Table 3.
AAAH | in silico RBEa | Preference (Phe/Trp) | in vivo activityb | Preference (Phe/Trp) | ||
---|---|---|---|---|---|---|
Phe | Trp | Phe → Tyr | Trp → 5HTP | |||
CtAAAH (wt) | 1.00 | 1.00 | 1.00 | 86.8 ± 5.7 | 10.5 ± 0.4 | 8.3 |
wt L113Y | 0.83 | 0.84 | 0.99 | 73.8 ± 2.3 | 24.1 ± 0.9 | 3.1 |
wt W192F | 0.75 | 0.86 | 0.87 | 79.1 ± 3.7 | 57.8 ± 1.2 | 1.4 |
wt Y222H | 0.78 | 0.82 | 0.95 | 41.9 ± 2.9 | 25.0 ± 0.8 | 1.6 |
wt S223C | 0.90 | 0.80 | 1.12 | 63.7 ± 3.1 | 21.6 ± 0.9 | 2.9 |
wt P229A | 0.81 | 0.90 | 0.90 | 59.5 ± 3.5 | 35.4 ± 1.0 | 1.7 |
wt Y244C | 0.81 | 0.84 | 0.96 | 48.8 ± 2.7 | 33.5 ± 1.2 | 1.5 |
RBE, relative binding energy estimated using AutoDock Vina v1.1.2 20.
Activity estimated as μM · h−1 · OD600 −1. All data are reported as the mean ± standard error of the mean (SEM) from three independent experiments.