Fig. 3From: Co-production of 11α-hydroxyprogesterone and ethanol using recombinant yeast expressing fungal steroid hydroxylasesFragmentation patterns (electron ionization) for progesterone substrate and hydroxylated metabolites. a Progesterone; b TMS-derivatized progesterone; c diTMS-derivatized 11α-hydroxyprogesterone; d TMS-derivatized 11α-hydroxyprogesterone; e TMS-derivatized 6β-hydroxyprogesterone. (TMS = trimethylsilyl derivatized)Back to article page