title: Tn3-like elements: molecular structure, evolution.
abstract: The structure and transposition mechanism of Tn3-elements are described. Different studies showed that Tn21, Tn501, Tn1721 and Tn3926 are closely related. An evolution model for these transposons is proposed.
authors.affiliation: Laboratoire de Bactériologie, Faculté de Pharmacie, Strasbourg, France.
authors.forename: M C
authors.initials: MC
authors.lastname: Lett
mesh_terms: D000818:Animals; D005075:Biological Evolution; D004261:DNA Replication; D004251:DNA Transposable Elements; D008958:Models, Molecular; D009713:Nucleotidyltransferases / Q000502:physiology; D011995:Recombination, Genetic; D012091:Repetitive Sequences, Nucleic Acid; D019895:Transposases
chemical_list: D004251:DNA Transposable Elements; D009713:Nucleotidyltransferases; D019895:Transposases