1. Recombinant Proteins
  2. Receptor Proteins
  3. Leukocyte Immunoglobin-like Receptors
  4. Leukocyte Ig-Like Receptor B4
  5. LILRB4/CD85k/ILT3 Protein, Human (HEK293, Fc)

LILRB4/CD85k/ILT3 Protein, Human (HEK293, Fc)

Cat. No.: HY-P77742
COA Handling Instructions

For research use only. We do not sell to patients.

Protein Expression Service

Size Price Stock Quantity
20 μg $135 In-stock
50 μg $295 In-stock
100 μg $500 Get quote
250 μg   Get quote  

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Top Publications Citing Use of Products
  • Biological Activity

  • Technical Parameters

  • Properties

  • Documentation

Biological Activity

Immobilized Human LILRB4, hFc Tag at 0.2μg /ml (100 μl/well) on the plate.Dose response curve for Biotinylated Anti-LILRB4 Antibody, hFc Tag with the EC50 of 9.8-22.3 ng/ml determined by ELISA.








Q8NHJ6 (Q22-R256)

Gene ID
HM18; ILT3; ILT-3; LILRB4; LIR5; CD85K
Molecular Weight

60-68 kDa


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


Lyophilized powder.


Lyophilized from a 0.22 μm filtered solution of PBS, pH 7.4. Normally 5% trehalose is added as protectant before lyophilization.

Endotoxin Level

<1 EU/μg, determined by LAL method.


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. After reconstitution, it is stable at 4°C for 1 week or -20°C for longer. It is recommended to freeze aliquots at -20°C or -80°C for extended storage.


Room temperature in continental US; may vary elsewhere.


LILRB4/CD85k/ILT3 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.

  • Reconstitution Calculator

  • Dilution Calculator

  • Specific Activity Calculator

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
= ÷

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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