function:Mediates homophilic cell-cell adhesion.,similarity:Belongs to the myelin P0 protein family.,similarity:Contains 1 Ig-like V-type (immunoglobulin-like) domain.,tissue specificity:Expressed in thymocytes and thymic stromal cells; expression elevated in some T-cell leukemias.,
Membrane ; Single-pass type I membrane protein .
Widely expressed. In fetal tissues, highest expression in the inner ear. In adult tissues, highest levels in thymus and lung.