Detection of Human Phospho-MSK1/MSK2 (MSK1 S376, MSK2 S360) by Western Blot. Western blot shows lysates of HEK293 human embryonic kidney cell line untreated (-) or treated (+) with 200 ng/mL Recombinant Human EGF (Catalog # 236-EG) in the presence or absence of pathway inhibitors SB203580 and PD98059 for 20 minutes. PVDF membrane was probed with 0.2 µg/mL of Rabbit Anti-Human Phospho-MSK1/MSK2 (MSK1 S376, MSK2 S360) Antigen Affinity-purified Polyclonal Antibody, followed by HRP-conjugated Anti-Rabbit IgG Secondary Antibody (Catalog # HAF008). A specific band was detected for Phospho-MSK1/MSK2 (MSK1 S376, MSK2 S360) at approximately 90 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.
Preparation and Storage
Reconstitute at 0.2 mg/mL in sterile PBS.
The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. *Small pack size (SP) is shipped with polar packs. Upon receipt, store it immediately at -20 to -70 °C
Stability & Storage
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
12 months from date of receipt, -20 to -70 °C as supplied.
1 month, 2 to 8 °C under sterile conditions after reconstitution.
6 months, -20 to -70 °C under sterile conditions after reconstitution.
Mitogen- and stress-activated protein kinase 1 (MSK1), also known as ribosomal protein S6 kinase 5 (RPS6KA5), belongs to the AGC family of kinases. Both MSK1 and the related MSK2, also known as RSKB and RPS6KA4, have two kinase domains connected by a regulatory linker region, and are activated by the mitogen-activated protein kinases ERK1, ERK2, and p38. Nuclear MSK phosphorylates and activates a number of transcription factors, including ATF1 and CREB.
Mitogen- and Stress-activated Protein Kinase 1 and 2
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