Protein Marker, where the cells are a mixture of purified protein and known amino acid sequence, containing a mixture of 6 individual protein fragments (MW): 98, 66, 45, 31, 20, 14kDa.
Form
20 mM Tris-HCl (pH 7.5), 2.5 mM EDTA, 2 mM DTT, 5% glycerol.