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Aromatase
Androstenedione Aromatase; CYP 19; CYP19 Protein; Cytochrome P450 19; Estrogen Synthase; Estrogen Synthetase; P450AROM; Aromatase, Androstenedione; Cytochrome P 450 CYP19; Protein, CYP19
An enzyme that catalyzes the desaturation (aromatization) of the ring A of C19 androgens and converts them to C18 estrogens. In this process, the 19-methyl is removed. This enzyme is membrane-bound, located in the endoplasmic reticulum of estrogen-producing cells of ovaries, placenta, testes, adipose, and brain tissues. Aromatase is encoded by the CYP19 gene, and functions in complex with NADPH-FERRIHEMOPROTEIN REDUCTASE in the cytochrome P-450 system.