Simian immunodeficiency virus (SIV) (isolate SIVmac251v31523ru28) envelope glycoprotein gp120 HEK293 Cell Lysate (WB positive control)

Store at 4 degree C for up to twelve months from date of receipt. After re-dissolution, aliquot and store at -80 degree C for up to twelve months. Avoid repeated freeze-thaw cycles.<br>Samples are stable for up to twelve months from date of receipt.