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. 2016 Jul 21;11(7):e0159867. doi: 10.1371/journal.pone.0159867

Fig 1. Biosynthesis of 11KT and 11KDHT from the adrenal androgen precursor 11OHA4.

Fig 1

Enzymes: 11βHSD2, 11β-hydroxysteroid dehydrogenase; 17βHSD2, 17β-hydroxysteroid dehydrogenase; SRD5A1, steroid 5α-reductase type 1; 3αHSD2, 3α-hydroxysteroid dehydrogenase. Steroids: 11OHA4, 11β-hydroxyandrostenedione; 11KA4, 11-ketoandrostenedione; 11KT, 11-ketotestosterone; 11OH-5α-dione, 11OH-5α-androstanedione; 11K-5α-dione, 11-keto-5α-androstanedione; 11KDHT, 11-ketodihydrotestosterone; 11OHAST, 11β-hydroxyandrosterone; 11KAST, 11-ketoadrenosterone; 11K-3α-adiol, 11-keto-5α-androstane-3α,17β-diol.