title: Evidence for the direct binding of polyamines to a ribonuclease that hydrolyzes ribonucleic acid at uridylic acid residues.
mesh_terms: D000596:Amino Acids / Q000032:analysis; D001665:Binding Sites; D002250:Carbon Radioisotopes; D002413:Cations, Divalent; D002850:Chromatography, Gel; D002852:Chromatography, Ion Exchange; D002954:Citrobacter / Q000201:enzymology*; D004925:Escherichia / Q000201:enzymology*; D006150:Guanine Nucleotides; D007700:Kinetics; D046911:Macromolecular Substances; D011119:Polynucleotides / Q000494:pharmacology; D011485:Protein Binding; D011700:Putrescine; D012260:Ribonucleases / Q000378:metabolism; D013056:Spectrophotometry, Ultraviolet; D013095:Spermidine; D013096:Spermine; D013329:Structure-Activity Relationship; D014316:Tritium; D014357:Trypsin; D014500:Uracil Nucleotides
chemical_list: D000596:Amino Acids; D002250:Carbon Radioisotopes; D002413:Cations, Divalent; D006150:Guanine Nucleotides; D046911:Macromolecular Substances; D011119:Polynucleotides; D014500:Uracil Nucleotides; D014316:Tritium; D013096:Spermine; D012260:Ribonucleases; D014357:Trypsin; D013095:Spermidine; D011700:Putrescine