HIV-1, Recombinant, CT, gp120, gp41 (Human Immunodeficiency Virus-1)

For long-term storage and to avoid repeated freezing and thawing, aliquot and store at -20 °C. Aliquots are stable for at least 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.