Recombinant Mouse Neuropilin-1 Protein, CF

Catalog # Availability Size / Price Qty
5994-N1-050
R&D Systems Recombinant Proteins and Enzymes
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Citations (4)
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Recombinant Mouse Neuropilin-1 Protein, CF Summary

Product Specifications

Purity
>95%, 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 Recombinant Mouse Neuropilin‑1 can bind recombinant human VEGF165 with an apparent KD <1 nM.
Source
Mouse myeloma cell line, NS0-derived mouse Neuropilin-1 protein
Phe22-Pro856, with a C-terminal 6-His tag
Accession #
N-terminal Sequence
Analysis
Phe22
Structure / Form
Noncovalently-linked homodimer
Predicted Molecular Mass
94.5 kDa (monomer)
SDS-PAGE
100-120 kDa, reducing conditions

Product Datasheets

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5994-N1

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.

5994-N1

Formulation Lyophilized from a 0.2 μm filtered solution in PBS.
Reconstitution Reconstitute at 500 μg/mL in 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: Neuropilin-1

Neuropilin-1 (Npn-1, previously neuropilin; also CD304 or BDCA4 in humans) is a 130‑140 kDa type I transmembrane (TM) glycoprotein that regulates axon guidance and angiogenesis (1‑4). The full-length 923 amino acid (aa) mouse Npn-1 contains a 623 aa extracellular domain (ECD) that shares 98% aa identity with rat and 93% aa identity with human, equine, bovine and canine Npn-1 (3, 4). The ECD contains two N-terminal CUB domains (termed a1a2), two domains with homology to coagulation factors V and VIII (b1b2) and a MAM (meprin) domain (c). At least one splice variant that diverges at aa 587 and lacks the TM domain has been sequenced (5). This form is potentially a soluble antagonist, based on results from human Npn-1 splice variants (1, 6‑8). The sema domains of Class III secreted semaphorins such as Sema3A bind Npn-1 a1a2 (9). Heparin, the heparin-binding forms of VEGF (VEGF165, VEGF-B and VEGF-E), PlGF (PlGF2), and the C‑terminus of Sema3 bind the b1b2 region (9, 10). Npn-1 and Npn-2 share 48% aa identity within the ECD and can form homo- and hetero-oligomers via interaction of their MAM domains (1). Neuropilins show partially overlapping expression in neuronal and endothelial cells during development (1, 2). Both Neuropilins act as co-receptors with plexins, mainly plexin A3 and A4, to bind class III semaphorins that mediate axon repulsion (11). However, only Npn-1 binds Sema3A, and only Npn-2 binds Sema3F (1). Both are co‑receptors with VEGF R2 (also called KDR or Flk-1) for VEGF165 binding (1). Sema3A signaling can be blocked by VEGF165, which has higher affinity for Npn-1 (12). Npn-1 is preferentially expressed in developing or remodeling arteries (1, 2). Npn-1 is also expressed on dendritic cells and mediates DC-induced T cell proliferation (13).

References
  1. Bielenberg, D.R. et al. (2006) Exp. Cell Res. 312:584. 
  2. Gu, C. et al. (2003) Dev. Cell 5:45. 
  3. He, Z. and M. Tessier-Lavigne (1997) Cell 90:739.
  4. Soker, S. et al. (1998) Cell 92:735.
  5. Entrez Accession # EDL11827.
  6. Gagnon, M.L. et al. (2000) Proc. Natl. Acad. Sci. USA 97:2573. 
  7. Cackowski, F.C. et al. (2004) Genomics 84:82. 
  8. Rossignol, M. et al. (2000) Genomics 70:211.
  9. Gu, C. et al. (2002) J. Biol. Chem. 277:18069.
  10. Mamluk, R. et al. (2002) J. Biol. Chem. 277:24818.
  11. Yaron, A. et al. (2005) Neuron 45:513.
  12. Narazaki, M. and G. Tosato (2006) Blood 107:3892.
  13. Tordjman, R. et al. (2002) Nat. Immunol. 34:77.
Entrez Gene IDs
8829 (Human); 18186 (Mouse); 246331 (Rat); 100286859 (Porcine)
Alternate Names
BDCA4; BDCA-4; CD304 antigen; CD304; DKFZp686A03134; DKFZp781F1414; neuropilin 1; Neuropilin1; Neuropilin-1; NP1; NRP; NRP1; transmembrane receptor; Vascular endothelial cell growth factor 165 receptor; VEGF165R

Product Specific Notices

This product or the use of this product is covered by U.S. Patents owned by The Regents of the University of California. This product is for research use only and is not to be used for commercial purposes. Use of this product to produce products for sale or for diagnostic, therapeutic or drug discovery purposes is prohibited. In order to obtain a license to use this product for such purposes, contact The Regents of the University of California.

U.S. Patent # 6,054,293, 6,623,738, and other U.S. and international patents pending.

Citations for Recombinant Mouse Neuropilin-1 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. Neuropilin 1 binds platelet-derived growth factor (PDGF)-D and is a co-receptor in PDGF-D/PDGF receptor ? signaling
    Authors: L Muhl, EB Folestad, H Gladh, Y Wang, C Moessinger, L Jakobsson, U Eriksson
    J. Cell. Sci, 2017-03-02;0(0):.
    Applications: Bioassay
  2. Synergistic Binding of Vascular Endothelial Growth Factor-A and Its Receptors to Heparin Selectively Modulates Complex Affinity.
    Authors: Teran M, Nugent M
    J Biol Chem, 2015-05-15;290(26):16451-62.
    Species: Mouse
    Sample Types: Whole Cells
    Applications: Bioassay
  3. Stability and function of regulatory T cells is maintained by a neuropilin-1-semaphorin-4a axis.
    Authors: Delgoffe, Greg M, Woo, Seng-Ryo, Turnis, Meghan E, Gravano, David M, Guy, Cliff, Overacre, Abigail, Bettini, Matthew, Vogel, Peter, Finkelstein, David, Bonnevier, Jody, Workman, Creg J, Vignali, Dario A
    Nature, 2013-08-04;501(7466):252-6.
    Applications: Binding Assay
  4. Osteoprotection by semaphorin 3A.
    Authors: Hayashi M, Nakashima T, Taniguchi M, Kodama T, Kumanogoh A, Takayanagi H
    Nature, 2012-05-03;485(7396):69-74.
    Species: Mouse
    Sample Types: Whole Cells
    Applications: Bioassay

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Recombinant Mouse Neuropilin-1 Protein, CF
By Dongmei liu on 05/14/2016
Application: Binding assay/Protein-protein interaction