Protein Marker Selection Chart Choose the most suitable Protein Marker for bis-acrylamide gel electrophoresis wether you use them for Western blotting, SDS-PAGE or other. Buy a Protein MarkerProtein Marker promotions Protein markers available from Civic Bioscience Side-by-side comparison of PageRuler and Blue Plus protein Markers Lane 1: PageRuler PreStained Marker Lane 2: Blue Plus Protein Marker Lane 3: Blue Plus II Protein Marker Lane 4: Blue Plus III Protein Marker Protein Markers & Detection Product Shop Promotions Homepage