Fig. 1From: Prokaryotic expression and characterization of the heterodimeric construction of ZnT8 and its application for autoantibodies detection in diabetes mellitusPurification of TrxZnT8 from ISF by affinity chromatography. Analysis of TrxZnT8 fractions at different stages of purification by a SDS-PAGE (12.1% T, 6.0% C, 1 mm, under reducing conditions, stained with Coomassie Brilliant Blue R-250) and b WB revealed with a rabbit polyclonal serum to thioredoxin as primary antibody. In a and b, lane 1 corresponds to total ISF from transformed E. coli strain GI698, lane 2: unbound material, lane 3 and 4: washes with increasing 2ME concentrations (1 and 5 mM), lanes 5 and 6: 100 mM consecutive eluates of purified TrxZnT8. Arrows indicate the electrophoretic mobility of TrxZnT8Back to article page