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Schematic diagram of VNTRs and miR-491 seed region in SLC6A3 mRNA. A Human SLC6A3 mRNA harbors 3–11 VNTRs within its 3′UTR. The relative positions of the VNTRs are indicated in blue. Position 1 is the first nucleotide following the termination codon. B Sequence alignment of the seed region in the SLC6A3 3′UTR for miR-491.
