MAP Kinase, p44/42 (Erk1/Erk2, Extracellular Signal Regulated Kinase)

May be stored at 4 °C for short-term only. For long-term storage, store at -20 °C. Aliquots are stable for at least 12 months at -20 °C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.

Recognizes endogenous levels of total human p44/42 MAP kinase (Erk1/Erk2) protein. In some cell types, recognizes p44 MAPK more readily than p42 MAPK. Does not recognize JNK/SAPK nor p38 MAP kinase. Species Crossreactivity: Human, mouse, rat, hamster, zebrafish.