SDS PAGE Protein Standards
To determine the molecular weight of proteins separated in polyacrylamide gels
in the presence of SDS (SDS PAGE) SERVA offers various protein markers of
natural and recombinant origin. The molecular weight of the markers ranges
from 5 kDa up to 245 kDa. The markers are available as ready-to-use solutions
or as lyophilized protein mixtures to be dissolved in water or sample buffer.
To check the separation process during the electrophoresis run or after blotting the proteins onto a membrane you may use one of the prestained protein markers. These marker proteins are stained covalently. Due to the staining the molecular weight differs from the unstained protein and is, therefore, not suitable for molecular weight determination.