TABLE 6.
Initial rates of amino acid uptake by yeast mutants
| Amino acid | Initial transport rate (nmol/min/mg dry wt) ± SD ofa:
|
|||
|---|---|---|---|---|
| AD | ADCDR1 | ADCDR2 | ADMDR1 | |
| Ala | 3.51 ± 0.56 | 4.16 ± 0.38 | 4.35 ± 0.41 | 3.33 ± 0.33 |
| Asp-γ-hydroxamate (10) | 1.54 ± 0.16 | 2.25 ± 0.42 | 1.69 ± 0.11 | 1.25 ± 0.13 |
| FPhe (11) | 1.48 ± 0.16 | 1.81 ± 0.18 | 1.44 ± 0.12 | 1.36 ± 0.15 |
| OLys (12) | 1.78 ± 0.11 | 2.57 ± 0.15 | 1.86 ± 0.06 | 1.63 ± 0.07 |
| Cispentacin (13) | 1.63 ± 0.20 | 2.11 ± 0.21 | 1.85 ± 0.16 | 1.67 ± 0.18 |
| DON (14) | 2.0 ± 0.22 | 2.32 ± 0.31 | 2.25 ± 0.16 | 1.98 ± 0.19 |
| Azaserine (15) | 1.75 ± 0.23 | 2.15 ± 0.17 | 1.92 ± 0.22 | 1.70 ± 0.17 |
a
Conditions of the determination were as described in Table 5. Values are the means of three determinations ± the standard deviation (SD).