Background of the antigen
CSMD3 belongs to the CSMD family and contains fourteen CUB domains and twenty eight Sushi (CCP/SCR) domains. It is weakly expressed in most tissues, except in brain; expressed at intermediate level in brain, including cerebellum, substantia nigra, thalamus, spinal cord, hippocampus and fetal brain. Also expressed in testis. There are five named isoforms.