| Assay Method Information | |
| | Inhibition Assay |
| Description: | The enzyme preparation used in this assay is a membrane preparation from Sf9 cells overexpressing human (His)6DGAT1. During all steps samples were chilled to 4 C. Sf9 cells expressing human (His)6DGAT1 were thawed at RT and re-suspended at a 10:1 ratio (mL buffer/g of cells) in 50 mM HEPES, 1x Complete Protease Inhibitor, pH 7.5.The re-suspended pellet was homogenized for 1 min using a Brinkman PT 10/35 homogenizer with a 20 mm generator. Cells were lysed using Avestin Emulsiflex (chilled to 4 C.) at 10000-15000 psi. Lysate was centrifuged at 100,000x g for 1 h at 4 C. Supernatant was removed and pellets were re-suspended in 50 mM HEPES, 1x Complete Protease Inhibitor, pH 7.5 at 1/6 the volume of supernatant. Re-suspended pellets were pooled and homogenized with 10 strokes of a Glas-Col motor driven teflon pestle on setting 70. The protein concentration of the membrane preparation was quantified using BCA protein assay with 1% SDS. |
| Affinity data for this assay | |
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