Recombinant Anti-ERBB3 (Domain 3 x Domain 4) Biparatopic Antibody, Tandem scFv (Clone 920104 x Clone 1126)

CAT#: VS-0525-YC74

The Recombinant Anti-ERBB3 (Domain 3 x Domain 4) Biparatopic Antibody, Tandem scFv (Clone 920104 x Clone 1126) is a biparatopic antibody (bpAb) designed to interact with two different ERBB3 epitopes. This bpAb's tandem scFv links the 920104 scFv (targeting Domain 3, a ligand binding region) N-terminally to the 1126 scFv (specific for Domain 4, Cysteine-rich region 1, CR1). Clone 920104 also demonstrates efficacy in blocking ligand binding to human ERBB3.

Gene Expression
Figure 1 IF staining of human cell line U-2 OS Figure 2 IHC staining of human testis Figure 3 IHC staining of human small intestine Figure 4 IHC staining of human kidney Figure 5 IF staining of human cell line A-431 Figure 6 IF staining of human cell line U-251 MG Figure 7 Cerebral cortex Figure 8 Colon Figure 9 Liver Figure 10 Kidney Figure 11 Testis Figure 12 Skin Figure 13 Lymph node Figure 14 RNA cell line category: Cell line enhanced (Hep G2, OE19, RT4, SK-BR-3, SK-MEL-30, T-47d, WM-115)

Specifications

  • Host Animal 1
  • Mouse
  • Host Animal 2
  • Mouse
  • Specificity
  • Human ERBB3
  • Species Reactivity
  • Human
  • Type
  • Tandem scFv
  • Valency
  • 1 + 1
  • Clone 1
  • 920104
  • Clone 2
  • 1126
  • Epitope 1
  • Domain 3 (for ligand binding)
  • Epitope 2
  • Domain 4 (Cysteine-rich region 1, CR1)
  • Purity
  • >90%
  • Purification
  • Affinity purified
  • Applications
  • ELISA, FC
  • Concentration
  • Lot specific
  • Buffer
  • PBS, pH 7.4
  • Preservative
  • No preservatives
  • Storage
  • Store at 4°C for short term. Aliquot and store at -20°C for long term. Avoid freeze-thaw cycles.
  • Long Name
  • Erb-B2 Receptor Tyrosine Kinase 3

Target

  • Introduction
  • This gene encodes a member of the epidermal growth factor receptor (EGFR) family of receptor tyrosine kinases. This membrane-bound protein has a neuregulin binding domain but not an active kinase domain. It therefore can bind this ligand but not convey the signal into the cell through 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.
  • Alternative Names
  • HER3; FERLK; LCCS2; VSCN1; ErbB-3; c-erbB3; erbB3-S; MDA-BF-1; c-erbB-3; p180-ErbB3; p45-sErbB3; p85-sErbB3
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