Receptor tyrosine kinases (RTKs) play a key role in the communication of cells with their microenvironment. These molecules are involved in the regulation of cell growth, differentiation and metabolism. DDR1 is an RTK that is widely expressed in normal and transformed epithelial cells and is activated by various types of collagen. It belongs to a subfamily of tyrosine kinase receptors with a homology region to the Dictyostelium discoideum protein discoidin I in their extracellular domain. Its autophosphorylation is achieved by all collagens so far tested (type I to type VI). In situ studies and Northern-blot analysis show that expression of DDR1 is restricted to epithelial cells, particularly in the kidney, lung, gastrointestinal tract, and brain. In addition, it is significantly over-expressed in several human tumors from breast, ovarian, esophageal, and pediatric brain.
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Protein Aliases: CAK; CD167; CD167 antigen-like family member A; CD167a; Cell adhesion kinase; DAAP-278B20.1; DDR; Discoidin receptor tyrosine kinase; EDDR1; Epithelial discoidin domain receptor 1; Epithelial discoidin domain-containing receptor 1; HGK2; Mammary carcinoma kinase 10; MCK-10; MCK10; neuroepithelial tyrosine kinase; neurotrophic tyrosine kinase, receptor, type 4; NTRK4; Protein-tyrosine kinase 3A; Protein-tyrosine kinase RTK-6; PTK3; PTK3A; PTK3A protein tyrosine kinase 3A; RTK6; TRK E; TRKE; Tyrosine kinase DDR; Tyrosine-protein kinase CAK
Gene Aliases: CAK; CD167; DDR; DDR1; EDDR1; HGK2; MCK10; NEP; NTRK4; PTK3; PTK3A; RTK6; TRKE
UniProt ID: (Human) Q08345
Entrez Gene ID: (Human) 780