title: Purification of tobacco ribonuclease by affinity chromatography.
mesh_terms: D002846:Chromatography, Affinity; D006150:Guanine Nucleotides; D008722:Methods; D010947:Plants, Toxic; D011134:Polysaccharides; D012260:Ribonucleases / Q000302:isolation & purification*; D014026:Nicotiana / Q000201:enzymology*
chemical_list: D006150:Guanine Nucleotides; D011134:Polysaccharides; D012260:Ribonucleases