HSD17B12 encodes a very important 17beta-hydroxysteroid dehydrogenase (17beta-HSD) that converts estrone into estradiol in ovarian tissue. This enzyme is also involved in fatty acid elongation. HSD17B12 (Hydroxysteroid 17-Beta Dehydrogenase 12) is a Protein Coding gene. Among its related pathways are Fatty acid elongation and Metabolism.