Human/Mouse/Rat ERK2 Antibody

  
  • Species Reactivity
    Human, Mouse, Rat
  • Specificity
    Detects human, mouse, and rat ERK2. Also recognizes ERK1 in some cell types at much lower affinity.
  • Source
    Polyclonal Goat IgG
  • Purification
    Antigen Affinity-purified
  • Immunogen
    E. coli-derived recombinant human ERK2
    Met1-Ser360
    Accession # P28482
  • Formulation
    Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied as a 0.2 µm filtered solution in PBS.
  • Label
    Unconjugated
Applications
  •  
    Recommended
    Concentration
    Sample
  • Western Blot
    1 µg/mL
    See below
  • Immunohistochemistry
    3-15 µg/mL
    See below
Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.
Data Examples
Detection of Human and Mouse ERK2 by Western Blot. Western blot shows lysates of HeLa human cervical epithelial carcinoma cell line, U937 human histiocytic lymphoma cell line, TS1 mouse helper T cell line, and NIH‑3T3 mouse embryonic fibroblast cell line. PVDF membrane was probed with 1 µg/mL of Goat Anti-Human/Mouse/Rat ERK2 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF12301) followed by HRP-conjugated Anti-Goat IgG Secondary Antibody (Catalog # HAF109). A specific band was detected for ERK2 at approximately 42 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.
Immunohistochemistry
ERK2 in Human Breast. ERK2 was detected in immersion fixed paraffin-embedded sections of human breast using Goat Anti-Human/Mouse/Rat ERK2 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF12301) at 3 µg/mL for 1 hour at room temperature followed by incubation with the Anti-Goat IgG VisUCyte™ HRP Polymer Antibody (Catalog # VC004). Tissue was stained using DAB (brown) and counterstained with hematoxylin (blue). Specific staining was localized to cytoplasm in epithelial cells. View our protocol for IHC Staining with VisUCyte HRP Polymer Detection Reagents.
Preparation and Storage
  • Reconstitution
    Reconstitute at 0.2 mg/mL in sterile PBS.
  • Shipping
    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.
Background: ERK2

ERK1 and ERK2 (also known as MAPK3 and MAPK1) are 44 and 42 kDa Ser/Thr kinases, respectively. They are part of the Ras-Raf-ERK signal transduction cascade often found downstream of growth factor receptor activation. ERK1 and ERK2 were initially isolated and cloned as kinases activated in response to insulin and NGF. They are expressed in most, if not all, mammalian tissues. Dual threonine and tyrosine phosphorylation activate both ERKs, at Thr202/Tyr204 for human ERK1 and Thr185/Tyr187 for human ERK2.

ERK5, also known as Big Mitogen-activated Protein Kinase 1 (BMK1) and MAPK7, is activated by several mechanisms, including receptor tyrosine kinases, G protein-coupled receptors, and osmotic stress. Like ERK1 and ERK2, ERK5 contains the conserved Thr-Glu-Tyr activation motif in its activation loop. Unlike these ERKs, however, ERK5 contains a unique C-terminal domain that regulates its activation and nuclear translocation.

  • Long Name:
    Extracellular Signal-regulated Kinase 2
  • Entrez Gene IDs:
    5594 (Human); 26413 (Mouse); 116590 (Rat)
  • Alternate Names:
    EC 2.7.11; EC 2.7.11.24; ERK; ERK2; ERK-2; ERK2MAP kinase isoform p42; ERT1; Extracellular signal-regulated kinase 2; MAP kinase 1; MAP kinase 2; MAPK 1; MAPK1; MAPK2; mitogen-activated protein kinase 1; Mitogen-activated protein kinase 2; p38; p40; p41; p41mapk; p42mapk; p42-MAPK; PRKM1; PRKM1MAPK 2; PRKM2; protein tyrosine kinase ERK2
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