Western blot analysis on SKBR3 cell lysates using anti-Phospho-HER2 (pT1221/T1222) RabMAb (Cat. #AJ1340e), 1:5000 dilution. Cells were either (A) untreated (B) treated with Lambda phosphatase.
ERBB2 HER2 NEU NGL Receptor tyrosine-protein kinase erbB-2 p185erbB2 C-erbB-2 NEU proto-oncogene Tyrosine kinase-type cell surface receptor HER2 MLN 19
Molecular Weight(MW)
137910 Da
Function
Protein tyrosine kinase that is part of several cell surface receptor complexes, but that apparently needs a coreceptor for ligand binding. Essential component of a neuregulin-receptor complex, although neuregulins do not interact with it alone. GP30 is a potential ligand for this receptor. Regulates outgrowth and stabilization of peripheral microtubules (MTs). Upon ERBB2 activation, the MEMO1-RHOA-DIAPH1 signaling pathway elicits the phosphorylation and thus the inhibition of GSK3B at cell membrane This prevents the phosphorylation of APC and CLASP2, allowing its association with the cell membrane. In turn, membrane-bound APC allows the localization of MACF1 to the cell membrane, which is required for microtubule capture and stabilization
Tissue Specificity
Expressed in a variety of tumor tissues including primary breast tumors and tumors from small bowel, esophagus, kidney and mouth
Cellular Localization
Isoform 1: Cell membrane; Single-pass type I membrane protein. Cytoplasm, perinuclear region. Nucleus Note=Translocation to the nucleus requires endocytosis, probably endosomal sorting and is mediated by importin beta-1/KPNB1 Isoform 3: Cytoplasm. Nucleus.
Western blot analysis on SKBR3 cell lysates using anti-Phospho-HER2 (pT1221/T1222) RabMAb (Cat. #AJ1340e), 1:5000 dilution. Cells were either (A) untreated (B) treated with Lambda phosphatase.
Application Notes
WB:1:5000
Additional Information
Form
Liquid
Storage Instructions
For short-term storage, store at 4° C. For long-term storage, aliquot and store at -20ºC or below. Avoid multiple freeze-thaw cycles.
Storage Buffer
50 mM Tris-Glycine (pH 7.4), 0.15 M NaCl, 40% Glycerol, 0.01% sodium azide and 0.05% BSA.