Keywords: PDB 1iy9 EBI.jpg Alpha and beta proteins a or b S-adenosyl-L-methionine-dependent methyltransferases S-adenosyl-L-methionine-dependent methyltransferases Spermidine synthase Spermidine synthase EBI License 1iy9 November 16 2008 Spermidine synthase Files uploaded by Nichalp's script |