膜杰作
Star Staining
分子别名（Synonym）
HBEGF, HB-EGF, Heparin-binding EGF-like growth factor, Diphtheria toxin receptor, DT-R, DTR, DTS, HEGFL
表达区间及表达系统（Source）
Human HBEGF, His Tag (HBF-H52H3) is expressed from human 293 cells (HEK293). It contains AA Asp 63 - Leu 148 (Accession # Q99075-1).
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蛋白结构（Molecular Characterization）
This protein carries a polyhistidine tag at the C-terminus.
The protein has a calculated MW of 11.8 kDa. The protein migrates as 16-23 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.
内毒素（Endotoxin）
Less than 1.0 EU per μg by the LAL method.
纯度（Purity）
>90% as determined by SDS-PAGE.
制剂（Formulation）
Lyophilized from 0.22 μm filtered solution in PBS, pH7.4 with trehalose as protectant.
Contact us for customized product form or formulation.
重构方法（Reconstitution）
Please see Certificate of Analysis for specific instructions.
For best performance, we strongly recommend you to follow the reconstitution protocol provided in the CoA.
存储（Storage）
For long term storage, the product should be stored at lyophilized state at -20°C or lower.
Please avoid repeated freeze-thaw cycles.
This product is stable after storage at:
- -20°C to -70°C for 12 months in lyophilized state;
- -70°C for 3 months under sterile conditions after reconstitution.
电泳（SDS-PAGE）
Human HBEGF, His Tag on SDS-PAGE under reducing (R) condition. The gel was stained with Coomassie Blue. The purity of the protein is greater than 90%.
活性（Bioactivity）-ELISA
Immobilized Human HBEGF, His Tag (Cat. No. HBF-H52H3) at 5 μg/mL (100 μL/well) can bind Human EGF R, Fc Tag (Cat. No. EGR-H5252) with a linear range of 1-20 ng/mL (QC tested).
Protocol
背景（Background）
Heparin-binding epidermal growth factor (EGF)-like growth factor (HBEGF) is a ligand for the EGF receptor (EGFR) and a critical molecular component to a number of normal physiological processes including but not limited to tissue injury and wound healing, reproduction, angiogenesis and recently, adipogenesis. Misexpression of HB-EGF is linked to tumor formation and cancer including hepatocellular, pancreatic, gastric, breast, colon and melanoma, gliomas and glioblastomas.
