Description
Membrane mucins have several functions in epithelial cells including cytoprotection, extravasation during metastases, maintenance of luminal structure, and signal transduction.
MUC17, contains an extended, repetitive extracellular glycosylation domain and a carboxyl terminus with two EGF-like domains, a SEA module domain, a transmembrane domain, and a cytoplasmic domain with potential serine and tyrosine phosphorylation sites.
Interacts via its C-terminus with PDZK1 and this interaction appears important for proper localization.
Probably plays a role in maintaining homeostasis on mucosal surfaces