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  2. Cytokines and Growth Factors
  3. Ephrin/Eph Family
  4. Ephrins
  5. Ephrin B2
  6. Ephrin-B2/EFNB2 Protein, Human (HEK293, Fc)

Ephrin-B2/EFNB2 Protein, Human (HEK293, Fc)

Cat. No.: HY-P77645
Handling Instructions

Ephrin-B2/EFNB2 is a key transmembrane ligand of Eph receptors that coordinates migration, repulsion, and adhesion in developing neurons, blood vessels, and epithelia. It induces bidirectional signaling, binding to EPHA4, EPHA3 and EPHB4, which is critical for cardiac morphogenesis and angiogenesis. Ephrin-B2/EFNB2 Protein, Human (HEK293, Fc) is the recombinant human-derived Ephrin-B2/EFNB2 protein, expressed by HEK293 , with C-hFc labeled tag. The total length of Ephrin-B2/EFNB2 Protein, Human (HEK293, Fc) is 202 a.a., with molecular weight of 50-70 kDa.

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Description

Ephrin-B2/EFNB2 is a key transmembrane ligand of Eph receptors that coordinates migration, repulsion, and adhesion in developing neurons, blood vessels, and epithelia. It induces bidirectional signaling, binding to EPHA4, EPHA3 and EPHB4, which is critical for cardiac morphogenesis and angiogenesis. Ephrin-B2/EFNB2 Protein, Human (HEK293, Fc) is the recombinant human-derived Ephrin-B2/EFNB2 protein, expressed by HEK293 , with C-hFc labeled tag. The total length of Ephrin-B2/EFNB2 Protein, Human (HEK293, Fc) is 202 a.a., with molecular weight of 50-70 kDa.

Background

Ephrin-B2, also recognized as EFNB2, emerges as a pivotal cell surface transmembrane ligand for Eph receptors, a family of receptor tyrosine kinases critical in orchestrating migration, repulsion, and adhesion during neuronal, vascular, and epithelial development. Displaying a propensity to bind promiscuously to Eph receptors on adjacent cells, Ephrin-B2 instigates contact-dependent bidirectional signaling, delineated into forward signaling downstream of the receptor and reverse signaling downstream of the ephrin ligand. Its binding affinity extends to receptor tyrosine kinases, including EPHA4, EPHA3, and EPHB4, with the latter forming a crucial partnership in heart morphogenesis and angiogenesis, governing cell adhesion and migration. In EPHB4-mediated forward signaling, Ephrin-B2 regulates cellular repulsion and segregation from EFNB2-expressing cells, potentially influencing the orientation of longitudinally projecting axons. Notably, Ephrin-B2 assumes a unique role as a receptor for Hendra virus and Nipah virus during microbial infection, adding an intriguing facet to its multifaceted functions.

Species

Human

Source

HEK293

Tag

C-hFc

Accession

P52799 (I28-A229)

Gene ID
Molecular Construction
N-term
EFNB2 (I28-A229)
Accession # P52799
hFc
C-term
Synonyms
EPLG5; HTKL; LERK5; EFNB2
Molecular Weight

50-70 kDa

Purity

Greater than 95% as determined by Tris-Bis PAGE.

Endotoxin Level

<1 EU/μg, determined by LAL method.

Documentation

Ephrin-B2/EFNB2 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-B2/EFNB2 Protein, Human (HEK293, Fc)
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HY-P77645
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