Recombinant Streptavidin 2, r-SA2

Product Information Product name: Recombinant Streptavidin 2 (r-SA2) Specifications: 10 mg, 100 mg, 500 mg Product form: freeze-drying powder, with a solution of 5mM PB (4mM Na2HPO4, 1mM NaH2PO4, pH7.4) before freeze-drying Molecular weight: 16.7 kDa Isoelectric point: 7.95 Purity: ≥ 95% (SDS-PAGE detection) Concentration determination: 280nm absorption method with a molar absorption coefficient of 4.19 × 104 (mol/L) -1 · cm-1, i.e. c (g/L)=A280nm/2.51 Endotoxin: ≤ 5EU/mg