Function
Flavoenzyme involved in polyamine back-conversion (PubMed:18703589, PubMed:20532512, PubMed:21081665, PubMed:26925084). Catalyzes the oxidation of the secondary amino group of polyamines, such as spermine and spermidine (PubMed:18703589, PubMed:20532512, PubMed:21081665, PubMed:26925084). Substrate preference is spermine > spermidine (PubMed:18703589, PubMed:21081665). No activity detected when putrescine or N(1)-acetylspermine are used as substrates (PubMed:18703589). Plays an important role in the regulation of polyamine intracellular concentration (Probable).
Sequence
MDKKKNSFPDNLPEGTISELMQKQNNVQPSVIVIGSGISGLAAARNLSEASFKVTVLESRDRIGGRIHTDYSFGCPVDMGASWLHGVSDENPLAPIIRRLGLTLYRTSGDDSILYDHDLESYGLFDMHGNKIPPQLVTKVGDAFKRILEETEKIRDETANDMSVLQGISIVLDRNPELRQEGMAYEVLQWYLCRMEAWFAVDANLISLKCWDQDECLSGGHGLMVQGYEPVIRTIAKDLDIRLNHRVTKVVRTSNNKVIVAVEGGTNFVADAVIITVPIGVLKANLIQFEPELPQWKTSAISGLGVGNENKIALRFDRAFWPNVEFLGMVAPTSYACGYFLNLHKATGHPVLVYMAAGNLAQDLEKLSDEATANFVMLQLKKMFPDAPDPAQYLVTRWGTDPNTLGCYAYDVVGMPEDLYPRLGEPVDNIFFGGEAVNVEHQGSAHGAFLAGVSASQNCQRYIFERLGAWEKLKLVSLMGNSDILETATVPLQISRM