Table 2. Number of identified candidate transcripts associated with drug binding and processing.

Transcript	No. of candidates
Alpha tubulin	8
Beta tubulin	6
Gamma tubulin	1
Multidrug resistance P-glycoprotein (PGP)	4
Cytochrome P450 (CYP)	2
Multidrug resistance-associated protein (MRP)	2
Ligand-gated ion channel (LICs)	4