title: Isolation and characterization of a 7 S RNP particle from mature Xenopus laevis oocytes.
abstract: Mature oocytes of Xenopus laevis contain a 7 S RNP particle consisting of two components, ribosomal 5 S RNA and a protein of Mr approximately 45000. The structure of the free 5 S rRNA and the 7 S RNP complex has been studied by diethylpyrocarbonate modification of adenines. A74, A77, A90, A100, A101 and A103 of the 5 S rRNA are protected upon association of the protein.
mesh_terms: D000818:Animals; D005260:Female; D008970:Molecular Weight; D009690:Nucleic Acid Conformation; D009698:Nucleoproteins / Q000302:isolation & purification*; D009865:Oocytes / Q000032:analysis*; D010063:Ovum / Q000032:analysis*; D012261:Ribonucleoproteins / Q000302:isolation & purification*; D014982:Xenopus laevis
chemical_list: D009698:Nucleoproteins; D012261:Ribonucleoproteins