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The FcRn receptor (neonatal Fc receptor) was initially identified as an immunoglobulin G (IgG) receptor in the intestinal epithelial cells of neonatal rodents, which transports IgG from the maternal milk across the mucosal layer and releases it into blood of neonatal rodents to endow passive immunity. In humans, passive immunity is delivered via the placenta, but FcRn is expressed in the intestine and is maintained throughout adult life that contributes to effective humoral immunity by recycling IgG and extending its half-life in the circulation.
FcRn, as an atypical FcγR, is structurally related to MHC-I molecules with a 40 kDa alpha (α) heavy chain that non-covalently associates with the 12 kDa light chain β2m. FcRn has a quasi-ubiquitous expression pattern, possesses a predominantly intracellular localization, is monomorphic, and binds another, structurally and functionally unrelated protein to IgG.
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.
FCGRT-B2M Heterodimer Protein; IgG receptor FcRn large subunit p51; Beta-2-microglobulin
Cynomolgus
HEK293
The FCGRT protein delivers passive immunity by binding to monomeric IgG and promoting its absorption from milk. It forms an FcRn-IgG complex, which is transcytosis by the intestinal epithelium and releases IgG into the bloodstream or interstitial fluid. 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.
FCGRT is an IgG Fc receptor. Fc receptor expression is up-regulated by pro-inflammatory cytokines TNF and down-regulated by IFN-γ. FCGRT plays a role in regulating IgG and serum albumin conversion. Overexpression of FCGRT is also associated with poor prognosis of tumors. FCRN-B2M Protein, Human (HEK293, His) is a recombinant protein dimer complex containing human-derived FCRN-B2M protein, expressed by HEK293 , with C-6*His labeled tag. FCRN-B2M Protein, Human (HEK293, His), has molecular weight of ~32 & 12 kDa, respectively.
The FCRN protein is a cell surface receptor that conveys passive humoral immunity through the selective uptake of monomeric IgG in milk. FCRN-B2M Protein, Mouse (HEK293, His) is a recombinant protein dimer complex containing mouse-derived FCRN protein, expressed by HEK293 , with C-6*His labeled tag. FCRN-B2M Protein, Mouse (HEK293, His), has molecular weight of 42-58 & 12 kDa, respectively.
Alpha chain; Fc fragment of IgG; receptor transporter; alpha; FCGRN_HUMAN; FCGRT; FcRn alpha chain; FcRn; FCRN; alpha chain; IgG Fc fragment receptor transporter alpha chain; IgG Gc receptor; IgG receptor FcRn large subunit p51; IgG receptor FcRn large subunit p51 precursor; Immunoglobulin receptor; intestinal; heavy chain; Neonatal Fc receptor
Human
E. coli
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 Protein, Human (GST) is the recombinant human-derived FCGRT protein, expressed by E. coli , with N-GST labeled tag. The total length of FCGRT Protein, Human (GST) is 274 a.a., with molecular weight of ~57.4 kDa.
FCGRT is an IgG Fc receptor. Fc receptor expression is up-regulated by pro-inflammatory cytokines TNF and down-regulated by IFN-γ. FCGRT plays a role in regulating IgG and serum albumin conversion. Overexpression of FCGRT is also associated with poor prognosis of tumors. FCRN-B2M Protein, Human (Biotinylated, HEK293, His-Avi) is a recombinant protein dimer complex containing human-derived FCRN-B2M protein, expressed by HEK293 , with C-Avi, C-6*His labeled tag. FCRN-B2M Protein, Human (Biotinylated, HEK293, His-Avi), has molecular weight of 35 & 13 kDa, respectively.
FCGRT-B2M Heterodimer Protein; IgG receptor FcRn large subunit p51; Beta-2-microglobulin
Rat
HEK293
The FCGRT-B2M heterodimeric protein is a cell surface receptor that interacts with IgG and albumin and contributes to effective humoral immunity. FCGRT-B2M Heterodimer Protein, Rat (HEK293, His, solution) is a recombinant protein dimer complex containing rat-derived FCGRT-B2M Heterodimer protein, expressed by HEK293 , with C-His labeled tag. FCGRT-B2M Heterodimer Protein, Rat (HEK293, His, solution), has molecular weight of ~35 & 12 kDa, respectively.
FCGRT-B2M Heterodimer Protein; IgG receptor FcRn large subunit p51; Beta-2-microglobulin
Rat
HEK293
The FCGRT-B2M heterodimeric protein is a cell surface receptor that interacts with IgG and albumin and contributes to effective humoral immunity. FCGRT-B2M Heterodimer Protein, Rat (HEK293, C-His) is a recombinant protein dimer complex containing rat-derived FCGRT-B2M Heterodimer protein, expressed by HEK293 , with C-His labeled tag. FCGRT-B2M Heterodimer Protein, Rat (HEK293, C-His), has molecular weight of ~38-55 & 12 kDa, respectively.
FCGRT-B2M Heterodimer Protein; IgG receptor FcRn large subunit p51; Beta-2-microglobulin
Mouse
HEK293
The FCRN protein is a cell surface receptor that conveys passive humoral immunity through the selective uptake of monomeric IgG in milk. FCGRT-B2M Heterodimer Protein, Mouse (Biotinylated, HEK293, His-Avi) is a recombinant protein dimer complex containing mouse-derived FCGRT-B2M Heterodimer protein, expressed by HEK293 , with C-Avi, C-His labeled tag. FCGRT-B2M Heterodimer Protein, Mouse (Biotinylated, HEK293, His-Avi), has molecular weight of ~46 kDa.
FCGRT-B2M Heterodimer Protein; IgG receptor FcRn large subunit p51; Beta-2-microglobulin
Cynomolgus
HEK293
The FCGRT protein delivers passive immunity by binding to monomeric IgG and promoting its absorption from milk. It forms an FcRn-IgG complex, which is transcytosis by the intestinal epithelium and releases IgG into the bloodstream or interstitial fluid. FCGRT-B2M Heterodimer Protein, Cynomolgus (Biotinylated, HEK293, His-Avi) is a recombinant protein dimer complex containing cynomolgus-derived FCGRT-B2M Heterodimer protein, expressed by HEK293 , with C-Avi, C-His labeled tag. FCGRT-B2M Heterodimer Protein, Cynomolgus (Biotinylated, HEK293, His-Avi), has molecular weight of ~33.7 & 11.6 KDa, respectively.
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 (Biotinylated, 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 (Biotinylated, HEK293, His), has molecular weight of ~31.9 & 11.6 KDa, respectively.
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 (Biotinylated, HEK293, His) is a recombinant protein dimer complex containing human-derived FCGRT-B2M Heterodimer protein, expressed by HEK293 , with Strep, His labeled tag. FCGRT-B2M Heterodimer Protein, Human (Biotinylated, HEK293, His), has molecular weight of ~33 kDa(FCGRT) & 13 kDa(B2M), respectively.
Alpha chain; Fc fragment of IgG; receptor transporter; alpha; FCGRN_HUMAN; FCGRT; FcRn alpha chain; FcRn; FCRNNeonatal Fc receptor
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 Protein, Human (HEK293, His) is the recombinant human-derived FCGRT protein, expressed by HEK293 , with N-His labeled tag. The total length of FCGRT Protein, Human (HEK293, His) is 274 a.a., with molecular weight of ~34.4 kDa.
FCGRT-B2M Heterodimer Protein; IgG receptor FcRn large subunit p51; Beta-2-microglobulin
Mouse
HEK293
The FCRN protein is a cell surface receptor that conveys passive humoral immunity through the selective uptake of monomeric IgG in milk. FCGRT-B2M Heterodimer Protein, Mouse (Biotinylated, HEK293, His) is a recombinant protein dimer complex containing mouse-derived FCGRT-B2M Heterodimer protein, expressed by HEK293 , with C-His labeled tag. FCGRT-B2M Heterodimer Protein, Mouse (Biotinylated, HEK293, His), has molecular weight of ~44.2 kDa.
The FCRN protein is a cell surface receptor that conveys passive humoral immunity through the selective uptake of monomeric IgG in milk. FCGRT-B2M Heterodimer Protein, Mouse (HEK293, His) is a recombinant protein dimer complex containing mouse-derived FCGRT-B2M Heterodimer protein, expressed by HEK293 , with C-His labeled tag. FCGRT-B2M Heterodimer Protein, Mouse (HEK293, His), has molecular weight of 50-55 kDa.
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, Flag-His) is a recombinant protein dimer complex containing cynomolgus-derived FCGRT-B2M Heterodimer protein, expressed by HEK293, with C-Flag, C-6*His labeled tag. FCGRT-B2M Heterodimer Protein, Cynomolgus (HEK293, Flag-His), has molecular weight of 33 & 14 kDa, respectively.
FCGRT-B2M Heterodimer Protein; IgG receptor FcRn large subunit p51; Beta-2-microglobulin
Rat
HEK293
The FCGRT-B2M heterodimeric protein is a cell surface receptor that interacts with IgG and albumin and contributes to effective humoral immunity. FCGRT-B2M Heterodimer Protein, Rat (Biotinylated, HEK293, His) is a recombinant protein dimer complex containing rat-derived FCGRT-B2M Heterodimer protein, expressed by HEK293 , with C-His labeled tag. FCGRT-B2M Heterodimer Protein, Rat (Biotinylated, HEK293, His), has molecular weight of ~44 kDa.
