CD166 antigen is a 100105 kD typeI transmembrane glycoprotein that is a member of the immunoglobulin superfamily of proteins, which is also known as Activated leukocyte cell adhesion molecule (ALCAM) in human, SC1/DMGRASP/BEN in the chicken, and KGCAM in the rat. CD166 is a cell adhesion molecule that binds to CD6. CD166 involved in neurite extension by neurons via heterophilic and homophilic interactions. - Proteine/Peptide