The polyamine oxidase from lycophyte Selaginella lepidophylla (SelPAO5), unlike that of angiosperms, back-converts thermospermine to norspermidine
Keywords: APT; aminopropyltransferase; DAP; 1,3-diaminopropane; HPLC; high performance liquid chromatography; LC-MS/MS; liquid chromatography-tandem mass spectrometry; NorSpd; norspermidine; NorSpm; norspermine; ORF; open-reading frame; PA; polyamine; PAO; poly