Serine, Phosphorylated (Biotin)

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 12 months. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap.

Recognizes phosphorylated serine both as free amino acid or when conjugated to carriers such as BSA or KLH. Does not react with nonphosphorylated serine, phosphorylated tyrosine or threonine, AMP, or ATP.