Table 1.
Interpolated ID50 (μM) values
| Competitor | P450RAI-1 | P450RAI-2 |
|---|---|---|
| All-trans-RA | 2.5 | 3 |
| 9-cis-RA | 32 | 25 |
| 13-cis-RA | >75 | 55 |
| Retinol | >100 | >100 |
| Retinal | >100 | >100 |
| Ketoconazole | 16 | 16 |
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