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Anti-Eph receptor A1/EPHA1 Antibody Picoband® Fluoro647 Conjugated

Product Specifications

Background

EPHA1, EPH receptor A1, is a protein that in humans is encoded by the EPHA1 gene. This gene belongs to the ephrin receptor subfamily of the protein-tyrosine kinase family. The EPHA1 gene is mapped to 7q34-q35. 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 is expressed in some human cancer cell lines and has been implicated in carcinogenesis.

Synonyms

Ephrin type-A receptor 1; hEpha1;2.7.10.1; EPH tyrosine kinase; EPH tyrosine kinase 1; Erythropoietin-producing hepatoma receptor; Tyrosine-protein kinase receptor EPH; EPHA1; EPH, EPHT, EPHT1

Gene Name

EPHA1

Gene ID

2041

UniProt

P21709

Host

Rabbit

Reactivity

Human, Mouse, Rat

Cross Reactivity

No cross-reactivity with other proteins

Immunogen

A synthetic peptide corresponding to a sequence at the C-terminus of human Eph receptor A1, identical to the related rat and mouse sequences.

Clonality

Polyclonal

Tissue Specificity

Overexpressed in several carcinomas.

Applications

Flow Cytometry

Field of Research

Neuroscience, Neurotransmission, Protein Phosphorylation, Receptor Tyrosine Kinases, Receptors / Channels, Signal Transduction, Tyrosine Kinases

Purification

Immunogen affinity purified.

Form

Liquid

Function

Receptor tyrosine kinase which binds promiscuously membrane-bound ephrin-A family ligands residing on adjacent cells, leading to contact-dependent biional 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. Binds with a low affinity EFNA3 and EFNA4 and with a high affinity to EFNA1 which most probably constitutes its cognate/functional ligand. Upon activation by EFNA1 induces cell attachment to the extracellular matrix inhibiting cell spreading and motility through regulation of ILK and downstream RHOA and RAC. Plays also a role in angiogenesis and regulates cell proliferation. May play a role in apoptosis. .

References & Citations

1. Hattori, M., Osterfield, M., Flanagan, J. G.Regulated cleavage of a contact-mediated axon repellent.Science 289: 1360-1365, 2000. 2. Torii, M., Hashimoto-Torii, K., Levitt, P., Rakic, P.Integration of neuronal clones in the radial cortical columns by EphA and ephrin-A signalling.Nature 461: 524-528, 2009. Note: Erratum: Nature 462: 674 only, 2009.

Storage Conditions

At -20 ̊C for one year from date of receipt. Avoid repeated freezing and thawing. Protect from light.

Calculated Molecular Weight

108127 MW

Specificity

No cross reactivity with other proteins.

Applications Notes

6

Gene Name Synonym

Ephrin type-A receptor 1

Subcellular Location

Cell membrane ; Single-pass type I membrane protein .

Sequence Similarities

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

Protein Name

Ephrin type-A receptor 1 (hEpha1)

Isotype

Rabbit IgG

Contents

Each vial contains 50% glycerol, 0.9% NaCl, 0.2% Na2HPO4, 0.02% NaN3.

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