title: Mouse hexamer repeat sequences homologous to the Drosophila 'period' gene.
mesh_terms: D000818:Animals; D001483:Base Sequence; D004331:Drosophila melanogaster / Q000235:genetics*; D051379:Mice; D008807:Mice, Inbred BALB C / Q000235:genetics*; D008969:Molecular Sequence Data; D012091:Repetitive Sequences, Nucleic Acid; D012689:Sequence Homology, Nucleic Acid