Name gp120 (R2) (HIV-1/Clade B) (aa 41-520) Description 6xHis tagged HIV-1 gp120 (R2) (Clade B) protein (amino acid 41-520) (ENA No. AF128126) Source Recombinant viral protein purified from 293 cells Application Western blot standard, antibody ELISA, immunogen, etc. Purity > 95% (SDS-PAGE) Size 50 µg |