Optimal preservation of protein structure, post-translational modifications and functions.
产品特性
Recombinant human Vascular endothelial growth factor A (Vegfa), transcript variant 5. (transcript variant 5) protein expressed in E. coli.
Produced with end-sequenced ORF clone
Tested for bioactivity.
内毒素水平
Endotoxin level is <0.1 ng/μg of protein (<1EU/μg).
Biological Activity Comment
Determined by the dose-dependent stimulation of the proliferation of Human umbilical vein endothelial cells (HUVEC). The expected ED50 is 4.0-8.0 ng/ml.
Recombinant human proteins can be used for: Native antigens for optimized antibody production Positive controls in ELISA and other antibody assays Protein-protein interaction In vitro biochemical assays and cell-based functional assays
限制
仅限研究用
缓冲液
Lyophilized from a 0.2 μM filtered solution of 20 mM phosphate buffer,100 mM NaCl, pH 7.2
注意事项
Resuspend the protein in the desired concentration in proper buffer
储存条件
-80 °C
储存方法
Store at -80°C. Thaw on ice, aliquot to individual single-use tubes, and then re-freeze immediately. Only 2-3 freeze thaw cycles are recommended.
抗原
VEGFA
(Vascular Endothelial Growth Factor A (VEGFA))