特異性：Detects endogenous 51kD human, mouse, and rat GSK-3a phosphorylated at S21 using Western Blot. Does not detect phosphorylated GSK-3b.
純度：Affinity Purified Purified by immunoaffinity chromatography.
形状：Supplied as a lyophilized powder from a 0.2um filtered solution in PBS with 5% trehalose. Reconstitute with sterile PBS, 40-50% glycerol, 0.02% sodium azide.
