UNIPROT #

P35590

PROTEIN NAME

TIE-1

SYNONYMS

JKT 14 antibody; JTK14 antibody; TIE antibody; Tie1 antibody; TIE1_HUMAN antibody; Tyrosine kinase with immunoglobulin and epidermal growth factor homology domains 1 antibody; Tyrosine Kinase with Immunoglobulin and Epidermal Growth Factor Homology Domains antibody; Tyrosine kinase with immunoglobulin-like and EGF-like domains 1 antibody; Tyrosine protein kinase receptor Tie 1 antibody; Tyrosine-protein kinase receptor Tie-1 antibody

SEQUENCE SIMILARITIES

Belongs to the protein kinase superfamily. Tyr protein kinase family. Tie subfamily.

TISSUE SPECIFICITY

Specifically expressed in developing vascular endothelial cells.

POST-TRANSLATIONAL MODIFICATION

Phosphorylated on tyrosine residues in response to ANGPT1, most likely by TEK/TIE2.

SUBCELLULAR LOCATION

Cell membrane. Membrane.

FUNCTION

The Tie-1 receptor is an endothelial specific cell surface tyrosine kinase that is indispensable for endothelial functions. Human TIE1 cDNA encodes a 1138 amino acid residue precursor protein with a putative signal peptide, an extracellular domain, and a cytoplasmic domain. Human TIE1/Fc, a disulfide linked homodimeric protein, has a calculated molecular mass of approximately 107 kDa. Tie-1 and Tie-2 are receptor tyrosine kinases (RTKs) that are exclusively expressed in endothelial cells and play important roles in endothelial cell biology.