Elastase 4 (CTRC)
(Chymotrypsin C (Caldecrin) (CTRC))
Biologische Aktivität
Active
Proteineigenschaft
AA 30-268
Spezies
Ratte
Quelle
Escherichia coli (E. coli)
Aufreinigungstag / Konjugat
Dieses Elastase 4 Protein ist gelabelt mit His tag.
Applikation
Activity Assay (AcA), Cell Culture (CC)
Produktmerkmale
Tag location: N-terminal His Tag
Reinheit
> 95 %
Biological Activity Comment
Elastase 4 (ELA4) is a member of the peptidase S1 family. The encoded protein is a serum calcium-decreasing factor that has chymotrypsin-like protease activity. It regulates activation and degradation of trypsinogens and procarboxypeptidases by targeting specific cleavage sites within their zymogen precursors. Has chymotrypsin-type protease activity and hypocalcemic activity. Besides, Plasminogen Activator, Urokinase Receptor (uPAR) has been identified as an interactor of ELA4, thus a binding ELISA assay was conducted to detect the interaction of recombinant rat ELA4 and recombinant rat uPAR. Briefly, ELA4 were diluted serially in PBS, with 0.01%BSA (pH 7.4). Duplicate samples of 100uL were then transferred to uPAR-coated microtiter wells and incubated for 2h at 37°C. Wells were washed with PBST and incubated for 1h with anti-ELA4 pAb, then aspirated and washed 3 times. After incubation with HRP labelled secondary antibody, wells were aspirated and washed 3 times. With the addition of substrate solution, wells were incubated 15-25 minutes at 37°C. Finally, add 50μL stop solution to the wells and read at 450nm immediately. The binding activity of of ELA4 and uPAR was shown in Figure 1, and this effect was in a dose dependent manner The binding activity of ELA4 with uPAR.