Recombinant Rat Notch-1 Fc Chimera Protein, CF

Catalog # Availability Size / Price Qty
1057-TK-050
Product Details
Citations (4)
FAQs
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Recombinant Rat Notch-1 Fc Chimera Protein, CF Summary

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 rrNotch-1/Fc Chimera can bind rrJagged-1/Fc Chimera with an apparent KD <5 nM.
Source
Mouse myeloma cell line, NS0-derived rat Notch-1 protein
Rat Notch-1
Arg20 - Glu488 (Ala208Thr & Asp334Glu)
Accession #Q07008.2
IEGRMD Human IgG1
(Pro100 - Lys330)
N-terminus C-terminus
Accession #
N-terminal Sequence
Analysis
Arg20
Structure / Form
Disulfide-linked homodimer
Predicted Molecular Mass
76 kDa (monomer)
SDS-PAGE
117 kDa, reducing conditions

Product Datasheets

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.

1057-TK

Formulation Lyophilized from a 0.2 μm filtered solution in PBS.
Reconstitution Reconstitute at 500 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-1

Rat Notch-1 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 2531 amino acid (aa) precursor that contains an 18 aa signal sequence, a 1705 aa extracellular region, a 23 aa transmembrane (TM) segment and a 785 aa cytoplasmic domain (2). The large Notch-1 extracellular domain has 36 EGF-like repeats followed by three notch/Lin-12 repeats. Of the 36 EGF-like repeats, the 11th and 12th EGF-like repeats have been shown to be both necessary and sufficient for binding the ligands Delta and Serrate, in Drosophila (3). The Notch-1 cytoplasmic domain contains six ankyrin repeats, a glutamine-rich domain and a PEST sequence. The Notch-1 receptor undergoes post-translational proteolytic cleavage by a furin-like enzyme to form a heterodimer of the 1635 aa ligand binding extracellular region and the 877 aa transmembrane protein (4). Upon ligand binding, additional sequential proteolysis by TNF-converting enzyme and the Presenilin-dependent gamma -secretase results in the release of the Notch intracellular domain (NCID) which translocates into the nucleus where it functions as a transcription activator to initiate transcription of Notch-responsive genes (5). An alternative Notch signaling pathway that is mediated by the full-length form of Notch that has not been cleaved by the furin-like enzyme has also been reported (6). The rat Notch-1 extracellular domain shows 86% and 97% aa identity to human and mouse Notch-1 extracellular domains respectively. It also exhibits 56% and 50% aa identity with rat Notch-2 and Notch-3 extracellular domains, respectively.

References
  1. Weinmaster, G. (2000) Curr. Opin. Genet. Dev. 10:363.
  2. Weinmaster, G. et al. (1991) Development 113:199.
  3. Rebay, I. et al. (1991) Cell 67:687.
  4. Rogeat, F. et al. (1998) Proc. Natl. Acad. Sci. USA 95:8108.
  5. Mumm, J.S. and R. Kopan (2000) Dev. Biol. 228:151.
  6. Bush, G. et al. (2001) Dev. Biol. 229:494.
Entrez Gene IDs
4851 (Human); 25496 (Rat)
Alternate Names
EC 2.1.2.11; EC 3.4.21.68; hN1; Notch (Drosophila) homolog 1 (translocation-associated); notch 1Notch homolog 1, translocation-associated (Drosophila); Notch homolog 1, translocation-associated; Notch1; Notch-1; TAN1; TAN1neurogenic locus notch homolog protein 1; Translocation-associated notch protein TAN-1

Citations for Recombinant Rat Notch-1 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.

4 Citations: Showing 1 - 4
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  1. Selective regulation of Notch ligands during angiogenesis is mediated by vimentin
    Authors: D Antfolk, M Sjöqvist, F Cheng, K Isoniemi, CL Duran, A Rivero-Mul, C Antila, R Niemi, S Landor, CVC Bouten, KJ Bayless, JE Eriksson, CM Sahlgren
    Proc. Natl. Acad. Sci. U.S.A., 2017;0(0):.
    Species: Mouse
    Sample Types: Whole Cells
    Applications: Bioassay
  2. Delta/Notch-Like EGF-Related Receptor (DNER) Is Not a Notch Ligand
    PLoS ONE, 2016;11(9):e0161157.
    Species: Human
    Sample Types: Whole Cells
    Applications: Bioassay
  3. Self-renewal of embryonic-stem-cell-derived progenitors by organ-matched mesenchyme.
    Authors: Sneddon, Julie B, Borowiak, Malgorza, Melton, Douglas
    Nature, 2012;491(7426):765-8.
    Species: Human
    Sample Types: Whole Cells
    Applications: Cell Culture
  4. Evidence for a role for notch signaling in the cytokine-dependent survival of activated T cells.
    Authors: Bheeshmachar G, Purushotaman D, Sade H, Gunasekharan V, Rangarajan A, Sarin A
    J. Immunol., 2006;177(8):5041-50.
    Species: Mouse
    Sample Types: Whole Cells
    Applications: Bioassay

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