HIV-1 vif, Strain HXB2, Recombinant (Human Immunodeficiency Virus-1)

May be stored at 4 °C for short-term only. For long-term storage, aliquot to avoid repeated freezing and thawing and freeze at -70 °C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Aliquots are stable for at least 12 months.