| GO | Name |
| GO:0004509 | steroid 21-monooxygenase activity |
| GO:0005496 | steroid binding |
| GO:0005506 | iron ion binding |
| GO:0005789 | endoplasmic reticulum membrane |
| GO:0006694 | steroid biosynthetic process |
| GO:0006704 | glucocorticoid biosynthetic process |
| GO:0006705 | mineralocorticoid biosynthetic process |
| GO:0008202 | steroid metabolic process |
| GO:0008395 | steroid hydroxylase activity |
| GO:0016125 | sterol metabolic process |
| GO:0020037 | heme binding |
| GO:0103069 | 17-hydroxyprogesterone 21-hydroxylase activity |
| GO:0106309 | progesterone 21-hydroxylase activity |