>2ZSU_1|Chains A, B, C, D, E, F|spermidine synthase|Pyrococcus horikoshii (53953) MRDMEFIEWYPRGYGVAFKVKRKILEEQSEYQKIEVYETEGFGKLLAIDGTVQLVTEGEKSYHEPLVHPAMLAHPNPRRVLIIGGGDGGAIREVLKHEEVEEVIMVEIDKKVIEISAKYIGIDGGILEKMLSDKHEKGKLIIGDGVKFIEENSGFDVIIVDSTDPVGPAEMLFSEEFYKNAYRALNDPGIYVTQAGSVYLFTDEFLTAYRKMRKVFDKVYYYSFPVIGYASPWAFLVGVKGSIDFMKVDAEKGKKLGLEYYDPDKHETLFQMPRYIVQML