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Uptake by transporters with mutations in aromatic residues. The results are shown for rates of [3H]adenosine (Ado) and [3H]uridine (Urd) uptake in the Δldnt1/Δldnt2 cell line, using conditions reported in Fig. 2. A, uptake results for nonconservative alanine mutations. B, uptake results for conservative mutations. WT, wild type.
