[CAS NO. 591778-68-6]  CP 640186

CP-610431 inhibited ACC1 and ACC2 with IC50s of ∼50 nm. Inhibition was reversible, uncompetitive with respect to ATP, and non-competitive with respect to bicarbonate, acetyl-CoA, and citrate. CP-610431 also inhibited fatty acid synthesis, triglyceride (TG) synthesis, TG secretion, and apolipoprotein B secretion in HepG2 cells (ACC1) with EC50s of 1.6, 1.8, 3.0, and 5.7 μM, without affecting either cholesterol synthesis or apolipoprotein CIII secretion. It also inhibited both isozymes with IC50s of ∼55 nM in inhibiting HepG2 cell fatty acid and TG synthesis. CP-610431 stimulated fatty acid oxidation in C2C12 cells (ACC2) and in rat epitrochlearis muscle strips with EC50s of 57 nM and 1.3 μM.