title: Counting and discounting the universe of exons.
authors.forename: R F
authors.initials: RF
authors.lastname: Doolittle
mesh_terms: D000595:Amino Acid Sequence; D000818:Animals; D005091:Exons; D006801:Humans; D008969:Molecular Sequence Data; D011506:Proteins / Q000235:genetics*; D012689:Sequence Homology, Nucleic Acid
chemical_list: D011506:Proteins