title: Evolution of domain families.
authors.affiliation: National Center for Biotechnology Information, National Library of Medicine, National Institutes of Health, Bethesda, Maryland, USA.
authors.forename: C P
authors.initials: CP
authors.lastname: Ponting
authors.forename: J
authors.initials: J
authors.lastname: Schultz
authors.forename: R R
authors.initials: RR
authors.lastname: Copley
authors.forename: M A
authors.initials: MA
authors.lastname: Andrade
authors.forename: P
authors.initials: P
authors.lastname: Bork
mesh_terms: D020816:Amino Acid Motifs; D000595:Amino Acid Sequence; D000818:Animals; D001105:Archaea / Q000737:chemistry; D001419:Bacteria / Q000737:chemistry; D005057:Eukaryotic Cells / Q000737:chemistry; D019143:Evolution, Molecular; D006801:Humans; D008969:Molecular Sequence Data; D017434:Protein Structure, Tertiary; D011506:Proteins / Q000737:chemistry*; D017386:Sequence Homology, Amino Acid
chemical_list: D011506:Proteins