ERK5 [pTpY218⁄220] PAb; Unconjugated Polyclonal antibody specific to Human, (Mouse) ERK5 [pT218⁄pY220]. This antibody is validated for use in Western Blot, Immunohistochemistry. Anti-ERK5 [pT218⁄pY220] recognizes the expressed product of the MAPK7 gene. Catalog number 44612G is same antibody as former catalog number 44612. 44612G contains 50% glycerol, which improves the stability and longevity of this antibody.