| EC:1.1.1.50 3-alpha-hydroxysteroid dehydrogenase (B-specific). | TG | PF | CP | HS |
| EC:1.1.1.51 3(or 17)beta-hydroxysteroid dehydrogenase. | TG | PF | CP | HS |
| EC:1.1.1.62 Estradiol 17 beta-dehydrogenase. | TG | PF | CP | HS |
| EC:1.1.1.63 Testosterone 17-beta-dehydrogenase. | TG | PF | CP | HS |
| EC:1.1.1.64 Testosterone 17-beta-dehydrogenase (NADP+). | TG | PF | CP | HS |
| EC:1.1.1.145 3-beta-hydroxy-delta(5)-steroid dehydrogenase. | TG | PF | CP | HS |
| EC:1.1.1.146 11-beta-hydroxysteroid dehydrogenase. | TG | PF | CP | HS |
| EC:1.1.1.148 Estradiol 17-alpha-dehydrogenase. | TG | PF | CP | HS |
| EC:1.1.1.152 3-alpha-hydroxy-5-beta-androstane-17-one 3-alpha-dehydrogenase. | TG | PF | CP | HS |
| EC:1.1.1.239 3-alpha (17-beta)-hydroxysteroid dehydrogenase (NAD+). | TG | PF | CP | HS |
| EC:1.3.99.5 3-oxo-5-alpha-steroid 4-dehydrogenase. | TG | PF | CP | HS |
| EC:1.3.99.6 3-oxo-5-beta-steroid 4-dehydrogenase. | TG | PF | CP | HS |
| EC:1.14.13.- | TG | PF | CP | HS |
| EC:1.14.15.4 Steroid 11-beta-monooxygenase. | TG | PF | CP | HS |
| EC:1.14.99.11 Estradiol 6-beta-monooxygenase. | TG | PF | CP | HS |
| EC:1.14.99.12 Androst-4-ene-3,17-dione monooxygenase. | TG | PF | CP | HS |
| EC:1.14.99.- | TG | PF | CP | HS |
| EC:2.1.1.- | TG | PF | CP | HS |
| EC:2.4.1.17 UDP-glucuronosyltransferase. | TG | PF | CP | HS |
| EC:2.8.2.2 Alcohol sulfotransferase. | TG | PF | CP | HS |
| EC:2.8.2.4 Estrone sulfotransferase. | TG | PF | CP | HS |
| EC:2.8.2.15 Steroid sulfotransferase. | TG | PF | CP | HS |
| EC:3.1.6.1 Arylsulfatase. | TG | PF | CP | HS |
| EC:3.1.6.2 Steryl-sulfatase. | TG | PF | CP | HS |
| EC:4.1.2.30 17-alpha-hydroxyprogesterone aldolase. | TG | PF | CP | HS |
| EC:5.3.3.1 Steroid delta-isomerase. | TG | PF | CP | HS |