Diguanidinobutanase
In enzymology, a diguanidinobutanase (EC 3.5.3.20) is an enzyme that catalyzes the chemical reaction
- 1,4-diguanidinobutane + H2O agmatine + urea
| diguanidinobutanase | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Identifiers | |||||||||
| EC number | 3.5.3.20 | ||||||||
| CAS number | 125268-65-7 | ||||||||
| Databases | |||||||||
| IntEnz | IntEnz view | ||||||||
| BRENDA | BRENDA entry | ||||||||
| ExPASy | NiceZyme view | ||||||||
| KEGG | KEGG entry | ||||||||
| MetaCyc | metabolic pathway | ||||||||
| PRIAM | profile | ||||||||
| PDB structures | RCSB PDB PDBe PDBsum | ||||||||
| Gene Ontology | AmiGO / QuickGO | ||||||||
| |||||||||
Thus, the two substrates of this enzyme are 1,4-diguanidinobutane and H2O, whereas its two products are agmatine and urea.
This enzyme belongs to the family of hydrolases, those acting on carbon-nitrogen bonds other than peptide bonds, specifically in linear amidines. The systematic name of this enzyme class is 1,4-diguanidinobutane amidinohydrolase.
References
- Yorifuji T, Kaneoke M, Shimizu E, Shiota K, Matsuo R (1989). "Degradation of alpha,omega-diguanidinoalkanes and a novel enzyme, diguanidinobutane amidohydrolase, in Pseudomonas putida". Agric. Biol. Chem. 53: 3003–3009. doi:10.1271/bbb1961.53.3003.
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