Author: Myllykoski, Matti; Kursula, Petri
Title: Structural aspects of nucleotide ligand binding by a bacterial 2H phosphoesterase Document date: 2017_1_31
ID: 0a3okta0_39
Snippet: LigT was overexpressed in the BL21(DE3) strain using ZYM-5052 autoinduction medium [35] , supplemented with 100 μg/ml ampicillin and 0.01% Antifoam 204 (Sigma). The expression culture was incubated at +37˚C for 24 h. Overexpression did not lead to any obvious toxic effects. The dry cell weight was around 12 g for 1 liter of culture. Cells were harvested by centrifugation and resuspended in lysis buffer containing 50 mM Na-HEPES (pH 7.5), 500 mM.....
Document: LigT was overexpressed in the BL21(DE3) strain using ZYM-5052 autoinduction medium [35] , supplemented with 100 μg/ml ampicillin and 0.01% Antifoam 204 (Sigma). The expression culture was incubated at +37˚C for 24 h. Overexpression did not lead to any obvious toxic effects. The dry cell weight was around 12 g for 1 liter of culture. Cells were harvested by centrifugation and resuspended in lysis buffer containing 50 mM Na-HEPES (pH 7.5), 500 mM NaCl, 20 mM imidazole, 0.5 mM TCEP, and 1x EDTA-free protease inhibitor (Roche). The suspension was flash-frozen in liquid nitrogen and stored at -70˚C until use.
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