Recombinant Rat Notch-1 Fc Chimera Protein, CF


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Product Details

Reactivity RtSpecies Glossary
Applications Binding Activity

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Recombinant Rat Notch-1 Fc Chimera Protein, CF Summary

Details of Functionality
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.
Mouse myeloma cell line, NS0-derived rat Notch-1 protein
Rat Notch-1
Arg20 - Glu488 (Ala208Thr & Asp334Glu)
Accession #Q07008.2
(Pro100 - Lys330)
N-terminus C-terminus
Accession #
N-terminal Sequence
Structure / Form
Disulfide-linked homodimer
Protein/Peptide Type
Recombinant Proteins
>90%, by SDS-PAGE under reducing conditions and visualized by silver stain
Endotoxin Note
<0.10 EU per 1 μg of the protein by the LAL method.


Theoretical MW
76 kDa (monomer).
Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors.
117 kDa, reducing conditions
Read Publications using
1057-TK in the following applications:

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.
  • 3 months, -20 to -70 °C under sterile conditions after reconstitution.
Lyophilized from a 0.2 μm filtered solution in PBS.
>90%, by SDS-PAGE under reducing conditions and visualized by silver stain
Reconstitution Instructions
Reconstitute at 500 μg/mL in sterile PBS.


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

Alternate Names for Recombinant Rat Notch-1 Fc Chimera Protein, CF

  • EC
  • EC
  • 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


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.

  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.

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    Gene Symbol Notch1