| Tissue Specificity | Integrin alpha-6/beta-4 is predominantly expressed by epithelia. Isoform beta-4D is also expressed in colon and placenta. Isoform beta-4E is also expressed in epidermis, lung, duodenum, heart, spleen and stomach. |
| Post Translational Modifications | Palmitoylated by DHHC3 at several cysteines of the membrane-proximal region, enhancing stability and cell surface expression. Palmitoylation also promotes secondary association with tertaspanins. |
| Function | Integrin alpha-6/beta-4 is a receptor for laminin. Plays a critical structural role in the hemidesmosome of epithelial cells. Is required for the regulation of keratinocyte polarity and motility. ITGA6:ITGB4 binds to NRG1 (via EGF domain) and this binding is essential for NRG1-ERBB signaling. ITGA6:ITGB4 binds to IGF1 and this binding is essential for IGF1 signaling. ITGA6:ITGB4 binds to IGF2 and this binding is essential for IGF2 signaling. |
| Protein Name | Integrin Beta-4Gp150Cd Antigen Cd104 |
| Database Links | Reactome: R-HSA-2022090Reactome: R-HSA-3000157Reactome: R-HSA-3000170Reactome: R-HSA-446107Reactome: R-HSA-9725554 |
| Cellular Localisation | Cell MembraneSingle-Pass Type I Membrane ProteinLipid-AnchorCell JunctionHemidesmosomeColocalizes With Dst At The Leading Edge Of Migrating Keratinocytes |
| Alternative Antibody Names | Anti-Integrin Beta-4 antibodyAnti-Gp150 antibodyAnti-Cd Antigen Cd104 antibodyAnti-ITGB4 antibody |
Information sourced from Uniprot.org
