title: Coupled demethylation of sites in a conserved sequence of Xenopus ribosomal DNA.
mesh_terms: D000818:Animals; D001483:Base Sequence; D004247:DNA / Q000235:genetics* / Q000302:isolation & purification; D004262:DNA Restriction Enzymes; D004275:DNA, Ribosomal; D008745:Methylation; D009693:Nucleic Acid Hybridization; D010957:Plasmids; D013045:Species Specificity; D014981:Xenopus
chemical_list: D004275:DNA, Ribosomal; D004247:DNA; D004262:DNA Restriction Enzymes