Purity:Purified from serum-free cell culture supernatant by subsequent thiophilic adsorption and size exclusion chromatography.
Form:Supplied as a liquid in PBS, 0.09% sodium azide, PEG, and sucrose.
Specificity:Recognizes a broad range of serine-phosphorylated proteins in crude cell extracts, requiring either proline or lysine C-terminal to phosphoserine. Please note that phosphoserine detection by monoclonal antibodies is always dependent on the surrounding amino acid sequence. Species Crossreactivity: Human, mouse, rat, canine