title: An analysis of acidic nuclear proteins during the development of Xenopus laevis.
mesh_terms: D000818:Animals; D002458:Cell Fractionation; D002467:Cell Nucleus / Q000032:analysis; D002499:Centrifugation, Density Gradient; D004591:Electrophoresis, Polyacrylamide Gel; D008970:Molecular Weight; D009698:Nucleoproteins / Q000032:analysis*; D014981:Xenopus / Q000196:embryology*
chemical_list: D009698:Nucleoproteins