Recombinant Human Notch-3 (aa 40-467) Fc Chimera Protein, CF

Catalog # Availability Size / Price Qty
1559-NT-050
R&D Systems Recombinant Proteins and Enzymes
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Recombinant Human Notch-3 (aa 40-467) Fc Chimera Protein, CF Summary

Product Specifications

Purity
>90%, by SDS-PAGE under reducing conditions and visualized by silver stain
Endotoxin Level
<0.10 EU per 1 μg of the protein by the LAL method.
Activity
Measured by its binding ability in a functional ELISA. Immobilized rhNotch-3/Fc Chimera can bind rrJagged-1/Fc Chimera with an apparent KD <10 nM.
Source
Spodoptera frugiperda, Sf 21 (stably transfected)-derived human Notch-3 protein
Human Notch-3
(Ala40 - Glu467)
Accession # Q9UM47
IEGRMD Human IgG1
(Pro100 - Lys330)
N-terminus C-terminus
Accession #
N-terminal Sequence
Analysis
Ala40
Structure / Form
Disulfide-linked homodimer
Predicted Molecular Mass
71.4 kDa (monomer)
SDS-PAGE
85-95 kDa, reducing conditions

Product Datasheets

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1559-NT

Carrier Free

What does CF mean?

CF stands for Carrier Free (CF). We typically add Bovine Serum Albumin (BSA) as a carrier protein to our recombinant proteins. Adding a carrier protein enhances protein stability, increases shelf-life, and allows the recombinant protein to be stored at a more dilute concentration. The carrier free version does not contain BSA.

What formulation is right for me?

In general, we advise purchasing the recombinant protein with BSA for use in cell or tissue culture, or as an ELISA standard. In contrast, the carrier free protein is recommended for applications, in which the presence of BSA could interfere.

1559-NT

Formulation Lyophilized from a 0.2 μm filtered solution in PBS.
Reconstitution Reconstitute at 200 μg/mL in sterile PBS.
Shipping The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage: 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.
  • 3 months, -20 to -70 °C under sterile conditions after reconstitution.
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Background: Notch-3

Human Notch-3 is part of the Notch family of type I transmembrane glycoproteins involved in a number of early-event developmental processes (1). The extracellular domain of Notch receptors interact with the extracellular domain of transmembrane ligands Jagged, Delta, and Serrate expressed on the surface of a neighboring cell. In both vertebrates and invertebrates, Notch signaling is important for specifying cell fates and for defining boundaries between different cell types. The Notch molecule is synthesized as a 2321amino acid (aa) precursor that contains an 39 aa signal sequence, a 1603 aa extracellular region, a 21aa transmembrane (TM) segment and a 658 aa cytoplasmic domain. The large Notch extracellular domain has 34 EGF-like repeats followed by three notch/Lin-12 repeats (LNR) (2). The 11th and 12th EGF-like repeats of Notch have been shown to be both necessary and sufficient for binding the ligands Serrate and Delta, in Drosophila (3). Notch-3 has the same biochemical mechanism of signal tranduction as Notch-1, where a series of cleavage 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.

Mutations in Notch-3 in humans cause an autosomal dominant condition called CADASIL (cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy). This disorder is characterized by recurrent ischemic strokes at an early age without any underlying vascular risk and progressive dementia. Nearly all mutations leading to this disorder are clustered in the first 5 EGF repeats of the Notch-3 gene (5). Human Notch-3 shows 90% aa identity to mouse Notch-3 over the entire protein.

References
  1. Weinmaster, G. (2000) Curr. Opin. Genet. Dev. 10:363.
  2. Joutel, A. et al. (1996) Nature 383:707.
  3. Rebay, I. et al. (1991) Cell 67:687.
  4. Mizutani, T. et al. (2001) Proc. Natl. Acad. Sci. USA 98:9026.
  5. Joutel, A. and E. Tounier-Lasserve (1998) Sem Cell & Dev Biol. 9:619.
Entrez Gene IDs
4854 (Human); 18131 (Mouse)
Alternate Names
CADASIL; CASILneurogenic locus notch homolog protein 3; Notch (Drosophila) homolog 3; notch 3Notch homolog 3 (Drosophila); Notch homolog 3; Notch3; Notch-3

Citations for Recombinant Human Notch-3 (aa 40-467) Fc Chimera Protein, CF

R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions.

3 Citations: Showing 1 - 3
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  1. Determination of Blood NOTCH3 Extracellular Domain and Jagged-1 Levels in Healthy Subjects
    Authors: H Kim, B Jang, YJ Kim, JC Choi
    International Journal of Molecular Sciences, 2022-09-11;23(18):.
    Species: Human
    Sample Types: Serum
    Applications: ELISA (Standard)
  2. NOTCH3 Is Induced in Cancer-Associated Fibroblasts and Promotes Angiogenesis in Oral Squamous Cell Carcinoma
    PLoS ONE, 2016-04-28;11(4):e0154112.
    Species: Human
    Sample Types: Whole Cells
    Applications: Bioassay
  3. Inhibition of Dll4-mediated signaling induces proliferation of immature vessels and results in poor tissue perfusion.
    Authors: Scehnet JS, Jiang W, Kumar SR, Krasnoperov V, Trindade A, Benedito R, Djokovic D, Borges C, Ley EJ, Duarte A, Gill PS
    Blood, 2007-02-20;109(11):4753-60.
    Species: Human
    Sample Types: Recombinant Protein, Whole Cells
    Applications: Binding Assay, Bioassay

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