TEK

Angiopoietin-1 receptor ;
Endothelial tyrosine kinase ;
Tunica interna endothelial cell kinase ;
Tyrosine kinase with Ig and EGF homology domains-2 ;
Tyrosine-protein kinase receptor TEK ;
Tyrosine-protein kinase receptor TIE-2 ;
hTIE2 ;
p140 TEK ;
CD antigen CD202b ;

catalytic activity:ATP + a [protein]-L-tyrosine = ADP + a [protein]-L-tyrosine phosphate.,disease:Defects in TEK are a cause of dominantly inherited venous malformations (VMCM) [MIM:600195]; an error of vascular morphogenesis characterized by dilated, serpiginous channels.,function:This protein is a protein tyrosine-kinase transmembrane receptor for angiopoietin 1. It may constitute the earliest mammalian endothelial cell lineage marker. Probably regulates endothelial cell proliferation, differentiation and guides the proper patterning of endothelial cells during blood vessel formation.,similarity:Belongs to the protein kinase superfamily. Tyr protein kinase family.,similarity:Belongs to the protein kinase superfamily. Tyr protein kinase family. Tie subfamily.,similarity:Contains 1 protein kinase domain.,similarity:Contains 2 Ig-like C2-type (immunoglobulin-like) domains.,similarity:Contains 3 EGF-like domains.,similarity:Contains 3 fibronectin type-III domains.,tissue specificity:Predominantly expressed in endothelial cells and their progenitors, the angioblasts. Has been directly found in placenta and lung, with a lower level in umbilical vein endothelial cells, brain and kidney.,

protein amino acid phosphorylation, phosphorus metabolic process, phosphate metabolic process, cell adhesion, cell-matrix adhesion, cell surface receptor linked signal transduction, enzyme linked receptor protein signaling pathway,transmembrane receptor protein tyrosine kinase signaling pathway, cell-cell signaling, phosphorylation, cell-cell adhesion, biological adhesion, regulation of cell migration, cell-substrate adhesion, regulation of locomotion,regulation of cell proliferation, regulation of angiogenesis, regulation of cell motion,

Cell membrane ; Single-pass type I membrane protein. Cell junction . Cell junction, focal adhesion . Cytoplasm, cytoskeleton. Secreted . Recruited to cell-cell contacts in quiescent endothelial cells (PubMed:18425120, PubMed:18425119). Colocalizes with the actin cytoskeleton and at actin stress fibers during cell spreading. Recruited to the lower surface of migrating cells, especially the rear end of the cell. Proteolytic processing gives rise to a soluble extracellular domain that is secreted (PubMed:11806244). .

Detected in umbilical vein endothelial cells. Proteolytic processing gives rise to a soluble extracellular domain that is detected in blood plasma (at protein level). Predominantly expressed in endothelial cells and their progenitors, the angioblasts. Has been directly found in placenta and lung, with a lower level in umbilical vein endothelial cells, brain and kidney.