ErbB3/Her3 Antibody (2B11D11)


Western Blot: ErbB3/Her3 Antibody (2B11D11) [NBP1-47422] - Analysis using ERBB3 mouse mAb against truncated Trx-ERBB3 recombinant protein (1), MBP-ERBB3 (aa1175-1275) recombinant protein (2) and truncated more

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ErbB3/Her3 Antibody (2B11D11) Summary

Purified recombinant fragment of ERBB3(aa1175-1275) expressed in E. Coli.
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  • Western Blot 1:500 - 1:2000
  • ELISA 1:10000
Positive Control
ErbB3/Her3 Lysate (NBP2-64690)

Packaging, Storage & Formulations

Store at 4C short term. Aliquot and store at -20C long term. Avoid freeze-thaw cycles.
0.03% Sodium Azide

Alternate Names for ErbB3/Her3 Antibody (2B11D11)

  • c-erbB3
  • EC 2.7.10
  • EC
  • ErbB3
  • ErbB-3
  • erbB3-S
  • HER3
  • HER3c-erbB-3
  • LCCS2
  • lethal congenital contracture syndrome 2
  • MDA-BF-1
  • MGC88033
  • p180-ErbB3
  • p45-sErbB3
  • p85-sErbB3
  • Proto-oncogene-like protein c-ErbB-3
  • receptor tyrosine-protein kinase erbB-3
  • Tyrosine kinase-type cell surface receptor HER3
  • v-erb-b2 erythroblastic leukemia viral oncogene homolog 3 (avian)


The ErbB3 gene encodes a member of the epidermal growth factor receptor (EGFR) family of receptor tyrosine kinases. ErbB3 is a membrane-bound protein which has a neuregulin binding domain but not an active kinase domain. It can therefore bind this ligand but cannot convey a signal into the cell via protein phosphorylation. However it does form heterodimers with other EGF receptor family members which do have kinase activity. Heterodimerization leads to the activation of pathways which lead to cell proliferation or differentiation. Amplification of this gene and/or overexpression of its protein have been reported in numerous cancers including prostate, bladder and breast tumors. Alternate transcriptional splice variants encoding different isoforms have been characterized. One isoform lacks the intermembrane region and is secreted outside the cell. This form acts to modulate the activity of the membrane-bound form. Additional splice variants have also been reported but they have not been thoroughly characterized.


This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.

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Positive Control Lysate(s)

Secondary Antibodies


Isotype Controls

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Gene Symbol ERBB3