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Statements

Subject Item
dbr:Ephrin_B3
rdf:type
owl:Thing dbo:Biomolecule wikidata:Q7187 wikidata:Q206229 dbo:HumanGene dbo:Gene
rdfs:label
EFNB3 Ephrin B3
rdfs:comment
EFNB3 (англ. Ephrin B3) – білок, який кодується однойменним геном, розташованим у людей на короткому плечі 17-ї хромосоми. Довжина поліпептидного ланцюга білка становить 340 амінокислот, а молекулярна маса — 35 835. Послідовність амінокислот A: АланінC: ЦистеїнD: Аспарагінова кислотаE: Глутамінова кислотаF: ФенілаланінG: ГліцинH: ГістидинI: ІзолейцинK: ЛізинL: ЛейцинM: МетіонінN: АспарагінP: ПролінQ: ГлутамінR: АргінінS: СеринT: ТреонінV: ВалінW: Триптофан Y: Тирозин Ephrin-B3 is a protein that in humans is encoded by the EFNB3 gene. EFNB3, a member of the ephrin gene family, is important in brain development as well as in its maintenance. The EPH and EPH-related receptors comprise the largest subfamily of receptor protein-tyrosine kinases. EPH receptors typically have a single kinase domain and an extracellular region containing a Cysteine-rich domain and 2 fibronectin type III repeats. The ephrin ligands and receptors have been named by the Eph Nomenclature Committee (1997) based on their structures and sequence relationships. Ephrins are divided into the ephrin-A (EFNA) class, which are anchored to the membrane by a glycosylphosphatidylinositol linkage, and the ephrin-B (EFNB) class, which are transmembrane proteins. Ephrin-B ligands also contain an
dbo:wikiPageID
14796524
dbo:wikiPageRevisionID
1109704498
dbo:wikiPageWikiLink
dbr:Synaptic_plasticity dbr:Gene dbr:Tyrosine dbr:Subventricular_zone dbr:Protein dbr:PDZ_domain dbr:Hippocampus dbr:Receptor_protein-tyrosine_kinases dbr:Neural_stem_cell dbr:Glycosylphosphatidylinositol dbr:Nervous_system dbr:Ephrin dbr:Kinase dbr:C-terminus dbr:Forebrain
owl:sameAs
n7:je6X wikidata:Q17916065 n13:EFNB3 dbpedia-uk:EFNB3
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dbt:Short_description dbt:Cite_journal dbt:Infobox_gene dbt:Intercellular_signaling_peptides_and_proteins dbt:Reflist dbt:Refend dbt:Refbegin dbt:Growth_factor_receptor_modulators dbt:Gene-17-stub
dbo:abstract
Ephrin-B3 is a protein that in humans is encoded by the EFNB3 gene. EFNB3, a member of the ephrin gene family, is important in brain development as well as in its maintenance. The EPH and EPH-related receptors comprise the largest subfamily of receptor protein-tyrosine kinases. EPH receptors typically have a single kinase domain and an extracellular region containing a Cysteine-rich domain and 2 fibronectin type III repeats. The ephrin ligands and receptors have been named by the Eph Nomenclature Committee (1997) based on their structures and sequence relationships. Ephrins are divided into the ephrin-A (EFNA) class, which are anchored to the membrane by a glycosylphosphatidylinositol linkage, and the ephrin-B (EFNB) class, which are transmembrane proteins. Ephrin-B ligands also contain an intracellular tail with highly conserved tyrosine residues and a PDZ-binding motif at the C-terminus. This tail functions as a mechanism for reverse signaling, where signaling occurs into the ligand-containing cell, as opposed to the cell with the receptor. Upon receptor-ligand interaction the tyrosine residues become phosphorylated and there is recruitment of PDZ domain-containing proteins. The Eph family of receptors are similarly divided into two groups based on the similarity of their extracellular domain sequences and their affinities for binding ephrin-A and ephrin-B ligands.EphrinB3 has been implicated in mediating various developmental events, particularly in the nervous system. EphrinB3 reverse signaling is important for axon pruning and synapse and spine formation during postnatal development of the nervous system. Previous work has also shown that signaling through this ligand is important for radial migration during cortical development. Moreover, levels of EFNB3 expression are particularly high in several forebrain subregions compared to other brain subregions, and may play a pivotal role in forebrain function. It has been suggested that ephrinB3 signaling is necessary for synaptic plasticity to occur in the hippocampus; this implicates ephrinB3 as a major player in learning and memory. More recently, ephrinB3 has been shown to regulate proliferation of neural stem cells in the adult subventricular zone (SVZ). EFNB3 (англ. Ephrin B3) – білок, який кодується однойменним геном, розташованим у людей на короткому плечі 17-ї хромосоми. Довжина поліпептидного ланцюга білка становить 340 амінокислот, а молекулярна маса — 35 835. Послідовність амінокислот A: АланінC: ЦистеїнD: Аспарагінова кислотаE: Глутамінова кислотаF: ФенілаланінG: ГліцинH: ГістидинI: ІзолейцинK: ЛізинL: ЛейцинM: МетіонінN: АспарагінP: ПролінQ: ГлутамінR: АргінінS: СеринT: ТреонінV: ВалінW: Триптофан Y: Тирозин Кодований геном білок за функціями належить до рецепторів клітини-хазяїна для входу вірусу, рецепторів, , фосфопротеїнів. Задіяний у таких біологічних процесах, як взаємодія хазяїн-вірус, диференціація клітин, . Локалізований у мембрані.
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wikipedia-en:Ephrin_B3?oldid=1109704498&ns=0
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8343
foaf:isPrimaryTopicOf
wikipedia-en:Ephrin_B3