Protein Test Mixture 6 for SDS PAGE Molecular weight markers for SDS gel electrophoresis.Reconstitute with SDS sample buffer (125 mM Tris-HCl pH 6.8, 2 % SDS ,15 % glycerol, 10 mM DTT, 0.025 % bromophenol blue, 0.025 % Orange G) to final concentration of 1 mg/ml and apply 5 µl per