Kumagai, H Effects of polyamines on the activities of Escherichia coli ribonuclease I and II. [electronic resource] - Journal of biochemistry Feb 1977 - 381-8 p. digital Publication Type: Journal Article ISSN: 0021-924X Standard No.: 10.1093/oxfordjournals.jbchem.a131469 doi Subjects--Topical Terms: Endonucleases--metabolismEscherichia coli--enzymologyHeparin--pharmacologyMagnesium--pharmacologyPoly A--metabolismPoly C--metabolismPoly G--pharmacologyPoly U--metabolismPolyamines--pharmacologyPotassium--pharmacologyPutrescine--pharmacologyRibonucleases--metabolismSpermidine--pharmacologySpermine--pharmacology