- SynonymMET,AUTS9,HGFR,RCCP2,c-Met
- SourceHuman HGF R, His Tag (MET-H5227) is expressed from human 293 cells (HEK293). It contains AA Glu 25 - Thr 932 (Accession # AAI30421.1).Predicted N-terminus: Glu 25Request for sequence
- Molecular Characterization

This protein carries a polyhistidine tag at the C-terminus. The mature form of HGFR is a disulfide-linked heterodimer composed of proteolytically cleaved α and β chain. Each α and β chain has a calculated MW of 32.5 kDa and 70.2 kDa. The protein migrates as 40-45 kDa and 85-90 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.
- EndotoxinLess than 1.0 EU per μg by the LAL method.
- Purity
>92% as determined by SDS-PAGE.
- Formulation
Lyophilized from 0.22 μm filtered solution in PBS, pH7.4. Normally trehalose is added as protectant before lyophilization.
Contact us for customized product form or formulation.
- 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.
- 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.

Human HGF R, His Tag on SDS-PAGE under reducing (R) condition. The gel was stained overnight with Coomassie Blue. The purity of the protein is greater than 92%.

Immobilized Human HGF/Hepatocyte Growth Factor at 2 μg/mL (100 μL/well) can bind Human HGF R, His Tag (Cat. No. MET-H5227) with a linear range of 0.039-0.313 μg/mL (Routinely tested).
- BackgroundHepatocyte growth factor receptor (HGFR) is also known as mesenchymal-epithelial transition factor (MET), c-Met, andis a glycosylated receptor tyrosine kinase that plays a central role in epithelial morphogenesis and cancer development. HGFR protein possesses tyrosine-kinase activity. The primary single chain precursor protein is post-translationally cleaved to produce the alpha and beta subunits, which are disulfide linked to form the mature receptor. HGFR is normally expressed by cells of epithelial origin, while expression of HGF is restricted to cells of mesenchymal origin. Upon HGF stimulation, HGFR induces several biological responses that collectively give rise to a program known as invasive growth. Abnormal HGFR activation in cancer correlates with poor prognosis, where aberrantly active HGFR triggers tumor growth, formation of new blood vessels (angiogenesis) that supply the tumor with nutrients, and cancer spread to other organs (metastasis). HGFR is deregulated in many types of human malignancies, including cancers of kidney, liver, stomach, breast, and brain. Normally, only stem cells and progenitor cells express HGFR, However, cancer stem cells are thought to hijack the ability of normal stem cells to express HGFR, and thus become the cause of cancer persistence and spread to other sites in the body. Various mutations in the HGFR gene are associated with papillary renal carcinoma. HGFR mediates a complex program known as invasive growth. Activation of HGFR triggers mitogenesis, and morphogenesis.
- References
Please contact us via TechSupport@acrobiosystems.com if you have any question on this product.
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●应用酶水解多肽不会破坏氨基酸,也不会发生消旋化。水解的产物为较小的肽段。向左转|向右转
期待着高手们的指点,谢谢。
请教高人,这样的问题怎么解决?
多谢
两个基因大小分别230kb和450kb,酶切后,450kb的有目的条带,但很弱,230kb的质粒条带亮,其下方有一很微弱条带,用的酶分别是:Ncol和Spel体系是(Takara,两个酶切体系不同,用的官网推荐体系):
NcoI1μl
Spel1μl
10×KBuffer2μl
0.1%BSA2μl
DNA3ul
灭菌水upto20μl37℃4h电泳1h
【之前构建的4个重组质粒里也有两个出现这样的问题(aagtcc变成agtcc),但是酶切能切出插入的片段】
目前问测序公司得到的答复是样品可能不是单克隆,测序结果是不准确的,建议重新挑取单克隆测序。
不知道还有没有别的方法?
2.SNaPshot法 该技术由美国应用生物公司(ABI)开发,是基于荧光标记单碱基延伸原理的分型技术,也称小测序,主要针对中等通量的SNP分型项目。在一个含有测序酶、四种荧光标记ddNTP、紧临多态位点5’-端的不同长度延伸引物和PCR产物模板的反应体系中,引物延伸一个碱基即终止,经ABI测序仪检测后,根据峰的移动位置确定该延伸产物对应的SNP位点,根据峰的颜色可得知掺入的碱基种类,从而确定该样本的基因型。对于PCR产物模板可通过多重PCR反应体系来获得。通常用于10-30个SNP位点分析。
3.HRM法 高分辨率熔解曲线分析(HRM)是近几年兴起的SNP研究工具,它通过实时监测升温过程中双链DNA荧光染料与PCR扩增产物的结合情况,来判断是否存在SNP,而且不同SNP位点、是否是杂合子等都会影响熔解曲线的峰形,因此HRM分析能够有效区分不同SNP位点与不同基因型。这种检测方法不受突变碱基位点与类型的局限,无需序列特异性探针,在PCR结束后直接运行高分辨率熔解,即可完成对样品基因型的分析。该方法无需设计探针,操作简便、快速,成本低,结果准确,并且实现了真正的闭管操作。
4.Mass Array法 MassARRAY分子量阵列技术是Sequenom公司推出的世界上领先的基因分析工具,通过引物延伸或切割反应与灵敏、可靠的MALDI-TOF-MS技术相结合,实现基因分型检测。基于MassARRAY平台的iPLEX GOLD技术可以设计最高达40重的PCR反应和基因型检测,实验设计灵活,分型结果准确性高。根据应用需要,对数十到数百个SNP位点进行数百至数千份样本检测时,MassARRAY具有最佳的性价比,特别适合于对全基因组研究发现的结果进行验证,或者是有限数量的研究位点已经确定的情况。
5.Illumina BeadXpress法 采用Illumina公司的BeadXpress系统进行批量SNP位点检测,可以同时检测1-384个SNP位点,往往用于基因组芯片结果确认,适合高通量检测。微珠芯片具有高密度、高重复性、高灵敏度、低上样量、定制灵活等特点,极高的集成密度,从而获得极高的检测筛选速度,在高通量筛选时可显著降低成本。向左转|向右转
目的片段用kpn1和xho1双酶切,然后连接到PGL4.10上,结果用RPV3测序出来目的序列是反向互补的,这是什么原因导致的?
根据发展历史、影响力、测序原理和技术不同等,主要有以下几种:大规模平行签名测序(Massively Parallel Signature Sequencing, MPSS)、聚合酶克隆(Polony Sequencing)、454焦磷酸测序(454 pyrosequencing)、Illumina (Solexa) sequencing、ABI SOLiD sequencing、离子半导体测序(Ion semiconductor sequencing)、DNA 纳米球测序 (DNA nanoball sequencing)等。 基因分析仪(即DNA测序仪),采用毛细管电泳技术取代传统的聚丙烯酰胺平板电泳,应用该公司专利的四色荧光染料标记的ddNTP(标记终止物法),因此通过单引物PCR测序反应,生成的PCR产物则是相差1个碱基的3'末端为4种不同荧光染料的单链DNA混合物,使得四种荧光染料的测序PCR产物可在一根毛细管内电泳,从而避免了泳道间迁移率差异的影响,大大提高了测序的精确度。由于分子大小不同,在毛细管电泳中的迁移率也不同,当其通过毛细管读数窗口段时,激光检测器窗口中的CCD(charge-coupled device)摄影机检测器就可对荧光分子逐个进行检测,激发的荧光经光栅分光,以区分代表不同碱基信息的不同颜色的荧光,并在CCD摄影机上同步成像,分析软件可自动将不同荧光转变为DNA序列,从而达到DNA测序的目的。分析结果能以凝胶电泳图谱、荧光吸收峰图或碱基排列顺序等多种形式输出。
2.SNaPshot法 该技术由美国应用生物公司(ABI)开发,是基于荧光标记单碱基延伸原理的分型技术,也称小测序,主要针对中等通量的SNP分型项目。在一个含有测序酶、四种荧光标记ddNTP、紧临多态位点5’-端的不同长度延伸引物和PCR产物模板的反应体系中,引物延伸一个碱基即终止,经ABI测序仪检测后,根据峰的移动位置确定该延伸产物对应的SNP位点,根据峰的颜色可得知掺入的碱基种类,从而确定该样本的基因型。对于PCR产物模板可通过多重PCR反应体系来获得。通常用于10-30个SNP位点分析。

