The DCC gene encodes a protein belonging to the immunoglobulin superfamily with similarity to the N-CAM transmembrane proteins, and it is a putative tumor-suppressor gene.

• DCC基因负责制造一个属于超科免疫球蛋白之蛋白，此蛋白与N-CAM穿膜蛋白相似，DCC基因是一个推想中之抑癌基因；