Covalently coupled to 4% cross-linked agarose beads. This product is optimized for binding of phosphotyrosine containing proteins with minimal non-specific binding. Product Specification Formulation: 50% slurry (0.5ml bed volume, 1ml total volume) at a conjugation ratio of 8-10 mg of PY20 per ml of packed beads. Clone: PY20 Isotype: Mouse IgG2b Immunogen: Phosphotyrosine. Specificity: Recognizes phosphotyrosine. Species independent. No cross-reactivity with phosphoserine or phosphothreonine. Application: Immunoaffinity chromatography Immunoprecipitation Shipping: SHIPPED ON BLUE ICE Long Term Storage: +4°C