Genomics
Genome feature
| Region: |
gene
|
Length: |
2814
 |
| Location: | Chr3:21824696-21827509 reverse strand | ||
Overlapping Features
Genome features that overlap coordinates of this Gene
Proteins
Curated comments from UniProt
| Type | Comment | Proteins |
|---|---|---|
| PAO3_ARATH | function | Flavoenzyme involved in polyamine back-conversion (PubMed:18583528, PubMed:20532512, PubMed:21081665). Catalyzes the oxidation of the secondary amino group of polyamines, such as spermine, spermidine and their acetyl derivatives (PubMed:18583528, PubMed:20532512, PubMed:21081665). Substrate preference is spermidine >spermine >N(1)-acetylspermidine >N(1)-acetylspermine (PubMed:18583528). Plays an important role in the regulation of polyamine intracellular concentration (Probable). Involved in the production of hydrogen peroxide during pollen tube growth (PubMed:20626657). Hydrogen peroxide triggers the opening of the hyperpolarization-activated calcium permeable channels in pollen, and thus regulates pollen tube growth (PubMed:20626657). |
| PAO3_ARATH | pathway | Amine and polyamine degradation; spermidine degradation. |
| PAO3_ARATH | pathway | Amine and polyamine degradation; spermine degradation. |
| PAO3_ARATH | similarity | Belongs to the flavin monoamine oxidase family. |
| PAO3_ARATH | tissue specificity | Expressed at similar levels in all tissues tested. Highest expression is seen in siliques. |
Function
Gene Ontology
| cellular component | |
|---|---|
|
peroxisome
|
ECO |
| molecular function | |
|
N(1)-acetylpolyamine oxidase (3-acetamidopropanal-forming) activity
|
ECO |
|
polyamine oxidase activity
|
ECO |
|
spermine oxidase activity
|
ECO |
| biological process | |
|
polyamine catabolic process
|
ECO |
|
spermidine catabolic process
|
ECO |
|
spermine catabolic process
|
ECO |
Interactions
Interaction Network
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