The CYP2C9 gene includes 9 exons and two untranslated regions (UTRs), one at the 5' and the other at the 3' end.
1. Diagram a DNA coding strand for this gene with its promoter. Label the following features: 5' and 3' polarity of the DNA coding strand, 5' and 3' UTR, TATA box, +1 TSS, Position of the start and stop codon, Exons and introns.