[Active in neural crest cells during development and expressed primarily in neuroectodermal lineages and vascular smooth muscle in adult tissues by human MCAM Gene (Ig Superfamily), 646-aa 72-kDa (precursor) Melanoma Adhesion Molecule is a cell surface type I membrane glycoprotein containing 3 Ig-like C2-type domains and 2 Ig-like V-type domains and a possible adhesion molecule homologue of cell adhesion molecule NCAM. (NCI) ( NCI )] (UMLS (NCI) C0386212) =Amino Acid, Peptide, or Protein; Immunologic Factor ;