人双向调节因子(AREG) (Human)

产品描述:
Amphiregulin is an EGF related growth factor that signals through the EGF/TGF-a receptor, and stimulates growth of keratinocytes, epithelial cells and some fibroblasts. Amphiregulin also inhibits the growth of certain carcinoma cell lines. Synthesized as a transmembrane protein, Amphiregulin’s extracellular domain is proteolytically processed to release the mature protein. There are 6 conserved cysteine residues, which form 3 intramolecular disulfide bonds essential for biological activity.
表达系统 :
Escherichia coli
溶解方法:
We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Reconstitute in sterile distilled water or aqueous buffer containing 0.1% BSA to a concentration of 0.1-1.0 mg/mL. Stock solutions should be apportioned into working aliquots and stored at < -20°C. Further dilutions should be made in appropriate buffered solutions.
产品组成:
Lyophilized from a 0.2 μm filtered concentrated solution in PBS, pH 7.4.
存储条件:
This lyophilized preparation is stable at 2-8°C, but should be kept at -20°C for long term storage, preferably desiccated. Upon reconstitution, the preparation is stable for up to one week at 2-8°C. For maximal stability, apportion the reconstituted preparation into working aliquots and store at -20°C to -70°C. Avoid repeated freeze/thaw cycles.
分子量:
Approximately 11.3 kDa, a single non-glycosylated polypeptide chain containing 98 amino acid residues.
内毒素:
Less than 1 EU/μg of ARGE as determined by LAL method.
产品用途:
This material is offered by Cyagen Biosciences for research, laboratory or further evaluation purposes. FOR RESEARCH USE ONLY. NOT INTENDED FOR ANY ANIMAL OR HUMAN THERAP EUTIC OR DIAGNOSTIC USE.
生物学活性:
The ED50 determined by a cell proliferation assay using murine Balb/c 3T3 cells is less than 15 ng/mL, corresponding to a specific activity of > 6.67 × 104 IU/mg.
产品形态:
Sterile filtered white lyophilized (freeze-dried) powder.
氨基酸序列:
SVRVEQVVKP PQNKTESENT SDKPKRKKKG GKNGKNRRNR KKKNPCNAEF QNFCIHGECK YIEHLEAVTC KCQQEYFGER CGEKSMKTHS MIDSSLSK
产品纯度:
> 97% by SDS-PAGE and HPLC analyses.
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