Fig. 6

a: Bioconversion of progesterone (Pr, 0.4 g/l) with and without α,α-dipyridyl (Dip). b: Bioconversion of 17α-hydroxy-progesterone (17α-OH-Pr, 1 g/l) with and without α,α-dipyridyl. c: Bioconversion of 11α,17α-di-hydroxy-progesterone (11α,17α-di-OH-Pr, 1 g/l) without α,α-dipyridyl. In all variants resting AcC-induced N. simplex VKM Ac-2033D cells were used