Protein A Sepharose CL-4B antibody purification resin Protein A Sepharose CL-4B is a trusted, well-documented affinity resin for immunoprecipitation procedures. It can also be used for antibody purification. High binding capacity of 20 mg human IgG/mL. High selectivity and low nonspecific adsorption. Well suited for immunoprecipitation procedures. Use in immunoprecipitation procedures Protein A Sepharose CL-4B resin offers high specificity and capacity, making it dependable for precise, reproducible immunoprecipitation procedures – whether the end goal is determining protein quality, analyzing protein interactions, or assessing post-translational modifications. Successful use in published research This protein A resin is used in a variety of applications, including: Modulation of epithelial cell migration via MYO18A, part of the myosin superfamily Studying the role of protein hydrophobicity in regulation of the endoplasmic reticulum