EPHB1
UniProt ID: P54762
Entrez ID: 2047
Protein name: Ephrin type-B receptor 1 (EC 2.7.10.1) (ELK) (EPH tyrosine kinase 2) (EPH-like kinase 6) (EK6) (hEK6) (Neuronally-expressed EPH-related tyrosine kinase) (NET) (Tyrosine-protein kinase receptor EPH-2)
External links: UniprotKB HGNC RefSeq COSMIC
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FUNCTION: Receptor tyrosine kinase which binds promiscuously transmembrane ephrin-B family ligands residing on adjacent cells, leading to contact-dependent bidirectional signaling into neighboring cells. The signaling pathway downstream of the receptor is referred to as forward signaling while the s...
FUNCTION: Receptor tyrosine kinase which binds promiscuously transmembrane ephrin-B family ligands residing on adjacent cells, leading to contact-dependent bidirectional signaling into neighboring cells. The signaling pathway downstream of the receptor is referred to as forward signaling while the signaling pathway downstream of the ephrin ligand is referred to as reverse signaling. Cognate/functional ephrin ligands for this receptor include EFNB1, EFNB2 and EFNB3. During nervous system development, regulates retinal axon guidance redirecting ipsilaterally ventrotemporal retinal ganglion cells axons at the optic chiasm midline. This probably requires repulsive interaction with EFNB2. In the adult nervous system together with EFNB3, regulates chemotaxis, proliferation and polarity of the hippocampus neural progenitors. In addition to its role in axon guidance plays also an important redundant role with other ephrin-B receptors in development and maturation of dendritic spines and synapse formation. May also regulate angiogenesis. More generally, may play a role in targeted cell migration and adhesion. Upon activation by EFNB1 and probably other ephrin-B ligands activates the MAPK/ERK and the JNK signaling cascades to regulate cell migration and adhesion respectively. Involved in the maintenance of the pool of satellite cells (muscle stem cells) by promoting their self-renewal and reducing their activation and differentiation (By similarity). {ECO:0000250|UniProtKB:Q8CBF3, ECO:0000269|PubMed:12223469, ECO:0000269|PubMed:12925710, ECO:0000269|PubMed:18034775, ECO:0000269|PubMed:9430661, ECO:0000269|PubMed:9499402}.
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GO - Biological processes (BP):
angiogenesis [GO:0001525]; axon guidance [GO:0007411]; camera-type eye morphogenesis [GO:0048593]; cell chemotaxis [GO:0060326]; cell-substrate adhesion [GO:0031589]; central nervous system projection neuron axonogenesis [GO:0021952]; dendritic spine development [GO:0060996]; dendritic spine morphog...
angiogenesis [GO:0001525]; axon guidance [GO:0007411]; camera-type eye morphogenesis [GO:0048593]; cell chemotaxis [GO:0060326]; cell-substrate adhesion [GO:0031589]; central nervous system projection neuron axonogenesis [GO:0021952]; dendritic spine development [GO:0060996]; dendritic spine morphogenesis [GO:0060997]; detection of temperature stimulus involved in sensory perception of pain [GO:0050965]; ephrin receptor signaling pathway [GO:0048013]; establishment of cell polarity [GO:0030010]; hindbrain tangential cell migration [GO:0021934]; immunological synapse formation [GO:0001771]; modulation of chemical synaptic transmission [GO:0050804]; negative regulation of satellite cell differentiation [GO:1902725]; negative regulation of skeletal muscle satellite cell proliferation [GO:1902723]; neural precursor cell proliferation [GO:0061351]; neurogenesis [GO:0022008]; optic nerve morphogenesis [GO:0021631]; positive regulation of kinase activity [GO:0033674]; positive regulation of synapse assembly [GO:0051965]; protein autophosphorylation [GO:0046777]; regulation of ERK1 and ERK2 cascade [GO:0070372]; regulation of JNK cascade [GO:0046328]; regulation of neuron death [GO:1901214]; retinal ganglion cell axon guidance [GO:0031290]; skeletal muscle satellite cell activation [GO:0014719]; transmembrane receptor protein tyrosine kinase signaling pathway [GO:0007169]
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GO - Molecular function (MF):
ATP binding [GO:0005524]; axon guidance receptor activity [GO:0008046]; protein-containing complex binding [GO:0044877]; protein serine/threonine/tyrosine kinase activity [GO:0004712]; transmembrane-ephrin receptor activity [GO:0005005]; transmembrane receptor protein tyrosine kinase activity [GO:00...
ATP binding [GO:0005524]; axon guidance receptor activity [GO:0008046]; protein-containing complex binding [GO:0044877]; protein serine/threonine/tyrosine kinase activity [GO:0004712]; transmembrane-ephrin receptor activity [GO:0005005]; transmembrane receptor protein tyrosine kinase activity [GO:0004714]
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GO - Cellular component (CC):
axon [GO:0030424]; cytosol [GO:0005829]; dendrite [GO:0030425]; early endosome membrane [GO:0031901]; endoplasmic reticulum [GO:0005783]; extracellular exosome [GO:0070062]; extracellular region [GO:0005576]; filopodium tip [GO:0032433]; glutamatergic synapse [GO:0098978]; integral component of plas...
axon [GO:0030424]; cytosol [GO:0005829]; dendrite [GO:0030425]; early endosome membrane [GO:0031901]; endoplasmic reticulum [GO:0005783]; extracellular exosome [GO:0070062]; extracellular region [GO:0005576]; filopodium tip [GO:0032433]; glutamatergic synapse [GO:0098978]; integral component of plasma membrane [GO:0005887]; membrane raft [GO:0045121]; neuron projection [GO:0043005]; plasma membrane [GO:0005886]; receptor complex [GO:0043235]
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EPHB1
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*NOTE: the Kaplan plots were collected from OncoLnc