1. Recombinant Proteins
  2. Fc Receptors
  3. Fc-gamma Receptor
  4. Fc gamma RIII/CD16
  5. Fc gamma RIIIB/CD16b Protein, Human (NA2, HEK293, His)

Fc gamma RIIIB/CD16b Protein, Human (NA2, HEK293, His)

Cat. No.: HY-P7848
SDS COA Handling Instructions

Fc gamma RIIIB/CD16b Protein, a low-affinity receptor for IgG, binds complexed or monomeric IgG. Unlike Fc gamma RIIIA, it cannot mediate antibody-dependent cytotoxicity or phagocytosis. Instead, Fc gamma RIIIB may act as a trap for immune complexes, circulating without activating neutrophils. Existing as a monomer, it interacts with INPP5D/SHIP1, implying its role in intracellular signaling pathways linked to immune responses. Fc gamma RIIIB/CD16b Protein, Human (NA2, HEK293, His) is the recombinant human-derived Fc gamma RIIIB/CD16b protein, expressed by HEK293 , with C-6*His labeled tag. The total length of Fc gamma RIIIB/CD16b Protein, Human (NA2, HEK293, His) is 192 a.a., with molecular weight of 35-65 kDa.

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Description

Fc gamma RIIIB/CD16b Protein, a low-affinity receptor for IgG, binds complexed or monomeric IgG. Unlike Fc gamma RIIIA, it cannot mediate antibody-dependent cytotoxicity or phagocytosis. Instead, Fc gamma RIIIB may act as a trap for immune complexes, circulating without activating neutrophils. Existing as a monomer, it interacts with INPP5D/SHIP1, implying its role in intracellular signaling pathways linked to immune responses. Fc gamma RIIIB/CD16b Protein, Human (NA2, HEK293, His) is the recombinant human-derived Fc gamma RIIIB/CD16b protein, expressed by HEK293 , with C-6*His labeled tag. The total length of Fc gamma RIIIB/CD16b Protein, Human (NA2, HEK293, His) is 192 a.a., with molecular weight of 35-65 kDa.

Background

The Fc gamma RIIIB/CD16b Protein acts as a receptor for the Fc region of immunoglobulins gamma, exhibiting low affinity and binding to both complexed or aggregated IgG as well as monomeric IgG. In contrast to Fc gamma RIIIA, Fc gamma RIIIB lacks the ability to mediate antibody-dependent cytotoxicity and phagocytosis. Instead, it may function as a trap for immune complexes circulating in the periphery, without activating neutrophils. The protein exists as a monomer and interacts with INPP5D/SHIP1, suggesting its involvement in intracellular signaling pathways associated with immune responses.

Species

Human

Source

HEK293

Tag

C-6*His

Accession

O75015 (G17-Q208)

Gene ID
Molecular Construction
N-term
CD16b (G17-Q208)
Accession # O75015
6*His
C-term
Synonyms
rHuLow affinity immunoglobulin gamma Fc region receptor III-B/CD16b, His; Low affinity immunoglobulin gamma Fc region receptor III-B;  Fc-gamma RIII-beta; FcR-10; IgG Fc receptor III-1; FCG3; FCGR3; CD16b and FCGR3B
AA Sequence

GMRTEDLPKAVVFLEPQWYSVLEKDSVTLKCQGAYSPEDNSTQWFHNESLISSQASSYFIDAATVNDSGEYRCQTNLSTLSDPVQLEVHIGWLLLQAPRWVFKEEDPIHLRCHSWKNTALHKVTYLQNGKDRKYFHHNSDFHIPKATLKDSGSYFCRGLVGSKNVSSETVNITITQGLAVSTISSFSPPGYQ

Molecular Weight

35-65 kDa

Purity

Greater than 95% as determined by reducing SDS-PAGE

Appearance

Lyophilized powder.

Formulation

Lyophilized from a 0.2 μm filtered solution of PBS, pH 7.4.

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. For long term storage it is recommended to add a carrier protein (0.1% BSA, 5% HSA, 10% FBS or 5% Trehalose).

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 (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.

Documentation

Fc gamma RIIIB/CD16b Protein, Human (NA2, HEK293, His) 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
= ÷

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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Fc gamma RIIIB/CD16b Protein, Human (NA2, HEK293, His)
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