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Typical structure of a carnivore tRNA SINE. Typical structure of a carnivore tRNA SINE with two promoter elements for RNA polymerase III (A-box and B-box), a polypyrimidine region and an A-rich tail with polymerase III termination signal (underlined). Direct repeats (DR) that result from the insertion process lie at both termini of the interspersed repeat. Restriction site for Sau3AI enzyme is indicated.
