title: Isolation and purification of the extracellular ribonuclease from Physarum polycephalum.
mesh_terms: D000645:Ammonium Sulfate; D011232:Chemical Precipitation; D002848:Chromatography, DEAE-Cellulose; D005615:Freezing; D008722:Methods; D009235:Myxomycetes / Q000201:enzymology*; D012260:Ribonucleases / Q000302:isolation & purification*
chemical_list: D012260:Ribonucleases; D000645:Ammonium Sulfate