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Assay Method Information

Assay Name:  Inhibition Assay
Description:  Preparation of rhACC1. Two liters of SF9 cells, infected with recombinant baculovirus containing full length human ACC1 cDNA, were suspended in ice-cold lysis buffer (25 mM Tris, pH 7.5; 150 mM NaCl; 10% glycerol; 5 mM imidazole (EMD Bioscience; Gibbstown, N.J.); 2 mM TCEP (BioVectra; Charlottetown, Canada); Benzonase nuclease (10000 U/100 g cell paste; Novagen; Madison, Wis.); EDTA-free protease inhibitor cocktail (1 tab/50 mL; Roche Diagnostics; Mannheim, Germany). Cells were lysed by 3 cycles of freeze-thaw and centrifuged at 40,000xg for 40 minutes (4 C.). Supernatant was directly loaded onto a HisTrap FF crude column (GE Healthcare; Piscataway, N.J.) and eluted with an imidazole gradient up to 0.5 M over 20 column volumes (CV). ACC1-containing fractions were pooled and diluted 1:5 with 25 mM Tris, pH 7.5, 2 mM TCEP, 10% glycerol and direct loaded onto a CaptoQ (GE Healthcare) column and eluted with an NaCl gradient up to 1 M over 20 CV's.
Affinity data for this assay
 

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Last update November 1, 2007
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