PMSF (Sigma)	40 mg/mL methanol	*Make on day of experiment
Leupeptin (Sigma)	10 mg/mL ddH2O	Store at −20°C
Pepstatin (Sigma)	1 mg/mL methanol	Store at −20°C
Aprotinin (Sigma)	10 mg/mL 10 mM HEPES, pH 8.0	Store at −20°C in 100 μL aliquots
		Do not freeze/thaw