TABLE 3.
Substrate specificity of purified PepT
| Substrate (1 mM) | Activity (%) |
|---|---|
| Met-Gly-Gly | 100 |
| Leu-Gly-Gly | 34 |
| Leu-Leu-Ala | 33 |
| Ala-Ala-Ala | 26 |
| Leu-Leu-Leu | 15 |
| Gly-Leu-Tyr | 15 |
| Lys-Gly-Gly | 13 |
| Tyr-Gly-Gly | 11 |
| Ala-Leu-Ala | 7 |
| Val-Gly-Gly | 6 |
| Pro-Gly-Gly | 3 |
| Ala-Pro-Leu | 2 |
| Phe-Gly-Gly | 0 |
| Leu-Leu | 9 |
| Leu-Gly | 4 |
| Met-Gly | 0 |
| Leu-Pro | 0 |
| Pro-Leu | 0 |
| Lys-Lys | 0 |
| Gly-Leu-Leu-Gly | 0 |
| Leu-Trp-Met-Arg | 0 |
| Leu-pNA | 0 |
| Lys-pNA | 0 |
| Pro-pNA | 0 |
| Gly-Pro-pNA | 0 |