recombinant streptavidin (r-ScSA) is mainly to solve this problem, which not only has the core sequence related to activity, but also is superior to natural SA in adsorption, stability and solubility, especially in NC membrane.

Size: 1 mg, 10 mg, 100 mg, 500 mg, 1g
Formulation: Lyophilized powder, 5mM PB (4mM Na2HPO4, 1mM NaH2PO4, pH 7.4) before lyophilization
Mol. Wt.：Subunit monomer 23.5kDa, tetramer 94kDa
Theory pI：6.04
Activity：≥14 U/mg protein（Green improved method）
Purity：≥95%（SDS-PAGE）
Concentration determination: UV absorption method, extinction coefficient A280 = 3.136
Resources: Escherichia coli (E. coli)
Endotoxin: ≤ 5EU/mg
Storage Condition: -20 ℃
Conditions of transport: Ambient Temp
Storage Duration: 3 years