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EphA2/Eph Receptor A2  Protein, Antibody, ELISA Kit, cDNA Clone

表達宿主: Baculovirus-Insect Cells  
13926-H20B1-50
13926-H20B1-20
50 µg 
20 µg 
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表達宿主: Human Cells  
13926-H08H-200
13926-H08H-100
200 µg 
100 µg 
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表達宿主: Human Cells  
50586-M08H-200
50586-M08H-100
200 µg 
100 µg 
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EphA2/Eph Receptor A2 相关研究领域

EphA2/Eph Receptor A2 相關信號通路

EphA2/Eph Receptor A2 相關蛋白、抗體、cDNA基因、ELISA試劑盒

EphA2/Eph Receptor A2 概述&蛋白信息

EphA2/Eph Receptor A2 研究背景

基因概述: This gene belongs to the ephrin receptor subfamily of the protein-tyrosine kinase family. EPH and EPH-related receptors have been implicated in mediating developmental events, particularly in the nervous system. Receptors in the EPH subfamily typically have a single kinase domain and an extracellular region containing a Cys-rich domain and 2 fibronectin type III repeats. The ephrin receptors are divided into 2 groups based on the similarity of their extracellular domain sequences and their affinities for binding ephrin-A and ephrin-B ligands. This gene encodes a protein that binds ephrin-A ligands. Mutations in this gene are the cause of certain genetically-related cataract disorders
General information above from NCBI
催化活性: ATP + a [protein]-L-tyrosine = ADP + a [protein]-L-tyrosine phosphate. {ECO:0000255|PROSITE-ProRule:PRU10028, ECO:0000269|PubMed:2174105}.
亞單位結構: Homodimer. Interacts with SLA. Interacts (phosphorylated form) with VAV2, VAV3 and PI3-kinase p85 subunit (PIK3R1, PIK3R2 or PIK3R3); critical for the EFNA1-induced activation of RAC1 which stimulates cell migration (By similarity). Interacts with INPPL1; regulates activated EPHA2 endocytosis and degradation. Interacts (inactivated form) with PTK2/FAK1 and interacts (EFNA1 ligand-activated form) with PTPN11; regulates integrin-mediated adhesion. Interacts with ARHGEF16, DOCK4 and ELMO2; mediates ligand-independent activation of RAC1 which stimulates cell migration. Interacts with CLDN4; phosphorylates CLDN4 and may regulate tight junctions. Interacts with ACP1. Interacts (via SAM domain) with ANKS1A (via SAM domain). Interacts with human herpes virus 8/HHV-8 glycoprotein L/gL and glycoprotein H/gH heterodimer; this interaction triggers EPHA2 phosphorylation and endocytosis, allowing virus entry. Interacts with CEMIP. Interacts with NCK1; may regulate EPHA2 activity in cell migration and adhesion. {ECO:0000250, ECO:0000269|PubMed:10655584, ECO:0000269|PubMed:12167657, ECO:0000269|PubMed:16236711, ECO:0000269|PubMed:17135240, ECO:0000269|PubMed:19525919, ECO:0000269|PubMed:20505120, ECO:0000269|PubMed:20679435, ECO:0000269|PubMed:22332920, ECO:0000269|PubMed:22635007, ECO:0000269|PubMed:23358419, ECO:0000269|PubMed:23936024}.
亞細胞定位: Cell membrane; Single-pass type I membrane protein. Cell projection, ruffle membrane; Single-pass type I membrane protein. Cell projection, lamellipodium membrane; Single-pass type I membrane protein. Cell junction, focal adhesion. Note=Present at regions of cell-cell contacts but also at the leading edge of migrating cells.
組織特異性: Expressed in brain and glioma tissue and glioma cell lines (at protein level). Expressed most highly in tissues that contain a high proportion of epithelial cells, e.g. skin, intestine, lung, and ovary. {ECO:0000269|PubMed:17332925}.
誘導: Up-regulated by UV irradiation via a TP53-independent, MAPK-dependent mechanism. {ECO:0000269|PubMed:18339848}.
翻譯後修飾: Autophosphorylates. Phosphorylated on tyrosine upon binding and activation by EFNA1. Phosphorylated residues Tyr-588 and Tyr-594 are required for binding VAV2 and VAV3 while phosphorylated residues Tyr-735 and Tyr-930 are required for binding PI3-kinase p85 subunit (PIK3R1, PIK3R2 or PIK3R3). These phosphorylated residues are critical for recruitment of VAV2 and VAV3 and PI3-kinase p85 subunit which transduce downstream signaling to activate RAC1 GTPase and cell migration. Dephosphorylation of Tyr-930 by PTPRF prevents the interaction of EPHA2 with NCK1. Phosphorylated at Ser-897 by PKB; serum-induced phosphorylation which targets EPHA2 to the cell leading edge and stimulates cell migration. Phosphorylation by PKB is inhibited by EFNA1-activated EPHA2 which regulates PKB activity via a reciprocal regulatory loop. Dephosphorylated by ACP1. {ECO:0000269|PubMed:10655584, ECO:0000269|PubMed:18794797, ECO:0000269|PubMed:19573808, ECO:0000269|PubMed:23358419}.; Ubiquitinated by CHIP/STUB1. Ubiquitination is regulated by the HSP90 chaperone and regulates the receptor stability and activity through proteasomal degradation. ANKS1A prevents ubiquitination and degradation (By similarity). {ECO:0000250}.
相關疾病 : DISEASE: Cataract 6, multiple types (CTRCT6) [MIM:116600]: An opacification of the crystalline lens of the eye that frequently results in visual impairment or blindness. Opacities vary in morphology, are often confined to a portion of the lens, and may be static or progressive. CTRCT6 includes posterior polar and age-related cortical cataracts, among others. Posterior polar cataract is a subcapsular opacity, usually disk-shaped, located at the back of the lens. Age-related cortical cataract is a developmental punctate opacity restricted to the cortex. The cataract is white or cerulean, increases in number with age, but rarely affects vision. {ECO:0000269|PubMed:19005574, ECO:0000269|PubMed:19306328, ECO:0000269|PubMed:19649315}. Note=The disease is caused by mutations affecting the gene represented in this entry.; DISEASE: Note=Overexpressed in several cancer types and promotes malignancy. {ECO:0000269|PubMed:19573808}.
相似的序列: Belongs to the protein kinase superfamily. Tyr protein kinase family. Ephrin receptor subfamily. {ECO:0000255|PROSITE-ProRule:PRU00159}.; Contains 1 Eph LBD (Eph ligand-binding) domain. {ECO:0000255|PROSITE-ProRule:PRU00883}.; Contains 2 fibronectin type-III domains. {ECO:0000255|PROSITE-ProRule:PRU00316}.; Contains 1 protein kinase domain. {ECO:0000255|PROSITE-ProRule:PRU00159}.; Contains 1 SAM (sterile alpha motif) domain. {ECO:0000255|PROSITE-ProRule:PRU00184}.
General information above from UniProt

Eph receptor A2 (Ephrin type-A receptor 2 or EphA2) is a member of the ephrin receptor subfamily of the protein-tyrosine kinase family. The Eph receptors' corresponding family of ligands are the ephrins anchored to cell surfaces. The ephrins and Eph receptors are implicated as positional labels that may guide the development of neural topographic maps. They have also been found implicated in embryonic patterning, neuronal targeting, vascular development and adult neovascularization. The large family of ligands and receptors may make a major contribution to the accurate spatial patterning of connections and cell position in the nervous system. Furthermore, elevated expression of Eph receptors and ephrin ligands is associated with tumors and associated tumor vasculature, suggesting the Eph receptors and ephrin ligands also play critical roles in tumor angiogenesis and tumor growth. Unlike most Eph kinases, which are primarily expressed during development, EphA2 is primarily found in adult human epithelial cells. The cellular functions of EphA2 may be regulating cell growth, survival, migration, and angiogenesis.Unlike other receptor tyrosine kinases, ligand binding is not necessary for EphA2. Rather, the ligand appears to regulate EphA2 subcellular localization and its interactions with downstream adapter and signaling proteins. Eph receptor A2(EphA2) has been demonstrated to critically regulate tumor cell growth, migration and invasiveness. Eph receptor A2(EphA2) is frequently overexpressed and functionally altered in aggressive tumor cells, and that these changes promote metastatic character.

EphA2/Eph Receptor A2 別稱

ECK,CTPA,ARCC2,CTPP1,CTRCT6, [homo-sapiens]
EphA2,ARCC2,ECK, [human]
Myk2,RP23-308N2.1,AW545284,Eck,Epha2,Sek2,Sek-2, [mouse]
Eck,Myk2,Sek2,Sek-2,AW545284, [mus-musculus]

EphA2/Eph Receptor A2 相關文獻

  • Flanagan JG, et al. (1998) The ephrins and Eph receptors in neural development. Annu Rev Neurosci. 21: 309-45.
  • Cheng N, et al. (2002) The ephrins and Eph receptors in angiogenesis. Cytokine Growth Factor Rev. 13(1): 75-85.
  • Pratt RL, et al. (2002) Activation of the EphA2 tyrosine kinase stimulates the MAP/ERK kinase signaling cascade. Oncogene. 21(50): 7690-9.
  • Jennifer Walker-Daniels, et al. (2003) Differential Regulation of EphA2 in Normal and Malignant Cells. Am J Pathol. 162(4): 1037-1042.
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