction

4-(gamma-L-glutamylamino)butanoate
+
H2O
=
4-aminobutanoate
+
L-glutamate

Synonyms

PuuD

ECTree

     3 Hydrolases
         3.5 Acting on carbon-nitrogen bonds, other than peptide bonds
             3.5.1 In linear amides
                3.5.1.94 gamma-glutamyl-gamma-aminobutyrate hydrolase

Substrates Products

Substrates Products on EC 3.5.1.94 - gamma-glutamyl-gamma-aminobutyrate hydrolase

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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
4-(gamma-glutamylamino)butanoate + H2O
4-aminobutanoate + L-glutamate
show the reaction diagram
enzyme is involved in the gamma-glutamyl-gamma-aminobutyrate hydrolase pathway for the degradation of putrescine to succinate semialdehyde. PuuD is essential for growth on putrescine as a sole source of nitrogen. Expression of the enzyme is induced by putrescine and O2. Addition of succinate and NH4Cl to the medium reduces the expression of PuuD
-
-
?
gamma-(glutamylamino)butanoate + H2O
gamma-aminobutanoate + L-glutamate
show the reaction diagram
Cys114 is the active center of PuuD
-
-
?