>1XJ5_1|Chains A, B, C, D|Spermidine synthase 1|Arabidopsis thaliana (3702) SDAKETSATDLKRPREEDDNGGAATMETENGDQKKEPACFSTVIPGWFSEMSPMWPGEAHSLKVEKVLFQGKSDYQDVIVFQSATYGKVLVLDGVIQLTERDECAYQEMITHLPLCSIPNPKKVLVIGGGDGGVLREVARHASIEQIDMCEIDKMVVDVSKQFFPDVAIGYEDPRVNLVIGDGVAFLKNAAEGSYDAVIVDSSDPIGPAKELFEKPFFQSVARALRPGGVVCTQAESLWLHMDIIEDIVSNCREIFKGSVNYAWTSVPTYPSGVIGFMLCSTEGPDVDFKHPLNPIDESSSKSNGPLKFYNAEIHSAAFCLPSFAKKVIESKAN