Fig. 3From: Production and purification of chimeric HBc virus-like particles carrying influenza virus LAH domain as vaccine candidatesExtraction of the LAH3-HBc protein from yeast cell lysates. a Coomassie-stained PAAG illustrating individual purification steps. Target protein corresponding band is marked by arrowhead. Sup, protein content in cell supernatant; PEG, protein precipitate loaded onto SEC column; 1–5, SEC fractions corresponding to column profile (b). c Electron microscopy analysis of VLP region from SEC elutionBack to article page