title: Gene structure of the human mitochondrial outer membrane receptor Tom20 and evolutionary study of its family of processed pseudogenes.
abstract: The structure of the human gene encoding the mitochondrial outer membrane receptor Tom20 has been determined from overlapping clones obtained using PCR-based techniques. The 20kb human Tom20 gene (hTom20) consists of five exons separated by four introns. The 5' flanking region presents features common with other nuclear genes encoding mitochondrial proteins. Comparison with its homologs and putative homologs in other species has revealed common features in their TPR motifs and other relevant protein domains. Aspects concerning evolutionary origins of the family of processed pseudogenes of hTom20 are also discussed.
authors.affiliation: Instituto de Investigaciones Citológicas, Fundación Valenciana de Investigaciones Biomédicas, Amadeo de Saboya 4, 46010-, Valencia, Spain.
authors.forename: J M
authors.initials: JM
authors.lastname: Hernández
authors.forename: P
authors.initials: P
authors.lastname: Giner
authors.forename: J
authors.initials: J
authors.lastname: Hernández-Yago
mesh_terms: D000595:Amino Acid Sequence; D001483:Base Sequence; D004247:DNA / Q000737:chemistry / Q000235:genetics; D018076:DNA, Complementary / Q000235:genetics; D004272:DNA, Mitochondrial / Q000235:genetics; D005091:Exons; D005796:Genes / Q000235:genetics*; D006801:Humans; D007438:Introns; D008565:Membrane Proteins / Q000235:genetics*; D026901:Membrane Transport Proteins; D008928:Mitochondria / Q000235:genetics*; D000090622:Mitochondrial Precursor Protein Import Complex Proteins; D008969:Molecular Sequence Data; D011061:Poly A; D011544:Pseudogenes / Q000235:genetics*; D011956:Receptors, Cell Surface; D017422:Sequence Analysis, DNA
chemical_list: D018076:DNA, Complementary; D004272:DNA, Mitochondrial; D008565:Membrane Proteins; D026901:Membrane Transport Proteins; D000090622:Mitochondrial Precursor Protein Import Complex Proteins; D011956:Receptors, Cell Surface; C084008:TOMM20 protein, human; D011061:Poly A; D004247:DNA