Orv virus VEGF-E recombinant Protein

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Product Overview, Sizes and Prices

 

Protein

Synonyms: Vascular Endothelial Growth Factor-E

Source: E. coli

Purity: ≥ 90 % (SDS-PAGE, silver stained)

Physical state: Lyophilized

Manufacturer:  Active Bioscience

Article No. Size Price  
2015.900.005 5 µg 159 €
2015.900.020 20 µg 490 €

Please inquire for other vial sizes and custom vialing.

 

 

Product Details

Synonyms

Vascular Endothelial Growth Factor-E

 

Description of Orv virus VEGF-E

A DNA sequence encoding the mature variant of ov-VEGF-E isolate D1701 (Dehio et al., 1999; GenBank accession No. AF106020) was expressed in E. coli as a 132 amino acid residue fusion protein with an N-terminal His-tag sequence and a thrombin cleavage site. Recombinant VEGF-E homodimer was dimerized in vitro and has a predicted mass of approximately 35 kDa. Based on sequence similarity to VEGF-A, a gene encoding a VEGF homologue has recently been discovered in the genome of Orf virus (OV) (Lyttle et al., 1994). Different isolates of Orf virus show significant amino acid sequence similarity to VEGF-A and described as a viral virulence factor that appears to be derived from captured host genes. All eight Cysteine residues of the central Cysteine knot motif characteristic of members of the VEGF family are conserved among other residues in the VEGF-E proteins (Dehio et al., 1999; Wise et al., 1999). Alignment of all mammalian VEGF sequences indicated that VEGF-E is distinct from the previously described VEGFs but most closely related to VEGF-A. Like VEGF-A, VEGF-E was found to bind with high affinity to VEGF receptor-2 (KDR) resulting in receptor autophosphorylation, whilst in contrast to VEGF-A, VEGF-E cannot bind to VEGF receptor-1 (Flt-1). Furthermore VEGF-E can also not bind to VEGF receptor-3 (FLT-4). Therefore VEGF-E is a potent angiogenic factor selectively binding to VEGF receptor –2/KDR.

 

Biological Activity

Measured in a cell proliferation assay using primary HUVECs. The ED50 for this effect is typically 1 – 5 ng/mL.

 

Reconstitution

The lyophilised ovVEGF-E should be reconstituted in water or medium to a concentration not lower than 50 µg/ml. For long term storage we would recommend to add at least 0.1% human or bovine serum albumin.

 

Amino Acid Sequence

MGSSHHHHHH SSGLVPRGSH DSTKTWSEVF ENSGCKPRPM VFRVHDEHPE LTSQRFNPPC VTLMRCGGCC NDESLECVPT EEANVTMQLM GASVSGGNGM QHLSFVEHKK CDCKPPLTTT PPTTTRPPRR RR

 

 

 

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Payment Methods

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Shipping

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