Recombinant Proteins iso9001 ISO13485
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Human DPPIV / CD26 Protein, Fc Tag (active enzyme)

分子别名(Synonym)

DPP4,ADABP,ADCP2,CD26,DPPIV,TP103

表达区间及表达系统(Source)

Human DPPIV, Fc Tag (DP4-H5266) is expressed from human 293 cells (HEK293). It contains AA Asn 29 - Pro 766 (Accession # NP_001926.2).

蛋白结构(Molecular Characterization)

Online(Asn 29 - Pro 766) NP_001926.2

This protein carries a human IgG1 Fc tag at the N-terminus.

The protein has a calculated MW of 112.3 kDa. The protein migrates as 90-116 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)

>95% as determined by SDS-PAGE.

制剂(Formulation)

Lyophilized from 0.22 μm filtered solution in 50 mM Tris, 100 mM Glycine, pH7.5. Normally trehalose is added as protectant before lyophilization.

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:

  1. -20°C to -70°C for 12 months in lyophilized state;
  2. -70°C for 3 months under sterile conditions after reconstitution.
 

电泳(SDS-PAGE)

Human DPPIV, Fc Tag (Cat. No. DP4-H5266) SDS-PAGE gel

Human DPPIV, Fc Tag on SDS-PAGE under reducing (R) condition. The gel was stained overnight with Coomassie Blue. The purity of the protein is greater than 95%.

获取HPLC数据

 

活性(Bioactivity)-ELISA

Biotinylated Human ELISA

Measured by its binding ability in a functional ELISA. Immobilized Human DPPIV, Fc Tag (Cat. No. DP4-H5266) at 2 μg/mL (100 μL/well) can bind MERS S1 protein, His Tag (Cat. No. S1N-M52H5) with a linear range of 0.039-0.156 μg/mL (Routinely tested).

Protocol

 

活性(Bioactivity)

Measured by its ability to cleave the fluorogenic peptide substrate, Gly-Pro-7-amido-4-methylcoumarin (GP-AMC). The specific activity is >3500 pmol/min/µg (QC tested).

Protocol

 

背景(Background)

Dipeptidyl peptidase-IV (DPPIV) is also known as adenosine deaminase complexing protein 2, DPPIV or CD26 is antigenic enzyme expressed on the surface of most cell types and is associated with immune regulation, signal transduction and apoptosis. It is an intrinsic membrane glycoprotein and a serine exopeptidase that cleaves X-proline dipeptides from the N-terminus of polypeptides. The substrates of DPPIV are proline (or alanine)-containing peptides and include growth factors, chemokines, neuropeptides, and vasoactive peptides. DPPIV plays a major role in glucose metabolism. It is responsible for the degradation of incretins such as GLP-1. DPPIV plays an important role in tumor biology, and is useful as a marker for various cancers, with its levels either on the cell surface or in the serum increased in some neoplasms and decreased in others.[4] DPPIV also binds the enzyme adenosine deaminase specifically and with high affinity. The significance of this interaction has yet to be established.

 

前沿进展

 
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DPPIV靶点信息
英文全称:Dipeptidyl peptidase IV
中文全称:二肽基肽酶IV
种类:Homo sapiens
上市药物数量:28详情
临床药物数量:22详情
最高研发阶段:批准上市
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