PAPSS2, NT (PAPS Synthase 2, PAPSS 2, 3'-phosphoadenosine 5'-phosphosulfate Synthase 2, ATPSK2, Bifunctional 3'-phosphoadenosine 5'-phosphosulfate Synthase 2, Sulfurylase Kinase 2, SK 2, SK2)

May be stored at 4 °C for short-term only. Aliquot to avoid repeated freezing and thawing. Store at -20 °C. Aliquots are stable for at least 12 months. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap.