500 mM IPTG (Dissolve IPTG in water, then sterilize using 0.22 μm syringe filter)

Reagent	Final concentration	Amount
IPTG	500 mM	1.19 g
ddH2O	N/A	Up to 10 mL
Total	N/A	10 mL

Make 1 mL aliquots and store at −20°C for several months.