446 Catalyzes the production of spermidine from putrescine and decarboxylated S-adenosylmethionine (dcSAM), which serves as an aminopropyl donor (By similarity). speE Putrescine aminopropyltransferase SPDSY MVEPAIGRNHIRAGRHHGRARIVFARTKNHAYLSHDAYCSRYPPIGRENADRLRIRTVVDRRTGRGAERWHRSPRQANGRFSNQRYSSTSPNSSPACPLIYFISIKAKRIACVVSAVIFVATSCVSPLTGFAFWETNLAYEGESIYNYLQVKNLSDRTILSTNVLFGVQSVTMKDKGLTGMYYDTALAAPALADNANSALILGMGTGTYARQLKQYYPKMNITGVEIDQKITDLAGEYFDEPADIPVTTYDGRAWLAASHDKYDVIMVDAYQDITIPFQMSSTEFFTMVREHLNPGGVMVVNMNMISDGQGSINEALSDTIASVFGNGNTLTADVPNTTNRELFAKKPGSGSEENSMQQASKALNLRETTYERTGSEDLEWYMEEVASRFRKVNEPDSASTILTDDKAPVEVLGMHAIDQIIADEAGPYRQILKDEGFGGLLRAVQ Probable spermidine synthase BL1365 SPEE_BIFLO