Human CRTAM, also known as Cytotoxic and Regulatory T-Cell Molecule, GenBank Accession No. NM_019604, amino acids 18-286, expressed in a HEK293 expression system. This protein has a C-terminal Avi-Tag fused to the Fc region of Human IgG1 and is enzymatically biotinylated using Avi-tag™ technology. MW = 59 kDa.