EphA2 Protein, Cynomolgus (HEK293, His-Avi)

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Based on 1 Customer Validation

EphA2 protein is a receptor tyrosine kinase that participates in bidirectional signaling with ephrin A ligands, affecting migration, adhesion, proliferation and differentiation. EphA2 interacts with DSG1, inhibits ERK1/ERK2 signaling, and affects cell adhesion and UV radiation-induced apoptosis. EphA2 Protein, Cynomolgus (HEK293, His-Avi) is the recombinant cynomolgus-derived EphA2 protein, expressed by HEK293 , with C-Avi, C-His labeled tag.

For research use only. We do not sell to patients.
  • Species: Cynomolgus
  • Source: HEK293
  • Storage:
    Stored at -20°C for 2 years from date of receipt. After reconstitution, it is stable at 4°C for 1 week or -20°C for longer (with carrier protein). It is recommended to freeze aliquots at -20°C or -80°C for extended storage.
  • Biological Activity
  • Technical Parameters
  • Product Properties
  • Documentation
  • Help & FAQs

Biological Activity

Description

EphA2 protein is a receptor tyrosine kinase that participates in bidirectional signaling with ephrin A ligands, affecting migration, adhesion, proliferation and differentiation. EphA2 interacts with DSG1, inhibits ERK1/ERK2 signaling, and affects cell adhesion and UV radiation-induced apoptosis. EphA2 Protein, Cynomolgus (HEK293, His-Avi) is the recombinant cynomolgus-derived EphA2 protein, expressed by HEK293 , with C-Avi, C-His labeled tag.

Background

EphA2 Protein is a receptor tyrosine kinase that interacts with membrane-bound ephrin-A ligands on adjacent cells, resulting in contact-dependent bidirectional signaling. This receptor mediates both forward signaling and reverse signaling pathways. Activation by ephrin-A1/EFNA1 regulates various cellular processes, including migration, integrin-mediated adhesion, proliferation, and differentiation. EphA2 also influences cell adhesion and differentiation through its interaction with DSG1/desmoglein-1 and inhibition of the ERK1/ERK2 signaling pathway. Additionally, it may play a role in UV radiation-induced apoptosis and stimulate chemotactic cell migration independently of ligand binding. During development, EphA2 is involved in pattern formation and contributes to the development of fetal tissues, such as angiogenesis, hindbrain development, and mammary gland morphogenesis. Its interaction with ephrin-A5/EFNA5 is crucial for maintaining lens transparency by regulating the shape and interactions of lens fiber cells. Furthermore, EphA2 participates in bone remodeling by regulating osteoclastogenesis and osteoblastogenesis through its interaction with ephrin-A2/EFNA2.

Verified Bioactivity

1.This product does not contain protein kinase domain.
2.Measured by its binding ability in a functional ELISA. Immobilized Recombinant Cynomolgus EphA2 is immobilized at 2 µg/mL(100 µL/well) can bind Mouse Ephrin-A1. The ED50 for this effect is 2.073 ng/mL.

MCE Validation Data

  • Bioactivity - ELISA

    Bioactivity - ELISA

    Measured by its binding ability in a functional ELISA. Immobilized Recombinant Cynomolgus EphA2 is immobilized at 2 µg/mL(100 µL/well) can bind Mouse Ephrin-A1. The ED50 for this effect is 2.073 ng/mL.

Technical Parameters

  • Species Cynomolgus
  • Source HEK293
  • Tag C-Avi;C-8*His
  • Accession
  • Gene ID
  • Molecular Construction
    • N-term
    • EphA2 (A24-S534)
      Accession # Q1KL86
    • 8*His-Avi
    • C-term
  • Protein Length

    Partial Extracellular Domain

  • Synonyms

    EPHA2; Protein Tyrosine Kinase; Prev. ECK; CTRCT6; Tyrosine-Protein Kinase Receptor ECK; EphA2; Ephrin Type-A Receptor 2; ARCC2; Epithelial Cell Receptor Protein Tyrosine Kinase; CTPP1; Receptor Protein-Tyrosine Kinase; CTPA; EPH Receptor A2; Epithelial C

  • AA Sequence

    AQGKEVVLLDFAAAGGELGWLTHPYGKGWDLMQNIMNDMPIYMYSVCNVMSGDQDNWLRTNWVYRGEAERIFIELKFTVRDCNSFPGGASSCKETFNLYYAESDLDYGTNFQKRLFTKIDTIAPDEITVSSDFEARHVKLNVEERSVGPLTRKGFYLAFQDIGACVALLSVRVYYKKCPELLQSLARFPETIAGSDAPSLATVAGTCVDHAVVPPGGEEPRMHCAVDGEWLVPIGQCLCQAGYEKVEDACQACSPGFFKFEVSESPCLECPEHTLPSPEGATSCECEEGFFRAPQDPMSMPCTRPPSAPHYLTAVGMGAKVELRWTPPQDSGGREDIVYSVTCEQCWPESGECGPCESSVRYSEPPHGLTRTSVTVSDLEPHMNYTFTVEARNGVSGLVTSRSFRTASVSINQTEPPKVRLEGRSTTSLSVSWSIPPPQQSRVWKYEVTYRKKGDSNSYNVRRTEGFSVTLDDLAPDTTYLVQVQALTQEGQGAGSKVHEFQTLSPEGSGS

  • Predicted Molecular Mass

    59.2 kDa

  • Molecular Weight

    Approximately 60-70 kDa, based on SDS-PAGE under reducing conditions, due to the glycosylation.

  • Glycosylation

    Yes

  • Purity

    ≥ 95%, as determined by reducing SDS-PAGE.

Product Properties

Appearance

Lyophilized powder.

Formulation

Lyophilized from a 0.22 μm filtered solution of PBS, pH 7.4, 8% trehalose.

Endotoxin Level

<1 EU/μg, determined by LAL method.

Reconstitution

It is not recommended to reconstitute to a concentration less than 100 μg/mL in ddH2O.

Storage & Stability

Stored at -20°C for 2 years from date of receipt. After reconstitution, it is stable at 4°C for 1 week or -20°C for longer (with carrier protein). It is recommended to freeze aliquots at -20°C or -80°C for extended storage.

Shipping

Room temperature in continental US; may vary elsewhere.

Calculators

Reconstitution Calculator

Volume (to add to vial) = Mass (in vial) ÷ Desired Reconstitution Concentration

Volume (to add to vial) Volume (to add to vial)
=
Mass (in vial) Mass (in vial)
÷
Desired Reconstitution Concentration Desired Reconstitution Concentration
Dilution Calculator

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

Concentration (start) Concentration (start)
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Volume (start) Volume (start)
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The Specific Activity Calculator Equation
  • Specific Activity (Unit/mg)
  • Biological Activity (ED50)

Specific Activity (Unit/mg) = 106 ÷ Biological Activity (ED50)

Specific Activity (Unit/mg) Specific Activity (Unit/mg)
Unit/mg
= 106 ÷
Biological Activity (ED50) Biological Activity (ED50)
106 ÷
ng/mL
MOQ
Minimum order quantity
100 mg

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