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Recombinant Human Notch-2 Fc Chimera Protein, CF

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Product Details

Summary
Reactivity HuSpecies Glossary
Applications Binding Activity
Format
Carrier-Free

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Recombinant Human Notch-2 Fc Chimera Protein, CF Summary

Details of Functionality
Measured by its binding ability in a functional ELISA. Immobilized rhNotch-2/Fc Chimera can bind rrJagged-1/Fc Chimera with an apparent KD <10 nM.
Source
Chinese Hamster Ovary cell line, CHO-derived human Notch-2 protein
Human Notch-2
(Leu26-Gln530)
Accession # Q04721		 IEGRMD Human IgG1
(Pro100-Lys330)
N-terminus C-terminus
Accession #
N-terminal Sequence
Leu26
Structure / Form
Disulfide-linked homodimer
Protein/Peptide Type
Recombinant Proteins
Gene
NOTCH2
Purity
>90%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining.
Endotoxin Note
<0.01 EU per 1 μg of the protein by the LAL method.

Applications/Dilutions

Dilutions
  • Binding Activity
Theoretical MW
80.6 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.
SDS-PAGE
115 kDa, reducing conditions

Packaging, Storage & Formulations

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.
Buffer
Lyophilized from a 0.2 μm filtered solution in PBS.
Purity
>90%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining.
Reconstitution Instructions
Reconstitute at 500 μg/mL in sterile PBS.

Notes

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

Alternate Names for Recombinant Human Notch-2 Fc Chimera Protein, CF

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

Background

Human Notch-2 is a 300 kDa type I transmembrane glycoprotein that is one of four human Notch homologues involved in developmental processes (1-3). Although Notch proteins are structurally and functionally similar, deletion of either Notch-1 or Notch-2 is lethal, showing that not all functions overlap (4, 5). Mice with hypomorphic Notch-2 show defects in the development of kidney, heart and eyes (6). Notch-2 is upregulated in mature B cells and is critical for differentiation to splenic marginal zone B cells (7). Notch-2 is also preferentially expressed in choroid plexus epithelia and neuronal precursors (8, 9). Human Notch-2 is synthesized as a 2471 amino acid (aa) precursor that contains a 25 aa signal sequence, a 1652 aa extracellular domain (ECD), and a 794 aa transmembrane (TM) and cytoplasmic segment. The ECD contains 35 EGF-like repeats and three Lin-12/Notch repeats, while the cytoplasmic region shows six ankyrin repeats, a glutamine-rich domain and a PEST sequence. Binding of ligands, including Jagged and Delta-like molecules in humans, has been localized to the 11th and 12th EGF-like repeats of Notch (10). Notch receptors undergo post-translational furin-type proteolytic cleavage (11). This forms a heterodimer through the interaction of a hydrophobic area in the ligand-binding extracellular region with the TM/cytoplasmic portion (11, 12). Upon ligand binding, additional sequential proteolysis by TNF-converting enzyme (ADAM-17) and the presenilin-dependent gamma -secretase results in the release of the Notch intracellular domain (NICD) which translocates into the nucleus, activating transcription of Notch-responsive genes (13). Human Notch-2 ECD (aa 26-30) shows 93%, 93%, 96% and 96% aa identity with the corresponding regions of mouse, rat, canine, and bovine Notch-2, respectively. This region also exhibits approximately 60% aa identity with human Notch-1 and Notch-3.

  1. Stifani, S. et al. (1992) Nat. Genet. 2:119.
  2. Dumortier, A. et al. (2005) Int. J. Hematol. 82:277.
  3. Yoon, K. and N. Gaiano (2005) Nat. Neurosci. 8:709.
  4. Hamada, Y. et al. (1999) Development 126:3415.
  5. Shimizu, K. et al. (2002) Biochem. Biophys. Res. Comm. 291:775.
  6. McCright, B. et al. (2001) Development 128:491.
  7. Saito, T. et al. (2003) Immunity 18:675.
  8. Irvin, D. K. et al. (2001) J. Comp. Neurol. 436:167.
  9. Solecki, D. J. et al. (2001) Neuron 31:557.
  10. Hambleton, S. et al. (2004) Structure 12:2173.
  11. Logeat, F. et al. (1998) Proc. Natl. Acad. Sci. USA 95:8108.
  12. Sanchez-Irizarry, C. et al. (2004) Mol. Cell. Biol. 24:9265.
  13. Mumm, J.S. and R. Kopan (2000) Dev. Biol. 228:151.

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Recombinant Human
Notch-2 Fc Chimera Pr ...
3735-NT
Recombinant Human Notch-2 Fc Chimera Protein, CF
Species: Hu
Applications: Binding Activity

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Bioinformatics

Gene Symbol NOTCH2
Uniprot