IGSF11 is an immunoglobulin (Ig) superfamily member that is preferentially expressed in brain and testis. It shares significant homology with coxsackievirus and adenovirus receptor (CXADR, MIM 602621) and endothelial cell-selective adhesion molecule (ESAM). Source: Recombinant protein corresponding to aa22-245 from human VSIG3, fused to Avi-His-Tag at C-terminal, expressed in HEK293 cells. Molecular Weight: ~26kD Storage and Stability: Aliquot to avoid repeated freezing and thawing and store at -70C. Aliquots are stable for 6 months after receipt. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap.