ErbB3,also known as Her3 (human epidermal growth factor receptor 3), is a member of the epidermal growth factor receptor (EGFR) family of receptor tyrosine kinases. This membranebound glycoprotein has a neuregulin binding domain but has not an active kinase domain. It therefore can bind the ligand but cannot mediate the intracellular signal transduction through protein phosphorylation. However, it does form heterodimers with ErbB2 or other EGFR members responsible for tyrosine phosphorylation to give a receptor complex and initiate the related pathway, which lead to cell proliferation or differentiation. Overexpression of this protein has been reported in numerous cancers, including prostate, bladder, and breast tumors. This protein has different isoforms derived from alternative splicing variants, and among which, the secreted isoform lacking the intermembrane region modulates the activity of membranebound form. - Proteine/Peptide
Immobilized Human NRG1 Beta 1, Fc Tag, premium grade (Cat. No. NR1-H5268) at 2 µg/mL (100 µL/well) can bind FITC-Labeled Human ErbB3, His Tag (Cat. No. ER3-HF2H5) with a linear range of 0.625-20 µg/mL (QC tested).
FITC-Labeled Human ErbB3, His Tag on SDS-PAGE under reducing (R) condition. The gel was stained overnight with Coomassie Blue. The purity of the protein is greater than 95%.
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