Hydroxylation of steroids at carbon 21.
D000305:Adrenal Cortex Hormones / Q000378:metabolism*; D002244:Carbon; D006900:Hydroxylation; D013256:Steroids
D000305:Adrenal Cortex Hormones; D013256:Steroids; D002244:Carbon
ADRENAL CORTEX HORMONES/metabolism