Protein S PRODUCT INQUIRY Domain Structure of Protein S The domain structure of protein S is represented, where: GLA = region containing γ-carboxyglutamic acid residues, EGF = region containing sequences homologous to human epidermal growth factor, TSR = thrombin sensitive region, ? = region of unknown function which replaces the catalytic triad found in vitamin K-dependent serine proteases. HCPS-0090 Human Protein S Pricing: Please Inquire SAMPLE DATA SHEET | SAFETY DATA SHEET Size 100 µg Formulation 50% glycerol/water (v/v) Storage -20°C Purity >95% by SDS-PAGE Activity Determination N/A Shelf Life (properly stored) 12 months