Perfused isolated rat heart whole tissue lysate was lysed with either A) 50 mM Tris-HCl, 150 mM NaCl, 1 mM EDTA, 1% NP-40, 0.1% SDS, 0.5% Na-deoxycholate, 1 mM Na3VO4, 20 mM NaF, 1 mM PMSF, 5 v/v % protease inhibitor cocktail or B) T-PER Tissue Protein Extraction Reagent [# 785101; Pierce], containing 1mM Na3VO4, 20 mM NaF, 5 v/v % protease inhibitor cocktail (Sigma); PVDF membrane was incubated in primary Ab [rabbit polyclonal antibody against ACO2. Solution: 1:1000 diluted in 5% NFM TBS-T 0,05 for overnight (15 hrs) at 4 ?. Data courtesy of Boglarka Laczy M.D., Division of Cardiovascular Disease, Dept. of Medicine, University of Alabama at Birmingham.