| Compound | hPR-A | hPR-B | rbPR | rbGR | rbER | |||
|---|---|---|---|---|---|---|---|---|
| Progesterone | 100 | 100 | 100 | <1 | <1 | |||
| 17α-Hydroxyprogesterone | 1 | 1 | 3 | 1 | <1 | |||
| Hydroxyprogesterone caproate | 26 | 30 | 28 | 4 | <1 | |||
| Hydroxyprogesterone acetate | 38 | 46 | 115 | 3 | ? | |||
| Notes: Values are percentages (%). Reference ligands (100%) were progesterone for the PRTooltip progesterone receptor, dexamethasone for the GRTooltip glucocorticoid receptor, and estradiol for the ERTooltip estrogen receptor. Sources: [1][2] | ||||||||
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