title: Binding of putrescine and spermidine to ribosomes from Escherichia coli.
mesh_terms: D001665:Binding Sites; D001667:Binding, Competitive; D002247:Carbon Isotopes; D002458:Cell Fractionation; D002499:Centrifugation, Density Gradient; D003956:Dialysis; D004926:Escherichia coli / Q000166:cytology; D007700:Kinetics; D008274:Magnesium; D008623:Mercaptoethanol; D011188:Potassium; D011312:Pressure; D011700:Putrescine / Q000378:metabolism*; D012270:Ribosomes / Q000187:drug effects / Q000378:metabolism*; D013095:Spermidine / Q000378:metabolism*
chemical_list: D002247:Carbon Isotopes; D008623:Mercaptoethanol; D008274:Magnesium; D011188:Potassium; D013095:Spermidine; D011700:Putrescine