Purity ~90% (SDS-PAGE). CD58 is a member of the immunoglobulin superfamily. This protein is a ligand of the T lymphocyte CD2 protein, and functions in adhesion and activation of T lymphocytes. CD58 is localized to the plasma membrane. Alternatively spliced transcript variants have been described. Source: Recombinant protein corresponding to aa29-215 from human CD58, fused to His-tag at N-terminus, expressed in E.coli. Molecular Weight: ~23.8kD (210aa) Applications: Suitable for use in SDS-PAGE.