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25-Hydroxyvitamin D3 1-alpha-Hydroxylase

MESHD015090

A mitochondrial cytochrome P450 enzyme that catalyzes the 1-alpha-hydroxylation of 25-hydroxyvitamin D3 (also known as 25-hydroxycholecalciferol) in the presence of molecular oxygen and NADPH-FERRIHEMOPROTEIN REDUCTASE. This enzyme, encoded by CYP27B1 gene, converts 25-hydroxyvitamin D3 to 1-alpha,25-dihydroxyvitamin D3 which is the active form of VITAMIN D in regulating bone growth and calcium metabolism. This enzyme is also active on plant 25-hydroxyvitamin D2 (ergocalciferol).

Synonyms

  • 25 Hydroxyvitamin D3 1 alpha Hydroxylase
  • 25-Hydroxycholecalciferol-1-Hydroxylase
  • 25 Hydroxycholecalciferol 1 Hydroxylase
  • 25-Hydroxycholecalciferol 1-Hydroxylase
  • Calcidiol 1-Monooxygenase
  • Calcidiol 1 Monooxygenase
  • 25-Hydroxyvitamin D(3) 1 alpha-Hydroxylase
  • 25-Hydroxyvitamin D2 1-hydroxylase
  • 1-hydroxylase, 25-Hydroxyvitamin D2
  • 25 Hydroxyvitamin D2 1 hydroxylase
  • CYP27B1
  • Cytochrome P-450 CYP27B1
  • Cytochrome P 450 CYP27B1
  • 25-Hydroxyergocalciferol 1-alpha-Hydroxylase
  • 1-alpha-Hydroxylase, 25-Hydroxyergocalciferol
  • 25 Hydroxyergocalciferol 1 alpha Hydroxylase
  • 25-Hydroxyvitamin D 1-alpha-Hydroxylase
  • 1-alpha-Hydroxylase, 25-Hydroxyvitamin D
  • 25 Hydroxyvitamin D 1 alpha Hydroxylase

Source last updated 2026-05-24T15:26:14.450Z