title: Effect of isoelectric focusing on the amino-acid composition of proteins.
mesh_terms: D000596:Amino Acids / Q000032:analysis*; D000818:Animals; D002417:Cattle; D004586:Electrophoresis; D006023:Glycoproteins / Q000032:analysis; D007525:Isoelectric Focusing; D008722:Methods; D011492:Protein Hydrolysates / Q000032:analysis*; D012260:Ribonucleases / Q000032:analysis; D013972:Thyrotropin / Q000032:analysis
chemical_list: D000596:Amino Acids; D006023:Glycoproteins; D011492:Protein Hydrolysates; D013972:Thyrotropin; D012260:Ribonucleases