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AB84576

Recombinant human Eph receptor A3 protein

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Recombinant human Eph receptor A3 protein is a Human Fragment protein, in the 571 to 983 aa range, expressed in Baculovirus infected Sf9 cells, with >90%, suitable for SDS-PAGE, WB, FuncS.

View Alternative Names

ETK, ETK1, HEK, TYRO4, EPHA3, Ephrin type-A receptor 3, EPH-like kinase 4, Tyrosine-protein kinase TYRO4, Tyrosine-protein kinase receptor ETK1, EK4, hEK4, Human embryo kinase, Eph-like tyrosine kinase 1

4 Images
Functional Studies - Recombinant human Eph receptor A3 protein (AB84576)
  • FuncS

Unknown

Functional Studies - Recombinant human Eph receptor A3 protein (AB84576)

The specific activity of Eph receptor A3 (ab84576) was determined to be 19.8 nmol/min/mg as per activity assay protocol and was equivalent to 110 nmol/min/mg as per radiometric assay

Functional Studies - Recombinant human Eph receptor A3 protein (AB84576)
  • FuncS

Unknown

Functional Studies - Recombinant human Eph receptor A3 protein (AB84576)

Specific activity of Eph receptor A3 was determined to be 102 nmol/min/mg as per activity assay protocol.

SDS-PAGE - Recombinant human Eph receptor A3 protein (AB84576)
  • SDS-PAGE

Unknown

SDS-PAGE - Recombinant human Eph receptor A3 protein (AB84576)

Purity of Eph receptor A3 was determined to be >90% by densitometry, approx. MW 72kDa.

SDS-PAGE - Recombinant human Eph receptor A3 protein (AB84576)
  • SDS-PAGE

Unknown

SDS-PAGE - Recombinant human Eph receptor A3 protein (AB84576)

SDS PAGE analysis of ab84576

Key facts

Purity

>90% SDS-PAGE

Expression system

Baculovirus infected Sf9 cells

Tags

GST tag N-Terminus

Applications

FuncS, WB, SDS-PAGE

applications

Biologically active

Yes

Biological activity

Specific activity of Eph receptor A3 was determined to be 102 nmol/min/mg as per activity assay protocol.

Accession

P29320

Animal free

No

Carrier free

No

Species

Human

Storage buffer

pH: 7.5 Constituents: 25% Glycerol (glycerin, glycerine), 0.87% Sodium chloride, 0.79% Tris HCl, 0.00385% (R*,R*)-1,4-Dimercaptobutan-2,3-diol, 0.0038% EGTA, 0.00292% EDTA, 0.00174% PMSF

storage-buffer

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Primary Antibodies

AB281926

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Reactivity data

{ "title": "Reactivity Data", "filters": { "stats": ["", "Reactivity", "Dilution Info", "Notes"] }, "values": { "SDS-PAGE": { "reactivity":"TESTED_AND_REACTS", "dilution-info":"", "notes":"<p></p>" }, "WB": { "reactivity":"TESTED_AND_REACTS", "dilution-info":"", "notes":"<p></p>" }, "FuncS": { "reactivity":"TESTED_AND_REACTS", "dilution-info":"", "notes":"<p></p>" } } }
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Product details

ab204877 (Poly (4:1 Glu, Tyr) peptide) can be utilized as a substrate for assessing kinase activity
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Sequence info

[{"sequence":"","proteinLength":"Fragment","predictedMolecularWeight":null,"actualMolecularWeight":null,"aminoAcidEnd":983,"aminoAcidStart":571,"nature":"Recombinant","expressionSystem":null,"accessionNumber":"P29320","tags":[{"tag":"GST","terminus":"N-Terminus"}]}]
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Properties and storage information

Shipped at conditions
Dry Ice
Appropriate short-term storage conditions
-80°C
Appropriate long-term storage conditions
-80°C
Aliquoting information
Upon delivery aliquot
Storage information
Avoid freeze / thaw cycle
True
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Supplementary information

This supplementary information is collated from multiple sources and compiled automatically.

Eph receptor A3 also known as EphA3 is a member of the ephrin receptor subfamily of protein-tyrosine kinases. This receptor with a mass of approximately 120 kDa plays a role in cell-cell communication mainly by interacting with ephrin-A ligands. EphA3 is expressed in various tissues including the nervous system developing tissues and some adult tissues like the lungs and prostate. Its localization varies with the developmental stage and tissue type reflecting its role in numerous processes.
Biological function summary

EphA3 influences cellular organization movement and positioning through its involvement in contact-dependent signaling. It acts as part of a larger receptor-ligand complex which mediates bidirectional signaling between cells. This interaction generally leads to changes in the cytoskeleton impacting cell shape and locomotion. EphA3's signaling can regulate developmental processes such as axon guidance angiogenesis and tissue boundary formation.

Pathways

EphA3 modulates various important signaling pathways such as the PI3K/AKT pathway and the Rho family GTPase pathway. It interacts with proteins like Ephrin-A5 and other Eph receptors coordinating complex cellular signaling networks. These interactions contribute to the regulation of cell proliferation survival and migration influencing tissue patterning and organ development.

EphA3 has associations with cancer and neurological disorders. It has ties to various cancers like leukemia where it is implicated in proliferation and migration of malignant cells. In the context of neurological conditions EphA3 plays a role in neurodevelopmental disorders. In these diseases connections with other ephrin receptors and proteins involved in cell signaling become critical as they influence pathogenic pathways.
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Specifications

Form

Liquid

Additional notes

Purity was determined to be >90% by densitometry. Affinity purified.

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General info

Function

Receptor tyrosine kinase which binds promiscuously membrane-bound ephrin 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 (PubMed : 11870224, PubMed : 12794130). Highly promiscuous for ephrin-A ligands it binds preferentially EFNA5 (By similarity). Upon activation by EFNA5 regulates cell-cell adhesion, cytoskeletal organization and cell migration (PubMed : 11870224). Also activated by EFNA1, inhibiting epithelial-to-mesenchymal transition of cardiac cells and playing a role in heart development (PubMed : 12794130). Involved in the retinotectal mapping of neurons. May also control the segregation but not the guidance of motor and sensory axons during neuromuscular circuit development (By similarity).

Sequence similarities

Belongs to the protein kinase superfamily. Tyr protein kinase family. Ephrin receptor subfamily.

Post-translational modifications

Autophosphorylates upon activation by EFNA5. Phosphorylation on Tyr-602 mediates interaction with NCK1. Dephosphorylated by PTPN1.

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Product protocols

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Target data

Receptor tyrosine kinase which binds promiscuously membrane-bound ephrin 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 (PubMed : 11870224, PubMed : 12794130). Highly promiscuous for ephrin-A ligands it binds preferentially EFNA5 (By similarity). Upon activation by EFNA5 regulates cell-cell adhesion, cytoskeletal organization and cell migration (PubMed : 11870224). Also activated by EFNA1, inhibiting epithelial-to-mesenchymal transition of cardiac cells and playing a role in heart development (PubMed : 12794130). Involved in the retinotectal mapping of neurons. May also control the segregation but not the guidance of motor and sensory axons during neuromuscular circuit development (By similarity).
See full target information EPHA3
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