Recombinant Human Leptin is a single non-glycosylated polypeptide chain containing 146aa and having a molecular weight of 16kD. The sequence of the first five N-terminal amino acids was determined to be Ala-Val-Pro-Ile-Gln.
Source: E. coli
Molecular Weight:~16kD
Biological Activity:ED50 calculated by the Leptin-dependent stimulation of Human OB-R transfected mouse BaF3 indicator cells is 0.5-1.6ng/ml.
Storage and Stability:Lyophilized powder may be stored at -20°C. Reconstitute with sterile buffer or ddH2O. Aliquot and store at -20°C. Reconstituted product is stable for 6 months 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:1mg
Source Antigen:Recombinant, E. coli
Grade:Highly Purified
Purity:≥95% (RP-HPLC and SDS-PAGE).
Form:Supplied as a lyophilized powder from 0.0045mM sodium bicarbonate. No preservative added. Reconstitute with ddH2O.