membrane component, chromosome 17, surface marker 1 (35kD protein identified by monoclonal antibody ECS-1)
FunctionMay act as a scaffolding protein within caveolar membranes, functionally participating in formation of caveolae or caveolae-like vesicles. May be involved in epidermal cell adhesion and epidermal structure and function.
Tissue specificityIn skin, expressed in epidermis and epidermal appendages but not in dermis. Expressed in all layers of the epidermis except the basal layer. In hair follicles, expressed in the suprabasal layer but not the basal layer. Also expressed in melanoma and carcinoma cell lines, fibroblasts and foreskin melanocytes.
Sequence similaritiesBelongs to the band 7/mec-2 family. Flotillin subfamily.
Cellular localizationCell membrane. Membrane > caveola. Endosome. Membrane-associated protein of caveolae.