Her4 / ErbB4 is a receptor tyrosine kinase that belongs to the human epidermal growth factor receptor (EGFR) family. ErbB4/Her4 is most predominantly expressed in several breast carcinoma cell lines, and in normal skeletal muscle, heart, pituitary, brain, and cerebellum (1). ErbB4/Her4 is activated by neuregulins (NRG), betacellulin (BTC), and heparin-binding EGF-like growth factor (2). Neuregulins regulate the expression of ligand- and voltage-gated channels in neurons and skeletal muscle by the activation of ErbB 1-4. The erbB4/Her4 receptor is unique among these receptors because its C-terminal tail binds to a protein motif known as the PDZ domain (3).
Applications:
Suitable for use in Immunocytochemistry, Western Blotting. Other applications not tested.
Recommended Dilution:
Western Blot: 1:1,000-5,000
Immunocytochemistry : 1:100-250
Optimal dilutions to be determined by the researcher.
Storage and Stability:
May be stored at 4 degrees C for short-term only. For long-term storage and to avoid repeated freezing and thawing, aliquot and store at -20 degrees C. Aliquots are stable for at least 12 months at -20 degrees C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.
Manufactured incorporating RabMAb(R) technology under Epitomics US patents, No 5,675,063 and 7,429,487, owned by Abcam.
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