Retinoic Acid 4-Hydroxylase

**Definition:** A cytochrome P450 enzyme that resides in the ENDOPLASMIC RETICULUM. It catalyzes the conversion of trans-RETINOIC ACID to 4-hydroxyretinoic acid.

**Tree numbers:** - D08.244.453.498.500 - D08.811.682.690.708.170.485.500 - D12.776.422.220.453.498.500

**Synonyms:** - CYP450 4-Hydroxylase - RA-4-Hydroxylase - Cytochrome P450 4-Hydroxylase - P450RAI