Supplementary Fig. 2: Comparison of labeled and unlabeled cholesta-8,14-dien-3β-ol.

A) labeled Cholesta-8,14-dien-3β-ol after incubation of HL60 cells with AY9944 and 2-13C-acetate. The red lines denote the isotopes +4 to +11 of the two most prominent peaks in the spectrum, used for quantification. B) unlabeled control.