a single-pass type I membrane protein of the EPCAM family. May act as a physical homophilic interaction molecule between intestinal epithelial cells (IECs) and intraepithelial lymphocytes (IELs) at the mucosal epithelium for providing immunological barrier as a first line of defense against mucosal infection. Expressed in almost all epithelial cell membranes but not on mesodermal or neural cell membranes. Found on the surface of adenocarcinomas including pancreatic carcinoma. May be a marker of cancer stem cells. Note: This description may include information from UniProtKB.
Protein type: Membrane protein, integral; Motility/polarity/chemotaxis
Cellular Component: tight junction; cell surface; basolateral plasma membrane; apical plasma membrane; integral to membrane; plasma membrane; lateral plasma membrane
Molecular Function: protein binding; protein complex binding
Biological Process: ureteric bud development; positive regulation of cell proliferation; positive regulation of transcription from RNA polymerase II promoter; stem cell differentiation
SS: The number of records in which this modification site was determined using site-specific methods. SS methods include amino acid sequencing, site-directed mutagenesis, modification site-specific antibodies, specific MS strategies, etc.