FcRn
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.
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FcRn Recombinant Proteins (26)
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Recombinant Protein Expression Service
- Codon Optimization
- Gene Synthesis
- Construction of Expression Vector
- Strain Screening
- Protein Expression
- Purification & QC
- Protein Delivery
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- 화학식: Human
- 분자량: Sf9 insect cells
The EpCAM/TROP1 protein serves as an important homogeneous interacting molecule that promotes direct contact between intestinal epithelial cells (IEC) and intraepithelial lymphocytes (IEL) in the mucosal epithelium. This feature helps establish an immune barrier against mucosal infections. EpCAM/TROP1 Protein, Human (His-SUMO) is the recombinant human-derived EpCAM/TROP1 protein, expressed by E. coli , with N-6*His, N-SUMO labeled tag.
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