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The receptors of the fragment crystalizable (Fc) portion of immunoglobulin (Fc receptors, FcRs) are membrane molecules expressed on most innate and adaptive immune cells. FcRs belong to the immunoglobulin superfamily. FcRs interact with the Fc portion of the antibody and connect humoral immune responses to cellular effector mechanisms. Receptors for all classes of immunoglobulins include IgG (FcγRI/CD64, FcγRII/CD32, FcγRIII/CD16 and FcRn), IgE (FCεRI), IgA (FcαRI/CD89), IgM (FcμR), IgD (FcδR) and IgA/IgM (Fcα/μR).
The IgG1 protein is the constant region of the immunoglobulin heavy chain and serves as a receptor during the recognition phase of humoral immunity. It triggers clonal expansion and differentiation of B lymphocytes into immunoglobulin-secreting plasma cells. IgG1 Protein, Human (D239E, L241M, HEK293) is the recombinant human-derived IgG1 protein, expressed by HEK293 , with tag free. The total length of IgG1 Protein, Human (D239E, L241M, HEK293) is 227 a.a., with molecular weight of ~33 kDa.
High affinity immunoglobulin gamma Fc receptor I; Fcgr1; FcRI; CD64
Human
HEK293
CD64 protein, a high affinity receptor, mediates IgG effector functions, triggering antibody-dependent cellular cytotoxicity (ADCC). It interacts with IGHG1 and forms a signaling complex with FCERG1, contributing to immune responses. CD64 also interacts with FLNA, EPB41L2, LAT, PPL, HCK, and LYN to prevent degradation of FCGR1A and regulate immune function. CD64 Protein, Human (Biotinylated, 272a.a, HEK293, His-Avi) is the recombinant human-derived CD64 protein, expressed by HEK293 , with C-Avi, C-His labeled tag. The total length of CD64 Protein, Human (Biotinylated, 272a.a, HEK293, His-Avi) is 272 a.a., with molecular weight of 34-68 kDa.
High affinity immunoglobulin gamma Fc receptor I; Fcgr1; FcRI; CD64
Mouse
HEK293
The CD64 protein is a high-affinity receptor for the immunoglobulin gamma Fc region and plays a key role in innate and adaptive immune responses. It prevents FCGR1A degradation by interacting with FCERG1 and FLNA to form a functional signaling complex. CD64 Protein, Mouse (HEK293, His-Avi) is the recombinant mouse-derived CD64 protein, expressed by HEK293 , with C-Avi, C-His labeled tag. The total length of CD64 Protein, Mouse (HEK293, His-Avi) is 273 a.a., with molecular weight of 45-50 kDa.
The IgG1 protein is the constant region of the immunoglobulin heavy chain and serves as a receptor during the recognition phase of humoral immunity. It triggers clonal expansion and differentiation of B lymphocytes into immunoglobulin-secreting plasma cells. IgG1 Protein, Human (C103S, HEK293) is the recombinant human-derived IgG1 protein, expressed by HEK293 , with tag free. The total length of IgG1 Protein, Human (C103S, HEK293) is 232 a.a., with molecular weight of approximately 34 kDa.
FCGRT-B2M Heterodimer Protein; IgG receptor FcRn large subunit p51; Beta-2-microglobulin
Human
HEK293
The FCGRT protein is a cell surface receptor that conveys passive humoral immunity through the selective uptake of monomeric IgG in milk. It binds IgG at the intestinal epithelium and forms an FcRn-IgG complex that is transcytosed across the epithelium, releasing IgG into the blood or tissue. FCGRT-B2M Heterodimer Protein, Human (HEK293, His) is a recombinant protein dimer complex containing human-derived FCGRT-B2M Heterodimer protein, expressed by HEK293 , with C-His labeled tag. FCGRT-B2M Heterodimer Protein, Human (HEK293, His), has molecular weight of ~35 & 12 kDa, respectively.
Low affinity immunoglobulin gamma Fc region receptor III-A; FcRIIIa; FcR-10; CD16a; FCGR3A; IGFR3
Human
HEK293
Fc gamma RIIIA/CD16a protein is a receptor for the Fc fragment of IgG and activates antibody-dependent cellular cytotoxicity (ADCC) upon binding to antigen-IgG complexes. It mediates IgG effector functions on NK cells, generating memory-like adaptive NK cells to efficiently eliminate virally infected cells. Fc gamma RIIIA/CD16a Protein, Human (F176V, HEK293, His) is the recombinant human-derived Fc gamma RIIIA/CD16a protein, expressed by HEK293 , with C-His labeled tag and F176V, , , , mutation. The total length of Fc gamma RIIIA/CD16a Protein, Human (F176V, HEK293, His) is 192 a.a., with molecular weight of ~44.2 kDa.
Low Affinity Immunoglobulin Gamma Fc Region Receptor II-a; CD32; FCGR2A; FCG2; IGFR2
Human
HEK293
Fc gamma RIIA/CD32a Protein plays a pivotal role, specifically binding to the Fc region of immunoglobulins gamma as a low-affinity receptor. Interacting with IgG, it initiates cellular responses against pathogens, crucial for immune modulation. Notably, the protein promotes opsonized antigen phagocytosis, contributing to immune defense. Engaging with IGHG1, INPP5D/SHIP1, INPPL1/SHIP2, APCS, FGR, and HCK, it participates in intricate signaling pathways, highlighting its multifaceted role in orchestrating diverse immune responses. Fc gamma RIIA/CD32a Protein, Human (H167R, HEK293, Fc) is the recombinant human-derived Fc gamma RIIA/CD32a protein, expressed by HEK293 , with C-hFc labeled tag and H167R mutation. The total length of Fc gamma RIIA/CD32a Protein, Human (H167R, HEK293, Fc) is 185 a.a., with molecular weight of ~55 kDa.
CD16FCRIIIA; Fc fragment of IgG; Fc gamma RIIIA; Fc-gamma RIII-alpha; FCGR3; FCGR3A; FCGRIII; FcgRIIIA; FcR-10; CD16A; FCG3; IGFR3; FcRIIIa; FcRIII; CD16; IMD20
Human
HEK293
Fc gamma RIIIA/CD16a protein is a receptor for the Fc fragment of IgG and activates antibody-dependent cellular cytotoxicity (ADCC) upon binding to antigen-IgG complexes. It mediates IgG effector functions on NK cells, generating memory-like adaptive NK cells to efficiently eliminate virally infected cells. Fc gamma RIIIA/CD16a Protein, Human (Biotinylated, HEK293, His-Avi) is the recombinant human-derived Fc gamma RIIIA/CD16a protein, expressed by HEK293 , with C-Avi, C-His labeled tag. The total length of Fc gamma RIIIA/CD16a Protein, Human (Biotinylated, HEK293, His-Avi) is 192 a.a., with molecular weight of 48-60 kDa.
Fc gamma RIIA/CD32a Protein plays a pivotal role, specifically binding to the Fc region of immunoglobulins gamma as a low-affinity receptor. Interacting with IgG, it initiates cellular responses against pathogens, crucial for immune modulation. Notably, the protein promotes opsonized antigen phagocytosis, contributing to immune defense. Engaging with IGHG1, INPP5D/SHIP1, INPPL1/SHIP2, APCS, FGR, and HCK, it participates in intricate signaling pathways, highlighting its multifaceted role in orchestrating diverse immune responses. Fc gamma RIIA/CD32a Protein, Human (Biotinylated, 183a.a, HEK293, His-Avi) is the recombinant human-derived Fc gamma RIIA/CD32a protein, expressed by HEK293 , with C-Avi, C-His labeled tag and H167 mutation. The total length of Fc gamma RIIA/CD32a Protein, Human (Biotinylated, 183a.a, HEK293, His-Avi) is 183 a.a., with molecular weight of 30-40 kDa.
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 (Biotinylated, NA2, HEK293, His-Avi) is the recombinant human-derived Fc gamma RIIIB/CD16b protein, expressed by HEK293 , with C-Avi, C-His labeled tag. The total length of Fc gamma RIIIB/CD16b Protein, Human (Biotinylated, NA2, HEK293, His-Avi) is 184 a.a., with molecular weight of 47-53 kDa.
Ig gamma-2A chain C region (Immunoglobulin heavy chain gamma polypeptide) is one of the five types of mammalian immunoglobulin heavy chain: γ, δ, α, μ and ε. Heavy chain γ defines the classes of immunoglobulins IgG. IgG2A Fc Protein, Mouse (HEK293) is the recombinant mouse-derived IgG2A Fc protein, expressed by HEK293 , with tag free. The total length of IgG2A Fc Protein, Mouse (HEK293) is 232 a.a., with molecular weight of 30-35 kDa.
The IgG1 protein is the constant region of the immunoglobulin heavy chain and serves as a receptor during the recognition phase of humoral immunity. It triggers clonal expansion and differentiation of B lymphocytes into immunoglobulin-secreting plasma cells. IgG1 Protein, Human (Biotinylated, HEK293, Avi) is the recombinant human-derived IgG1 protein, expressed by HEK293 , with C-Avi labeled tag. The total length of IgG1 Protein, Human (Biotinylated, HEK293, Avi) is 227 a.a., with molecular weight of ~33 kDa.
The IgG1 protein is the constant region of the immunoglobulin heavy chain and serves as a receptor during the recognition phase of humoral immunity. It triggers clonal expansion and differentiation of B lymphocytes into immunoglobulin-secreting plasma cells. IgG1 Protein, Human (CHO) is the recombinant human-derived IgG1 protein, expressed by CHO , with tag free. The total length of IgG1 Protein, Human (CHO) is 232 a.a., with molecular weight of ~34 kDa.
Low affinity immunoglobulin gamma Fc region receptor III-B; FcR-10; FCG3; FCGR3
Human
E. coli
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 (Biotinylated) is the recombinant human-derived Fc gamma RIIIB/CD16b protein, expressed by E. coli , with tag free. The total length of Fc gamma RIIIB/CD16b Protein, Human (Biotinylated) is 176 a.a., with molecular weight of ~20 kDa.
High affinity immunoglobulin gamma Fc receptor I; Fcgr1; FcRI; CD64
Rat
HEK293
CD64 Protein, with leukotriene receptor binding, crucially regulates processes like phagocytosis and pain perception, responding to epinephrine. Located in membrane rafts, CD64, encoded by FCGR1A, shows biased expression, especially in Spleen (RPKM 177.3) and Lung (RPKM 93.7). This emphasizes its importance in immune responses and sensory functions across diverse physiological contexts. CD64 Protein, Rat (HEK293, His) is the recombinant rat-derived CD64 protein, expressed by HEK293 , with C-His labeled tag. The total length of CD64 Protein, Rat (HEK293, His) is 269 a.a., with molecular weight of 40-42 kDa.
Low Affinity Immunoglobulin Gamma Fc Region Receptor II-b; IgG Fc Receptor II-b; CDw32; FcRII-b; CD32; FCGR2B; FCG2; IGFR2
Rat
HEK293
Fc gamma RIIB/CD32b Protein plays a crucial role, specifically binding to the Fc region of immunoglobulins gamma as a low-affinity receptor. Binding to IgG, it initiates cellular responses against pathogens, highlighting its immune system modulation. Interactions with FGR and LYN underscore its role in signaling pathways, emphasizing its significance in mediating cellular responses and contributing to immune defense against diverse antigens. Fc gamma RIIB/CD32b Protein, Rat (HEK293, His) is the recombinant rat-derived Fc gamma RIIB/CD32b protein, expressed by HEK293, with C-His labeled tag. The total length of Fc gamma RIIB/CD32b Protein, Rat (HEK293, His) is 181 a.a., with molecular weight of 30-50 KDa.
FCGRT-B2M Heterodimer Protein; IgG receptor FcRn large subunit p51; Beta-2-microglobulin
Cynomolgus
HEK293
The FCGRT protein transfers passive immunity by binding to monomeric IgG and facilitating its uptake from milk. It forms FcRn-IgG complexes that are transcytosed across the intestinal epithelium, releasing IgG into the bloodstream or tissue fluids. This receptor also recycles IgG, prolonging its half-life in circulation. Mechanistically, it binds to monomeric IgG in acidic endosomes, enabling recycling to the cell surface. The FCGRT-B2M heterodimer also regulates albumin homeostasis and consists of p51 and p14 subunits. FCGRT-B2M Heterodimer Protein, Cynomolgus (HEK293, His) is a recombinant protein dimer complex containing cynomolgus-derived FCGRT-B2M Heterodimer protein, expressed by HEK293, with C-His labeled tag. FCGRT-B2M Heterodimer Protein, Cynomolgus (HEK293, His), has molecular weight of ~35 & 12 kDa, respectively.
The FcγRIIIA/CD16a protein is a receptor for IgG and is optimally activated upon binding of aggregated antigen-IgG complexes, inducing antibody-dependent cellular cytotoxicity (ADCC). It mediates IgG effector function on natural killer cells, limiting viral load. Fc gamma RIII/CD16 Protein, Cynomolgus (HEK293, His) is the recombinant cynomolgus-derived Fc gamma RIII/CD16 protein, expressed by HEK293 , with C-His labeled tag. The total length of Fc gamma RIII/CD16 Protein, Cynomolgus (HEK293, His) is 192 a.a., with molecular weight of 33-40 kDa.
IgE protein is an important immunoglobulin component that participates in the recognition and effector phases of humoral immunity. As a membrane-bound receptor on B lymphocytes, IgE triggers clonal expansion upon antigen binding, leading to plasma cell differentiation. IgE Protein, Human (HEK293, His-Avi) is the recombinant human-derived IgE protein, expressed by HEK293 , with C-Avi, C-His labeled tag. The total length of IgE Protein, Human (HEK293, His-Avi) is 220 a.a., with molecular weight of 30-40 kDa.
FcR-like protein 5; FcRH5; FcRL5; BXMAS1; CD307; CD307e; IFGP5
Human
HEK293
FcRH5/FcRL5 Protein, potentially impacting B-cell development and differentiation in peripheral lymphoid organs, serves as a marker for B-cell stages. It may have an immunoregulatory role in marginal zone B-cells and is suggested to play a role in fertilization. FcRH5/FcRL5 Protein, Human (HEK293, C-His) is the recombinant human-derived FcRH5/FcRL5 protein, expressed by HEK293 , with C-6*His labeled tag. The total length of FcRH5/FcRL5 Protein, Human (HEK293, C-His) is 836 a.a., with molecular weight of 95-120 kDa.
