Purity:Purified by Protein G affinity chromatography.
Form:Supplied as a lyophilized powder from a 0.2um filtered solution in PBS with 5% trehalose. Reconstitute with sterile PBS, 40-50% glycerol. If 0.2ml is used, the concentration will be 0.5mg/ml.
Specificity:Detects endogenous human RSK4 at 90kD using Western Blot. Does not crossreact with recombinant human RSK1, RSK2, or RSK3.