Diamine oxidase
Diamine oxidase (DAO), also known "amine oxidase, copper-containing, 1" (AOC1), formerly called histaminase, is an enzyme (EC 1.4.3.22) involved in the metabolism, oxidation, and inactivation of histamine and other polyamines such as putrescine or spermidine. The enzyme belongs to the amine oxidase (copper-containing) (AOC) family of amine oxidase enzymes.
| Diamine oxidase | |||||||||
|---|---|---|---|---|---|---|---|---|---|
Diamine oxidase dimer, Human | |||||||||
| Identifiers | |||||||||
| EC no. | 1.4.3.22 | ||||||||
| 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 | ||||||||
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The enzyme is expressed in bilateria, a biological group of animals. The enzyme is encoded by the AOC1 gene. This gene is highly conserved across the bilateria group which includes mammals, birds, reptiles, fish and insects, to name a few.
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