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Recombinant Human DPPIV/CD26 Fc Chimera Avi-tag Protein, CF

Catalog #: AVI11141 Datasheet / COA / SDS
Biotinylated
Catalog # Availability Size / Price Qty
AVI11141-020
Biotinylated Recombinant Human DPPIV/CD26 Fc Chimera Avi-tag Protein Binding Activity.
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Recombinant Human DPPIV/CD26 Fc Chimera Avi-tag Protein, CF Summary

Learn more about Avi-tag Biotinylated Proteins

Product Specifications

Purity
>95%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining.
Endotoxin Level
<0.10 EU per 1 μg of the protein by the LAL method.
Activity
Measured by its binding ability in a functional ELISA. When Recombinant MERS-CoV Spike RBD His-tag Protein (Catalog # 10621-CV) is immobilized at 1.00 μg/mL, 100 μL/well, Biotinylated Recombinant Human DPPIV/CD26 Fc Chimera Avi-tag (Catalog # AVI11141) binds with an ED50 of 10.0-80.0 ng/mL. Measured by its ability to cleave the fluorogenic peptide substrate, Gly-Pro-7-amido-4-methylcoumarin (GP-AMC). The specific activity is >2700 pmol/min/μg, as measured under the described conditions.
Source
Human embryonic kidney cell, HEK293-derived human DPPIV/CD26 protein
Human CD26
(Asn29-Pro766)
Accession # CAA43118.1		DIEGRMDHuman IgG1
(Pro100-Lys330)		Avi-tag
N-terminusC-terminus
Accession #
CAA43118.1
N-terminal Sequence
Analysis
Asn29
Structure / Form
Disulfide-linked homodimer
Biotinylated via Avi-tag

Predicted Molecular Mass
114 kDa
SDS-PAGE
114-134 kDa, under reducing conditions.

Product Datasheets

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AVI11141

Product Datasheet
COA
SDS

Carrier Free

What does CF mean?

CF stands for Carrier Free (CF). We typically add Bovine Serum Albumin (BSA) as a carrier protein to our recombinant proteins. Adding a carrier protein enhances protein stability, increases shelf-life, and allows the recombinant protein to be stored at a more dilute concentration. The carrier free version does not contain BSA.

What formulation is right for me?

In general, we advise purchasing the recombinant protein with BSA for use in cell or tissue culture, or as an ELISA standard. In contrast, the carrier free protein is recommended for applications, in which the presence of BSA could interfere.

AVI11141

Formulation Supplied as a 0.2 μm filtered solution in Tris and NaCl.
Shipping The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage: Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 6 months from date of receipt, -20 to -70 °C as supplied.
  • 3 months, -20 to -70 °C under sterile conditions after opening.

Scientific Data

Binding Activity View Larger

Measured by its binding ability in a functional ELISA. When Recombinant MERS-CoV Spike RBD His-tag Protein (10621-CV) is immobilized at 1.00 μg/mL, 100 μL/well, Biotinylated Recombinant Human DPPIV/CD26 Fc Chimera Avi-tag Protein (Catalog # AVI11141) binds with an ED50 of 10.0-80.0 ng/mL.

Enzyme Activity View Larger

Recombinant Human DPPIV/CD26 Fc Chimera Avi-tag (Catalog # AVI11141) is measured by its ability to cleave the fluorogenic peptide substrate, Gly-Pro-7-amido-4-methylcoumarin (GP-AMC).

SDS-PAGE View Larger

2 μg/lane of Biotinylated Recombinant Human DPPIV/CD26 Fc Chimera Avi-tag Protein (Catalog # AVI11141) was resolved with SDS-PAGE under reducing (R) and non-reducing (NR) conditions and visualized by Coomassie® Blue staining, showing a band at ~123 kDa under reducing conditions.

Reconstitution Calculator

Reconstitution Calculator

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.

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Background: DPPIV/CD26

Dipeptidyl peptidase 4 (DPPIV, also known as CD26) is an approximately 110 kDa serine exopeptidase that releases Xaa-Pro or Xaa-Ala dipeptides from the N-terminus of oligo- and polypeptides. Mature human DPPIV consists of a 6 amino acid (aa) cytoplasmic tail, a 22 aa transmembrane segment, and a 738 aa extracellular domain (ECD) that contains the catalytic active site (1). DPPIV is expressed as a noncovalent homodimer on the surface of epithelial cells, endothelial cells, and activated lymphocytes, and it can be released by MMP mediated shedding (2). It regulates immune and endocrine function through the cleavage of multiple chemokines, growth factors, and peptide hormones (3,4). It cleaves a range of peptide hormones including Glucagon, Glucagon-like Peptides 1 and 2, GIP, GHRH, Procalcitonin, Neuropeptide Y, and Substance P (5). It is released from adipocytes and induces insulin resistance in adipocytes and skeletal muscle (6). DPPIV also cleaves many chemokines, resulting in altered chemotactic activity (7-10) or impacting chemokine blockade of HIV-1 cellular infectivity depending on the chemokine target (7,9,11). It cleaves human GM-CSF and IL-3 and reduces their ability to promote myeloid cell development (12). In addition to enzymatic cleavage functions, DPPIV interacts with adenosine deaminase on T cells and with caveolin-1 on antigen presenting cells (13), provides costimulatory proliferation and activation signals to both CD4+ and CD8+ T cells (13,14), and serves as a cell entry coreceptor for HIV and coronavirus MERS-CoV-2 (15,16). DPPIV inhibitors are approved for therapeutic treatment in type 2 diabetes (17) and are being explored for treatment of several additional conditions including autoimmune diseases (18). 

References
  1. Tanaka, T. et al. (1992) J. Immunol. 149:481.
  2. Rohrborn, D. et al. (2014) FEBS Lett. 588:3870.
  3. Klemann, C. et al. (2016) Clin. Exp. Immunol. 185:1.
  4. Mortier, A. et al. (2016) J. Leukoc. Biol. 99:955.
  5. Waumans, Y. et al. (2015) Front. Immunol. 6:387.
  6. Lamers, D. et al. (2011) Diabetes 60:1917.
  7. Proost, P. et al. (1998) J. Biol. Chem. 273:7222.
  8. Proost, P. et al. (2001) Blood 98:3554.
  9. Ohtsuki, T. et al. (1998) FEBS Lett. 431:236.
  10. Barreira da Silva, R. et al. (2015) Nat. Immunol. 16:850.
  11. Guan, E. et al. (2002) J. Biol. Chem. 277:32348.
  12. Broxmeyer, H.E. et al. (2012) Nat. Med. 18:1786.
  13. Ohnuma, K. et al. (2007) J. Biol. Chem. 282:10117.
  14. Hatano, R. et al. (2013) Immunology 138:165.
  15. Callebaut, C. et al. (1993) Science 262:2045.
  16. Raj, V.S. et al. (2013) Nature 495:251.
  17. Makrilakis, K. (2019) Int. J. Environ. Res. Public Health 16:2720.
  18. Huang, J. et al. (2022) Front. Immunol. 13:830863.
Long Name
Dipeptidyl-peptidase IV
Entrez Gene IDs
1803 (Human); 13482 (Mouse); 397492 (Porcine); 102133935 (Cynomolgus Monkey)
Alternate Names
ADABP; ADCP-2; ADCP2DPP IV; Adenosine deaminase complexing protein 2TP103; CD26 antigen; CD26; CD26T-cell activation antigen CD26; dipeptidyl peptidase 4; Dipeptidyl peptidase IV; dipeptidylpeptidase 4; dipeptidyl-peptidase 4; dipeptidylpeptidase IV (CD26, adenosine deaminase complexing protein 2); DPP4; DPPIV; EC 3.4.14.5

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