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Recombinant Human VEGF-B/VEGFB Protein (Fc Tag) (PKSH033474)

All Size Price Qty
50μg $ 198.00
10μg $ 88.00
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For research use only.

Synonyms VEGF-B, VEGF-related factor, VRF, Vascular endothelial growth factor B
Species Human
Expression Host HEK293 Cells
Sequence Pro22-Ala207
Accession P49765
Calculated Molecular Weight 45.7 kDa
Observed Molecular Weight 40&60 kDa
Tag N-Fc
Bio-activity Not validated for activity
Purity > 95 % as determined by reducing SDS-PAGE.
Endotoxin < 1.0 EU per μg of the protein as determined by the LAL method.
Storage Generally, lyophilized proteins are stable for up to 12 months when stored at -20 to -80℃. Reconstituted protein solution can be stored at 4-8℃ for 2-7 days. Aliquots of reconstituted samples are stable at < -20℃ for 3 months.
Shipping This product is provided as lyophilized powder which is shipped with ice packs.
Formulation Lyophilized from a 0.2 μm filtered solution of PBS, pH 7.4.
Normally 5% - 8% trehalose, mannitol and 0.01% Tween 80 are added as protectants before lyophilization.
Please refer to the specific buffer information in the printed manual.
Reconstitution Please refer to the printed manual for detailed information.
Background VEGFB, as known as VRF, is a member of the VEGF family of growth factors that share structural and functional similarity. By alternative splicing, two isoforms of mature VEGF-B containing 167 or 186 amino acid (aa) residues exist. VEGF-B is expressed in most tissues, especially in heart, skeletal muscle and pancreas. The two VEGF-B isoforms have identical amino-terminal cysteine-knot VEGF homology domains but the carboxyl end of VEGF-B167 differs from that of VEGF-B186 by the presence of a highly basic cysteine-rich heparin binding domain. VEGF-B167 and a proteolytically processed form of VEGF-B186 also bind neuropilin-1, a type I transmembrane receptor for semaphorins/collapsins, ligands involved in neuron guidance.
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