ERK3 in Human Breast Cancer Tissue. ERK3 was detected in immersion fixed paraffin-embedded sections of human breast cancer tissue using 8 µg/mL Mouse Anti-Human ERK3 Monoclonal Antibody (Catalog # MAB3196) overnight at 4 °C. Tissue was stained with the Anti-Mouse HRP-DAB Cell & Tissue Staining Kit (brown; Catalog # CTS002) and counterstained with hematoxylin (blue). View our protocol for Chromogenic IHC Staining of Paraffin-embedded Tissue Sections.
Detection of Human ERK3 by Western Blot. Western blot shows lysates of U937 human histiocytic lymphoma cell line. PVDF membrane was probed with 1 µg/mL of Mouse Anti-Human ERK3 Monoclonal Antibody (Catalog # MAB3196) followed by HRP-conjugated Anti-Mouse IgG Secondary Antibody (Catalog # HAF007). A specific band was detected for ERK3 at approximately 105 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.
Preparation and Storage
Reconstitute at 0.5 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.
Extracellular signal-regulated kinase 3 (ERK3) is a serine/threonine protein kinase also known as mitogen-activated protein kinase 6 (MAPK6) and p97MAPK. Unlike ERK1 and ERK2, ERK3 lacks the phosphoacceptor sequence T-E-Y in its activation loop. This kinase also possesses a unique C-terminal extension that is missing in traditional MAPKs. Highly unstable, ERK3 is rapidly degraded following N-terminal ubiquitination.
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