3ku9 is a 2 chain structure with sequence from Zea mays. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
[PAO_MAIZE] Catalyzes the oxidation of the secondary amino group of polyamines (spermine, spermidine and their acetyl derivatives). Plays an important role in the regulation of polyamine intracellular concentration.