Notch-2 Antibody


Notch‑2 was detected in perfusion fixed frozen sections of rat brain (choroid plexus) using 5 µg/mL Goat Anti-Rat Notch‑2 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF1190) more
Notch‑2 was detected in immersion fixed frozen sections of embryonic rat liver (15 d.p.c.) using 1.7 µg/mL Goat Anti-Rat Notch‑2 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF1190) more

Product Details

Reactivity RtSpecies Glossary
Applications WB, Flow, IHC, B/N, CyTOF-ready

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Notch-2 Antibody Summary

Mouse myeloma cell line NS0-derived recombinant rat Notch-2
Accession # Q9QW30
Detects rat Notch-2 in direct ELISAs and Western blots. In direct ELISAs and Western blots, approximately 5% cross-reactivity with recombinant rat Notch‑1 is observed, and less than 1% cross-reactivity with recombinant mouse Notch‑3 is observed.
Immunogen affinity purified
Purity Statement
Antigen Affinity-purified
Endotoxin Note
<0.10 EU per 1 μg of the antibody by the LAL method.
Innovator's Reward
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  • Western Blot 0.1 ug/mL
  • Flow Cytometry 2.5 ug/10^6 cells
  • Immunohistochemistry 5-15 ug/mL
  • Blockade of Receptor-ligand Interaction
  • CyTOF-ready

Packaging, Storage & Formulations

Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 6 months, -20 to -70 °C under sterile conditions after reconstitution.
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied as a 0.2 µm filtered solution in PBS.
No Preservative
Immunogen affinity purified
Reconstitution Instructions
Reconstitute at 0.2 mg/mL in sterile PBS.


This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.

Alternate Names for Notch-2 Antibody

  • AGS2
  • hN2
  • neurogenic locus notch homolog protein 2
  • Notch (Drosophila) homolog 2
  • notch 2Notch homolog 2 (Drosophila)
  • Notch homolog 2
  • Notch2
  • Notch-2


Rat Notch-2 is a 300 kDa, type I transmembrane glycoprotein involved in a number of early-event developmental processes (1). In both vertebrates and invertebrates, Notch signaling is important for specifying cell fates and for defining boundaries between different cell types. The molecule is synthesized as a 2472 amino acid (aa) precursor that contains a putative 27 aa signal sequence, a 1650 aa extracellular region, a 23 aa transmembrane (TM) segment and a 772 aa cytoplasmic domain (2). The large Notch extracellular domain has 36 EGF-like repeats followed by three notch/Lin-12 repeats (LNR). Of the 36 EGF-like repeats, the 11th and 12thEGF-like repeats have been shown to be both necessary and sufficient for binding the ligands Serrate and Delta, in Drosophila (3). Cell surface Notch receptor is thought to be a heterodimer consisting of the ligand binding extracellular region associated with the remaining transmembrane protein, as a result of post-translational proteolytic cleavage by a furin-like enzyme. Upon ligand binding, additional proteolysis events result in the release of the Notch intracellular domain (NICD). NICD translocates into the nucleus and initiates transcription of Notch-responsive genes (4). Thus Notch acts as both a ligand-binding receptor and a nuclear factor that regulates transcription. In addition, an alternative Notch signaling pathway that is mediated by the full-length, uncleaved form of Notch-1 at the cell surface has been reported to suppress differentiation of myoblasts in response to ligand binding (5). Rat Notch-2 shows 92% and 95% aa identity to human and mouse Notch-2 extracellular domains, respectively. Relative to the extracellular region of rat Notch-1, rat Notch-2 exhibits 56% aa identity.

  1. Weinmaster, G. (2000) Curr. Opin. Genet. Dev. 10:363.
  2. Weinmaster, G. (1992) Development 116:931.
  3. Rebay, I. et al. (1991) Cell 67:687.
  4. Mumm, J.S. and R. Kopan (2000) Dev. Biol. 228:151.
  5. Bush, G. et al. (2001) Dev. Biol. 229:494.


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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Biotin BAF1190

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Gene Symbol NOTCH2