Date published: 2026-8-22

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ErbB2/HER2 Antibody (3B5): sc-33684

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Datasheets
  • ErbB2/HER2 Antibody (3B5) is a mouse monoclonal IgG1 κ ErbB2/HER2 antibody, cited in 73 publications, provided at 200 µg/ml
  • raised against a synthetic peptide corresponding to amino acids 1242-1255 of Neu of human origin
  • ErbB2/HER2 Antibody (3B5) is recommended for detection of Neu of mouse, rat and human origin by WB, IP, IF and IHC(P)
  • Anti-ErbB2/HER2 Antibody (3B5) is available conjugated to agarose for IP; HRP for WB, IHC(P) and ELISA; and to either phycoerythrin or FITC for IF, IHC(P) and FCM
  • also available conjugated to Alexa Fluor® 488, Alexa Fluor® 546, Alexa Fluor® 594 or Alexa Fluor® 647 for WB (RGB), IF, IHC(P) and FCM, and for use with RGB fluorescent imaging systems, such as iBright™ FL1000, FluorChem™, Typhoon, Azure and other comparable systems
  • also available conjugated to Alexa Fluor® 680 or Alexa Fluor® 790 for WB (NIR), IF and FCM; for use with Near-Infrared (NIR) detection systems, such as LI-COR®Odyssey®, iBright™ FL1000, FluorChem™, Typhoon, Azure and other comparable systems
  • m-IgG Fc BP-HRP, m-IgG1 BP-HRP and m-IgGκ BP-HRP are the preferred secondary detection reagents for ErbB2/HER2 Antibody (3B5) for WB and IHC(P) applications. These reagents are now offered in bundles with ErbB2/HER2 Antibody (3B5) (see ordering information below).
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Neu Antibody (3B5) is a mouse monoclonal IgG1 kappa light chain antibody that detects the Neu protein of mouse, rat, and human origin by western blotting (WB), immunoprecipitation (IP), immunofluorescence (IF), and immunohistochemistry with paraffin-embedded sections (IHCP). anti-Neu antibody (3B5) is available in both non-conjugated and various conjugated forms, including agarose, horseradish peroxidase (HRP), phycoerythrin (PE), fluorescein isothiocyanate (FITC), and multiple Alexa Fluor® conjugates. Neu, also known as ErbB-2 or HER2, is a member of the epidermal growth factor receptor (EGFR) family, which consists of receptor tyrosine kinases that play critical roles in cell signaling pathways related to growth and differentiation. Neu is primarily located on the cell membrane, where binding with ligands can form homodimers or heterodimers with other EGFR family members, such as ErbB-3. This dimerization activates downstream signaling cascades, including the phosphoinositide 3-kinase pathway, which regulates cell proliferation, survival, and motility. Aberrant expression of Neu is associated with various cancers, particularly breast carcinoma, where amplification or overexpression occurs in 20-30% of cases, making Neu a significant biomarker for disease prognosis and a potential target for therapeutic interventions. Neu monoclonal antibody (3B5) enables researchers to gain valuable insights into Neu′s role in cancer biology and therapeutic potential.

For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.

Alexa Fluor® is a trademark of Molecular Probes Inc., OR., USA

LI-COR® and Odyssey® are registered trademarks of LI-COR Biosciences

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

ErbB2/HER2 Antibody (3B5)

sc-33684
200 µg/ml
$322.00

ErbB2/HER2 Antibody (3B5): m-IgG Fc BP-HRP Bundle

sc-528486
200 µg Ab; 10 µg BP
$361.00

ErbB2/HER2 Antibody (3B5): m-IgGκ BP-HRP Bundle

sc-520877
200 µg Ab, 40 µg BP
$361.00

ErbB2/HER2 Antibody (3B5): m-IgG1 BP-HRP Bundle

sc-542962
200 µg Ab; 20 µg BP
$361.00

ErbB2/HER2 Antibody (3B5) AC

sc-33684 AC
500 µg/ml, 25% agarose
$424.00

ErbB2/HER2 Antibody (3B5) HRP

sc-33684 HRP
200 µg/ml
$322.00

ErbB2/HER2 Antibody (3B5) FITC

sc-33684 FITC
200 µg/ml
$336.00

ErbB2/HER2 Antibody (3B5) PE

sc-33684 PE
200 µg/ml
$349.00

ErbB2/HER2 Antibody (3B5) Alexa Fluor® 488

sc-33684 AF488
200 µg/ml
$364.00

ErbB2/HER2 Antibody (3B5) Alexa Fluor® 546

sc-33684 AF546
200 µg/ml
$364.00

ErbB2/HER2 Antibody (3B5) Alexa Fluor® 594

sc-33684 AF594
200 µg/ml
$364.00

ErbB2/HER2 Antibody (3B5) Alexa Fluor® 647

sc-33684 AF647
200 µg/ml
$364.00

ErbB2/HER2 Antibody (3B5) Alexa Fluor® 680

sc-33684 AF680
200 µg/ml
$364.00

ErbB2/HER2 Antibody (3B5) Alexa Fluor® 790

sc-33684 AF790
200 µg/ml
$364.00