Background: DPPIV
Dipeptidyl peptidase IV (DPPIV/CD26) is a serine exopeptidase that releases Xaa-Pro dipeptides from the N-terminus of proteins and peptides. It plays an important role in T-cell costimulation, chemokine biology, type II diabetes and tumor biology. There are at least 15 DPPIV-related human genes. Some function as enzymes, including DPP8, DPP9, fibroblast activation protein (FAP), prolyl endopeptidase (PREP), and N-acylaminoacyl-peptide hydrolase (APEH) while others (DPP6/DPPX and DPP10/DPRP3) may have lost their protease properties but acquired novel functions. For example, DPP6 is a critical component of neuronal A-type K+ channels.
原厂资料：
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.
Reconstitution:
It is recommended that 25 mM Tris, pH 8.0 be used to dilute the enzyme before the assays.
Shipping:
The product is shipped with dry ice or equivalent. 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.
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