| Entry |
|
| Name |
gamma-glutamyl-gamma-aminobutyrate hydrolase;
gamma-glutamyl-GABA hydrolase;
PuuD;
YcjL;
4-(gamma-glutamylamino)butanoate amidohydrolase
|
| Class |
Hydrolases;
Acting on carbon-nitrogen bonds, other than peptide bonds;
In linear amides
 |
| Sysname |
4-(L-gamma-glutamylamino)butanoate amidohydrolase
|
| Reaction(IUBMB) |
4-(L-gamma-glutamylamino)butanoate + H2O = 4-aminobutanoate + L-glutamate [RN: R07419]
|
| Reaction(KEGG) |
|
| Substrate |
4-(L-gamma-glutamylamino)butanoate [CPD: C15767];
H2O [CPD: C00001]
|
| Product |
|
| Comment |
Forms part of a putrescine-utilizing pathway in Escherichia coli, in which it has been hypothesized that putrescine is first glutamylated to form gamma-glutamylputrescine, which is oxidized to 4-(gamma-glutamylamino)butanal and then to 4-(gamma-glutamylamino)butanoate. The enzyme can also catalyse the reactions of EC 3.5.1.35 (D-glutaminase) and EC 3.5.1.65 (theanine hydrolase).
|
| Pathway |
| Arginine and proline metabolism | | Metabolic pathways |
|
| Orthology |
| gamma-glutamyl-gamma-aminobutyrate hydrolase |
|
| Genes |
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 |
| Reference |
|
| Authors |
Kurihara S, Oda S, Kato K, Kim HG, Koyanagi T, Kumagai H, Suzuki H. |
| Title |
A novel putrescine utilization pathway involves gamma-glutamylated intermediates of Escherichia coli K-12. |
| Journal |
J. Biol. Chem. 280 (2005) 4602-8. |
| Organism |
Escherichia coli [GN: eco] |
| Other DBs |
ExplorEnz - The Enzyme Database: IUBMB Enzyme Nomenclature: ExPASy - ENZYME nomenclature database: BRENDA, the Enzyme Database: |