PON2 and amyotrophic lateral sclerosis: Figure S5. Schematic representation of sense AHRE consensus sites “GCGTG” (red flags) of human CYP1A1 and CYP1B1 AHR responsive genes and the ALS-relevant genes TARDBP, SOD1, PON2, C9ORF72, FUS and ATXN2, assayed for changes in transcript levels in Fig. 2.