Fig. 10From: Optimization of expression, purification and secretion of functional recombinant human growth hormone in Escherichia coli using modified staphylococcal protein a signal peptidePurification of hHG using ion exchange chromatography and SDS-PAGE analysis. Panel A: Columns 1 to 5, hGH before purification. Panel B: Column 1 shows the final purified protein by affinity chromatography after the final cleansing of the hGH through the use of salt., the figure was cropped and grouped from different part of the different gels and was made explicit using white space between panel A and panel BBack to article page