title: Ancient patterns in nucleic acid sequences.
authors.forename: J C
authors.initials: JC
authors.lastname: Shepherd
mesh_terms: D001483:Base Sequence; D004247:DNA / Q000235:genetics*; D015723:Gene Library; D007256:Information Systems; D011506:Proteins / Q000235:genetics*; D012107:Research Design; D012984:Software
chemical_list: D011506:Proteins; D004247:DNA