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
Synonyms
PuuD
ECTree
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Substrates Products
Substrates Products on EC 3.5.1.94 - gamma-glutamyl-gamma-aminobutyrate hydrolase
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REACTION DIAGRAM
4-(gamma-glutamylamino)butanoate + H2O
4-aminobutanoate + L-glutamate
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
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gamma-(glutamylamino)butanoate + H2O
gamma-aminobutanoate + L-glutamate
Cys114 is the active center of PuuD
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