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Recombinant Human Netrin-4 Protein

Catalog # 1254-N4 | R&D Systems, Inc. a Bio-Techne Brand
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Carrier Free
1254-N4-025/CF

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With Carrier
1254-N4-025

Key Product Details

Source

NS0

Accession #

Conjugate

Unconjugated

Applications

Binding Activity

Product Specifications

Source

Mouse myeloma cell line, NS0-derived human Netrin-4 protein
Val26-Lys628, with a C-terminal 10-His tag

Purity

>90%, by SDS-PAGE under reducing conditions and visualized by silver stain.

Endotoxin Level

<1.0 EU per 1 μg of the protein by the LAL method.

N-terminal Sequence Analysis

Val26

Predicted Molecular Mass

69 kDa

SDS-PAGE

90 kDa, reducing conditions

Activity

Measured by its binding ability in a functional ELISA.
Immobilized rrUNC5H2/Fc Chimera at 5 µg/mL (100 µL/well) can bind rhNetrin-4 with a linear range of 6-400 ng/mL.

Formulation, Preparation and Storage

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.

Carrier: 1254-N4
Formulation Lyophilized from a 0.2 μm filtered solution in PBS with BSA as a carrier protein.
Reconstitution Reconstitute at 100 μg/mL in sterile PBS containing at least 0.1% human or bovine serum albumin.
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.
Carrier Free: 1254-N4/CF
Formulation Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose.
Reconstitution Reconstitute at 100 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.
  • 2 weeks, 2 to 8 °C under sterile conditions after reconstitution.
  • 3 months, -20 to -70 °C under sterile conditions after reconstitution.

Background: Netrin-4

Netrins/UNC-6 (netr: Sanskrit for “one who guides”) are a family of laminin-related small proteins that are involved in neurite outgrowth and axon guidance. Netrins bind to the DCC and UNC5 family of receptors to attract or repel axons. Human Netrin-4 is synthesized as a 628 amino acid (aa) precursor that contains a 19 aa signal sequence, a 443 aa laminin-related region containing an N-terminal laminin globular domain (domain VI) followed by 3 laminin EGF-like repeats, and a 166 aa C-terminal domain rich in basic aa residues that serves as a heparin binding site. Unlike human Netrin-1 which is reminiscent of the laminin gamma-chain, human Netrin-4 resembles the laminin beta-chain. Netrin-4 has been reported to exist as both a monomer and a dimer. The dimeric form was reported to be the less active of the two. Human Netrin-4 shares 31%, 29% and 25% aa sequence identity with human Netrin-1, 2 and G2, respectively; it shares 89% aa identity with mouse Netrin-4. Netrin-4 has widespread expression, occurring in nervous tissues such as embryonic floor plate and postnatal neurons such as cerebellar granule cells and hippocampal pyramidal cells. It also is found in non-neural tissues, such as adult Bowman’s capsule and medullary tubular epithelium in kidney, and embryonic pancreatic and intestinal epithelium, plus cells of the ureteric bud. Netrin-4 expression is often associated with basement membrane. Netrin-4 has been shown to initiate axon outgrowth from olfactory bulb explants (1 - 7).

References

  1. McFarlane, S. (2000) Biochem. Cell. Biol. 78:563.
  2. Kennedy, T.E. (2000) Biochem. Cell Biol. 78:569.
  3. Yu, T.W. and C.I. Bargmann (2001) Nature Neurosci.
    4(Suppl):1169.
  4. Stein, E. et al. (2001) Science 291:1976.
  5. Koch, M. et al. (2000) J. Cell Biol. 151:221.
  6. Yin, Y. et al. (2000) Mech. Dev. 96:115.
  7. Livesey, F.J. (1999) Cell. Mol. Life Sci. 56:62.

Alternate Names

beta-Netrin, Netrin4, NTN4

Entrez Gene IDs

59277 (Human); 57764 (Mouse)

Gene Symbol

NTN4

UniProt

Additional Netrin-4 Products

Product Documents for Recombinant Human Netrin-4 Protein

Certificate of Analysis

To download a Certificate of Analysis, please enter a lot number in the search box below.

Note: Certificate of Analysis not available for kit components.

Product Specific Notices for Recombinant Human Netrin-4 Protein

For research use only

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