EPHA1 Antibody – Rabbit Polyclonal

EphA1: a receptor tyrosine kinase. Receptor for members of the ephrin-A family. Binds with a low affinity to ephrin-A1. The Eph receptor tyrosine kinase family, the largest in the tyrosine kinase group, has fourteen members. They bind membrane-anchored ligands, ephrins, at sites of cell-cell contact, regulating the repulsion and adhesion of cells that underlie the establishment, maintenance, and remodeling of patterns of cellular organization. Eph signals are particularly important in regulating cell adhesion and cell migration during development, axon guidance, homeostasis and disease. EphA receptors bind to GPI-anchored ephrin-A ligands, while EphB receptors bind to ephrin-B proteins that have a transmembrane and cytoplasmic domain. Interactions between EphB receptor kinases and ephrin-B proteins transduce signals bidirectionally, signaling to both interacting cell types. Eph receptors and ephrins also regulate the adhesion of endothelial cells and are required for the remodeling of blood vessels. Misexpressed in several cancers, including upregulation in head and neck cancer, and downregulation in invasive breast cancer cell lines and glioblastoma

Protein type: Protein kinase, TK; Protein kinase, tyrosine (receptor); Membrane protein, integral; Kinase, protein; EC 2.7.10.1; TK group; Eph family

Cellular Component: membrane; integral to plasma membrane; integral to membrane; plasma membrane

Molecular Function: transferase activity; transmembrane-ephrin receptor activity; protein-tyrosine kinase activity; transferase activity, transferring phosphorus-containing groups; ephrin receptor activity; nucleotide binding; kinase activity; transmembrane receptor protein tyrosine kinase activity; protein kinase binding; ATP binding; protein kinase activity

Biological Process: peptidyl-tyrosine phosphorylation; protein amino acid autophosphorylation; protein amino acid phosphorylation; positive regulation of angiogenesis; cell surface receptor linked signal transduction; positive regulation of cell proliferation; positive regulation of stress fiber formation; ephrin receptor signaling pathway; negative regulation of protein kinase activity; angiogenesis; positive regulation of cell-matrix adhesion; cell adhesion; phosphorylation; negative regulation of cell migration; transmembrane receptor protein tyrosine kinase signaling pathway; positive regulation of cell migration