Home / VEGF-B / Recombinant Mouse VEGF-B 167 Protein

Recombinant Mouse VEGF-B 167 Protein

Catalog #: 2595-VE
2 Citations Datasheet / COA / SDS

Carrier Free

Catalog # Availability Size / Price Qty
2595-VE-025/CF

With Carrier

Catalog # Availability Size / Price Qty
2595-VE-025
R&D Systems Recombinant Proteins and Enzymes
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Citations (2)
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Summary Product Datasheets Carrier Free Data Images Reconstitution Calculator Background Related Research Areas

Recombinant Mouse VEGF-B 167 Protein Summary

Product Specifications

Purity
>95%, by SDS-PAGE under reducing conditions and visualized by silver stain
Endotoxin Level
<0.01 EU per 1 μg of the protein by the LAL method.
Activity
Measured by its binding ability in a functional ELISA. Immobilized rrNeuropilin-1/Fc Chimera at 4 µg/mL (100 µL/well) can bind rmVEGF-B167 with a linear range of 0.8‑50 ng/mL.
Source
E. coli-derived mouse VEGF-B protein
Pro22-Lys188
Accession #
AAC52553
N-terminal Sequence
Analysis
Pro22
Structure / Form
Disulfide-linked homodimer
Predicted Molecular Mass
19 kDa (monomer)

Product Datasheets

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2595-VE (with carrier)

Product Datasheet
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SDS

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2595-VE/CF (carrier free)

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COA
SDS

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.

2595-VE

Formulation Lyophilized from a 0.2 μm filtered solution in Acetonitrile and TFA with BSA as a carrier protein.
Reconstitution Reconstitute at 100 μg/mL in sterile 4 mM HCl 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.

2595-VE/CF

Formulation Lyophilized from a 0.2 μm filtered solution in Acetonitrile and TFA.
Reconstitution Reconstitute at 100 μg/mL in sterile 4 mM HCI.
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.
Reconstitution Calculator

Reconstitution Calculator

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.

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Background: VEGF-B

Vascular endothelial growth factor B (VEGF-B; also known as VFR) is a member of the VEGF-PDGF supergene family of growth factor molecules (1 - 4). Five mouse members have been identified, including VEGF-A, -B, -C, -D, and PlGF(-2) (1, 5). VEGF family members are disulfide-linked homo- and heterodimeric proteins that are important regulators of vasculogenesis and lymphangiogenesis. Mouse VEGF-B has two isoforms, a 32 kDa single chain and a 21 kDa single chain form (6, 7). The long form (VEGF-B186) is 207 amino acids (aa) in length, with a 21 aa signal sequence and a 186 aa mature region. The short form (VEGF-B167) is 188 aa in length, with a 21 aa signal sequence and a 167 aa mature segment. Each mature isoform shows the same N-terminal 94 aa that contains a cysteine knot VEGF homology domain (6 - 8). VEGF-B186 is O-glycosylated; VEGF-B167 is not. VEGF-B167 binds heparin; VEGF-B186 does not. Thus, VEGF-B186 is secreted and freely diffusible in tissues (7). However, the VEGF-B167 isoform is the predominant form in tissue (9). Mouse VEGF-B186 is 93% and 87% aa identical to bovine and human VEGF-B186, respectively; mouse VEGF-B167 is 90% and 88% aa identical to bovine and human VEGF-B167, respectively. The mouse VEGF-B167 homodimer is 42 kDa in size, while the VEGF-B186 homodimer is 62 kDa in size. Unlike VEGF167, VEGF-B186 undergoes proteolytic processing that creates a partially processed 48 kDa homodimer and a fully processed 32 kDa homodimer. Processing appears to occur at Arg127 of the mature form (10). Both forms of VEGF-B can heterodimerize with VEGF (7). Both VEGF-B isoforms bind to VEGF receptor 1 (VEGF R1), but not VEGF R2 or VEGF R3 (11). VEGF-B167 also binds neuropilin-1, but only the 127 aa processed form of VEGF-B186 binds neuropilin-1 (10). As a dimer, full length VEGF-B186 does not interact with neuropilin-1, while any dimer that contains the processed VEGF-B127 subunit will interact with neuropilin-1 (10). The importance of differential neuropilin binding is unclear. VEGF-B deficient mice display an atrial conduction deficit (12). On endothelial cells, ligation of VEGF R1 by VEGF-B has been shown to regulate the expression and activity of urokinase type plasminogen activator and plasminogen activator inhibitor 1 (11).

References
  1. Li, X. and U. Eriksson (2001) Int. J. Biochem Cell Biol. 33:421.
  2. Olofsson, B. et al. (1999) Curr. Opin. Biotechnol. 10:528.
  3. Clauss, M. (2000) Semin. Thromb. Hemost. 26:561.
  4. Matsumoto, T. and L. Claesson-Welsh (2001) Sci STKE Dec. 11(112):RE21.
  5. DiPalma, T. et al. (1996) Mamm. Genome 7:6.
  6. Olofsson, B. et al. (1996) Proc. Natl. Acad. Sci. USA 93:2576.
  7. Olofsson, B. et al. (1996) J. Biol. Chem. 271:19310.
  8. Twonson, S. et al. (1996) Biochem. Biophys. Res. Commun. 220:922.
  9. Li, X. et al. (2001) Growth Factors 19:49.
  10. Makinen, T. et al. (1999) J. Biol. Chem. 274:21217.
  11. Olofsson, B. et al. (1998) Proc. Nat. Acad. Sci. USA 95:11709.
  12. Aase, K. et al. (2001) Circulation 104:358.
Long Name
Vascular Endothelial Growth Factor B
Entrez Gene IDs
7423 (Human); 22339 (Mouse)
Alternate Names
vascular endothelial growth factor B; VEGFB; VEGF-B; VEGF-related factor; VRFVEGFL

Citations for Recombinant Mouse VEGF-B 167 Protein

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.

2 Citations: Showing 1 - 2
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  1. VEGF is an autocrine/paracrine neuroprotective factor for injured retinal ganglion neurons
    Authors: N Froger, F Matonti, C Roubeix, V Forster, I Ivkovic, N Brunel, C Baudouin, JA Sahel, S Picaud
    Sci Rep, 2020-07-24;10(1):12409.
    Species: Rat
    Sample Types: Whole Cell
    Applications: Bioassay
  2. Growth factor signaling regulates mechanical nociception in flies and vertebrates
    Authors: R Lopez-Bell, S Puig, PJ Huang, CR Tsai, HN Turner, MJ Galko, HB Gutstein
    J. Neurosci., 2019-05-28;0(0):.
    Species: Rat
    Sample Types: In Vivo
    Applications: Bioassay, In Vivo

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