Human Elastase is a 28.5kD serine protease that has been purified from human neutrophils. Elastase is also present in the pancreas, leukocytes and serum.
Molecular Weight:~28.5kD
Activity:20-22 U/mg protein
Unit Definition:One unit is defined as the amount of enzyme that hydrolyzes one umole/minute of MeO-Suc-Ala-Ala-Pro-Val-pNA at 25ºC, in 100mM Tris-HCL, pH 7.5 with 500mM sodium chloride.
Applications:Suitable for use in ELISA. Other applications not tested.
Recommended Dilution:Optimal dilutions to be determined by the researcher.
Storage and Stability:May be stored at 4°C for short-term only. Aliquot to avoid repeated freezing and thawing. Store at -20°C. Aliquots are stable for 6 months after receipt at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.
仕様
Size：100ug
Source Antigen：Human Neutrophils
Grade：Highly Purified
Purity：≥95% (SDS PAGE)
Form：Supplied as a liquid in 50mM sodium acetate, pH 5.5, 150mM sodium chloride. No preservative added.
