title: Constitutive heterochromatin in Microtus agrestis: binding of actinomycin-D and transcriptional inactivity.
mesh_terms: D000818:Animals; D001345:Autoradiography; D001665:Binding Sites; D002467:Cell Nucleus; D002540:Cerebral Cortex / Q000166:cytology; D002843:Chromatin; D004247:DNA; D003609:Dactinomycin; D005815:Genetic Code; D006657:Histones; D051379:Mice; D011485:Protein Binding; D013045:Species Specificity; D013997:Time Factors; D014316:Tritium; D014529:Uridine
chemical_list: D002843:Chromatin; D006657:Histones; D014316:Tritium; D003609:Dactinomycin; D004247:DNA; D014529:Uridine