title: Modification of the technique for isolating nuclear membranes of the rat liver and investigation of the amino-acid composition of the membrane proteins.
mesh_terms: D000596:Amino Acids / Q000032:analysis*; D000818:Animals; D002467:Cell Nucleus / Q000032:analysis*; D002499:Centrifugation, Density Gradient; D004247:DNA / Q000032:analysis; D008099:Liver / Q000032:analysis / Q000648:ultrastructure*; D008566:Membranes / Q000032:analysis; D008854:Microscopy, Electron; D011506:Proteins / Q000032:analysis*; D012313:RNA / Q000032:analysis; D051381:Rats; D014461:Ultracentrifugation
chemical_list: D000596:Amino Acids; D011506:Proteins; D012313:RNA; D004247:DNA