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  6. Ephrin-A4/EFNA4 Protein, Human (HEK293, Fc)

Ephrin-A4/EFNA4 Protein, Human (HEK293, Fc)

Cat. No.: HY-P73010
Handling Instructions

Ephrin-A4/EFNA4 Protein, a GPI-bound ligand, interacts with Eph receptors, crucial for neuronal, vascular, and epithelial development. It enables migration, repulsion, and adhesion by binding to neighboring Eph receptors, initiating bidirectional signaling. Furthermore, it potentially facilitates the interaction between activated B-lymphocytes and dendritic cells in tonsils. Ephrin-A4/EFNA4 Protein, Human (HEK293, Fc) is the recombinant human-derived Ephrin-A4/EFNA4 protein, expressed by HEK293 , with C-hFc labeled tag. The total length of Ephrin-A4/EFNA4 Protein, Human (HEK293, Fc) is 146 a.a., with molecular weight of ~48.1 & 34.9 kDa, respectively.

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Description

Ephrin-A4/EFNA4 Protein, a GPI-bound ligand, interacts with Eph receptors, crucial for neuronal, vascular, and epithelial development. It enables migration, repulsion, and adhesion by binding to neighboring Eph receptors, initiating bidirectional signaling. Furthermore, it potentially facilitates the interaction between activated B-lymphocytes and dendritic cells in tonsils. Ephrin-A4/EFNA4 Protein, Human (HEK293, Fc) is the recombinant human-derived Ephrin-A4/EFNA4 protein, expressed by HEK293 , with C-hFc labeled tag. The total length of Ephrin-A4/EFNA4 Protein, Human (HEK293, Fc) is 146 a.a., with molecular weight of ~48.1 & 34.9 kDa, respectively.

Background

Ephrin-A4/EFNA4 Protein is a cell surface GPI-bound ligand that interacts with Eph receptors, a family of receptor tyrosine kinases essential for neuronal, vascular, and epithelial development, enabling migration, repulsion, and adhesion. It binds promiscuously to Eph receptors on neighboring cells, initiating contact-dependent bidirectional signaling. Additionally, Ephrin-A4/EFNA4 Protein may contribute to the interaction between activated B-lymphocytes and dendritic cells in tonsils.

Species

Human

Source

HEK293

Tag

C-hFc

Accession

P52798 (L26-G171)

Gene ID
Molecular Construction
N-term
EFNA4 (L26-G171)
Accession # P52798
hFc
C-term
Synonyms
Ephrin-A4; LERK-4; EFNA4; EPLG4
AA Sequence

MRLLPLLRTVLWAAFLGSPLRGGSSLRHVVYWNSSNPRLLRGDAVVELGLNDYLDIVCPHYEGPGPPEGPETFALYMVDWPGYESCQAEGPRAYKRWVCSLPFGHVQFSEKIQRFTPFSLGFEFLPGETYYYISVPTPESSGQCLRLQVSVCCKERKSESAHPVGSPGESG

Molecular Weight

Approximately 48.1&34.9 kDa

Purity

Greater than 90% as determined by reducing SDS-PAGE

Endotoxin Level

<1 EU/μg, determined by LAL method.

Documentation

Ephrin-A4/EFNA4 Protein, Human (HEK293, Fc) Related Classifications

Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

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The reconstitution calculator equation

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

Volume (to add to vial) = Mass (in vial) ÷ Desired Reconstitution Concentration
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The dilution calculator equation

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

This equation is commonly abbreviated as: C1V1 = C2V2

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
× = ×
C1   V1   C2   V2

The specific activity calculator equation

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

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

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Ephrin-A4/EFNA4 Protein, Human (HEK293, Fc)
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HY-P73010
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