Human DPPII/QPP/DPP7 Biotinylated Antibody

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Human DPPII/QPP/DPP7 Biotinylated Antibody Summary

Species Reactivity
Detects human DPPII/QPP/DPP7 in Western blots. In Western blots, approximately 60% cross-reactivity with recombinant mouse DPPII is observed.
Polyclonal Goat IgG
Antigen Affinity-purified
Mouse myeloma cell line NS0-derived recombinant human DPPII/QPP/DPP7
Accession # AAH11907
Lyophilized from a 0.2 μm filtered solution in PBS with BSA as a carrier protein.


Recommended Concentration
Western Blot
0.1 µg/mL
Recombinant Human DPPII/QPP/DPP7 (Catalog # 3438-SE)

Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.

Reconstitution Calculator

Reconstitution Calculator

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Preparation and Storage

Reconstitute at 0.2 mg/mL in sterile PBS.
Reconstitution Buffer Available
Reconstitution Buffer 1 (PBS)
Catalog #
Size / Price
The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 6 months, -20 to -70 °C under sterile conditions after reconstitution.

Background: DPPII/QPP/DPP7

Dipeptidyl-peptidase II (DPPII) is identical to quiescent cell proline dipeptidase (QPP) and dipeptidylpeptidase 7 (DPP7) (1, 2). It shares some substrate and cleavage specificity with DPPIV/CD26, DPP8, DPP9 and seprase/FAP (fibroblast activation protein), members of the S09 family of serine proteases. As prolyl proteases that cleave proteins and peptides after proline residues, these enzymes have high potential for drug discovery (3, 4). However, DPP7 is not a member of the S09 family, but a member of the S28 family that also includes lysosomal Pro‑X carboxypeptidase/prolylcarboxypeptidase/PRCP and thymus-specific serine peptidase/PRSS16 (2). The human DPP7 precursor consists of a signal peptide (aa 1‑21) and a mature chain (aa 22‑492). The purified rhDPP7 is active against Lys-Pro-AMC and Lys‑Ala‑AMC. Its activity against Lys-Pro-AMC is approximately 10-fold of that against Lys-Ala-AMC under otherwise identical conditions.

  1. Underwood, R. et al. (1999) J. Biol. Chem. 274:34053.
  2. Maes, M.B. et al. (2005) Biochem. J. 386:315.
  3. Rosenblum, J.S. and J.W. Kozarich (2003) Curr. Opin. Chem. Biol. 7:496.
  4. Lankas, G.R. et al. (2005) Diabetes 54:2988.
Long Name
Dipeptidyl-peptidase II
Entrez Gene IDs
29952 (Human); 83768 (Mouse); 83799 (Rat)
Alternate Names
carboxytripeptidase; Dipeptidyl aminopeptidase II; dipeptidyl arylamidase II; dipeptidyl peptidase 2; Dipeptidyl peptidase 7; Dipeptidyl peptidase II; dipeptidylpeptidase 7; dipeptidyl-peptidase 7; dipeptidyl-peptidase II; DPP II; DPP2; DPP7; DPPII; EC; QPP; Quiescent cell proline dipeptidase

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