[Specificity of interaction of nuclear juice proteins and cytoplasm with DNA].

The interaction of nuclear juice proteins and cytoplasm isolated from hepatocytes at different steps of the cell cycle with DNA was studied by chromatography of labelled proteins on columns with DNA and by fixation of the [3H]DNA -- protein complexes on nitrocellulose filters. It was demonstrated that the nuclear juice contains proteins, which specifically interact with homologous native DNA.