Recombinant human ACE-2 produced by transfected human cells is a secreted protein with sequence (Gln18-Ser740) of human ACE-2 fused with a polyhistidine tag at the C-terminus.
来源
HEK293
成分
Supplied as a 0.2 μM filtered solution of 20mM Tris-HCl, 150mM NaCl, 0.1mM ZnCl2, 10% Glycerol, pH 7.5
生物活性
Specific Activity is > 800 pmol/min/μg as measured by its ability to cleave a fluorogenic peptide substrate, Mca-YVADAPK(Dnp)-OH
内毒素
Less than 0.1 ng/μg (1 IEU/μg)
纯度
Greater than 95% as determined by SEC-HPLC and reducing SDS-PAGE