EPHA5 Protein, Human (HEK293, His)

The EPHA5 protein is a receptor tyrosine kinase that promiscuously binds to the GPI-anchored ephrin-A ligand to initiate bidirectional signaling. It is involved in forward and reverse signaling pathways, and EFNA5 may serve as its cognate ligand. EPHA5 Protein, Human (HEK293, His) is the recombinant human-derived EPHA5 protein, expressed by HEK293 , with C-His labeled tag.

For research use only. We do not sell to patients.
  • Species: Human
  • Source: HEK293
  • Storage:
    Stored at -80°C for 1 year from date of receipt. It is stable at -20°C for 3 months after opening. It is recommended to freeze aliquots at -80°C for extended storage. Avoid repeated freeze-thaw cycles.
  • Biological Activity
  • Technical Parameters
  • Product Properties
  • Documentation
  • Help & FAQs

Biological Activity

Description

The EPHA5 protein is a receptor tyrosine kinase that promiscuously binds to the GPI-anchored ephrin-A ligand to initiate bidirectional signaling. It is involved in forward and reverse signaling pathways, and EFNA5 may serve as its cognate ligand. EPHA5 Protein, Human (HEK293, His) is the recombinant human-derived EPHA5 protein, expressed by HEK293 , with C-His labeled tag.

Background

The EPHA5 protein, a receptor tyrosine kinase, engages in promiscuous binding to GPI-anchored ephrin-A family ligands on adjacent cells, initiating contact-dependent bidirectional signaling. The downstream pathway originating from the receptor is known as forward signaling, while the pathway downstream of the ephrin ligand is termed reverse signaling. Among GPI-anchored ephrin-A ligands, EFNA5 is likely the cognate/functional ligand for EPHA5. EPHA5 functions as an axon guidance molecule during development and may be involved in shaping the retinotectal, entorhino-hippocampal, and hippocamposeptal pathways. Together with EFNA5, it plays a role in synaptic plasticity in the adult brain by regulating synaptogenesis. Beyond its function in the nervous system, the interaction of EPHA5 with EFNA5 mediates communication between pancreatic islet cells, contributing to the regulation of glucose-stimulated insulin secretion.

Technical Parameters

  • Species Human
  • Source HEK293
  • Tag C-8*His
  • Accession
  • Gene ID
  • Molecular Construction
    • N-term
    • EPHA5 (A26-P573)
      Accession # P54756-1
    • 8*His
    • C-term
  • Protein Length

    Extracellular Domain

  • Synonyms

    EPHA5; EHK-1; EPH Receptor A5; EK7; TYRO4; Epididymis Secretory Sperm Binding Protein; EHK1; Tyrosine-Protein Kinase Receptor EHK-1; Hek7; Receptor Protein-Tyrosine Kinase HEK7; CEK7; Receptor Protein-Tyrosine Kinase; Ephrin Type-A Receptor 5; EphA5; EPH

  • AA Sequence

    ASLAGCYSAPRRAPLWTCLLLCAALRTLLASPSNEVNLLDSRTVMGDLGWIAFPKNGWEEIGEVDENYAPIHTYQVCKVMEQNQNNWLLTSWISNEGASRIFIELKFTLRDCNSLPGGLGTCKETFNMYYFESDDQNGRNIKENQYIKIDTIAADESFTELDLGDRVMKLNTEVRDVGPLSKKGFYLAFQDVGACIALVSVRVYYKKCPSVVRHLAVFPDTITGADSSQLLEVSGSCVNHSVTDEPPKMHCSAEGEWLVPIGKCMCKAGYEEKNGTCQVCRPGFFKASPHIQSCGKCPPHSYTHEEASTSCVCEKDYFRRESDPPTMACTRPPSAPRNAISNVNETSVFLEWIPPADTGGRKDVSYYIACKKCNSHAGVCEECGGHVRYLPRQSGLKNTSVMMVDLLAHTNYTFEIEAVNGVSDLSPGARQYVSVNVTTNQAAPSPVTNVKKGKIAKNSISLSWQEPDRPNGIILEYEIKYFEKDQETSYTIIKSKETTITAEGLKPASVYVFQIRARTAAGYGVFSRRFEFETTPVFAASSDQSQIP

  • Predicted Molecular Mass

    61.9 kDa

  • Molecular Weight

    Approximately 68-80 kDa, based on SDS-PAGE under reducing conditions, due to the glycosylation.

  • Glycosylation

    Yes

  • Purity

    ≥ 95%, as determined by Bis-Tris PAGE.

Product Properties

Appearance

Solution.

Endotoxin Level

<1 EU/μg, determined by LAL method.

Reconstitution

Please use rapid thawing with running water to thaw the protein.

Storage & Stability

Stored at -80°C for 1 year from date of receipt. It is stable at -20°C for 3 months after opening. It is recommended to freeze aliquots at -80°C for extended storage. Avoid repeated freeze-thaw cycles.

Shipping

Shipping with dry ice.

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