RSK1[pS363]⁄2[pS369] PAb; Unconjugated Polyclonal antibody specific to Human, Chicken (Mouse, Rat) RSK1 [pS363]. This antibody is validated for use in Western Blot. Anti-RSK1 [pS363] recognizes the expressed product of the RPS6KA1 gene. Catalog number 44926G is same antibody as former catalog number 44926. 44926G contains 50% glycerol, which improves the stability and longevity of this antibody.