title: Putrescine aminopropyltransferase (Escherichia coli).
mesh_terms: D000645:Ammonium Sulfate; D002845:Chromatography / Q000379:methods; D002848:Chromatography, DEAE-Cellulose; D017886:Durapatite; D004589:Electrophoresis, Disc / Q000379:methods; D004926:Escherichia coli / Q000201:enzymology*; D006882:Hydroxyapatites; D007700:Kinetics; D012706:Serratia marcescens / Q000201:enzymology; D011436:Spermidine Synthase / Q000032:analysis*; D013307:Streptomycin; D014166:Transferases / Q000032:analysis*
chemical_list: D006882:Hydroxyapatites; D017886:Durapatite; D014166:Transferases; D011436:Spermidine Synthase; D000645:Ammonium Sulfate; D013307:Streptomycin