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GC/MS Profile of a typical steroid extract from ΔAPAT_pL1601 (black) or ΔAPAT (orange) yeast cells fed with pregnenolone. A) 5β‐Pregnane‐β‐ol‐20‐one, B) 5β‐pregnane‐3,20‐dione, C) progesterone, D) 5β‐pregnane‐3β,21‐diol‐20‐one, E) 5β‐pregnane‐21‐ol‐3,20‐dione, G) 21‐hydroxyprogesterone
