Immunoglobulin G Fc Fragment
16-16-090707-FC
Product group Proteins / Signaling Molecules
Overview
- SupplierAthens Research
- Product NameImmunoglobulin G Fc Fragment
- Delivery Days Customer9
- Applications SupplierFlow Cytometry, ELISA, Antisera Production, In Vitro Diagnostics, Proteomics
- CertificationResearch Use Only
- Estimated Purity≥95% by SDS-PAGE., No reaction by IEP to antisera to human IgG-fab.
- Scientific DescriptionThe Fc (fragment crystallizable) region of immunoglobulin G, while not binding antigen, contains crucial biological activities and antigenic determinants. This homodimeric glycoprotein comprises CH2 and CH3 domains and mediates immune effector functions through interactions with Fc receptors, C1q, and FcRn. Fc fragments orchestrate antibody-dependent cellular cytotoxicity, complement-dependent cytotoxicity, and phagocytosis while controlling IgG's serum half-life via pH-dependent FcRn binding. The conserved N-linked glycosylation at Asn-297 is essential for structural stability and receptor interactions. Altered Fc glycosylation patterns correlate with autoimmune conditions including rheumatoid arthritis, where reduced galactosylation and sialylation indicate inflammatory disease states. Fc receptor polymorphisms are also associated with autoimmune disease development.
- Shelf life instructionmore then 1 year
- SourceSource human plasma non-reactive for HBsAG, anti-HCV, anti-HBc, and negative for anti-HIV 1 & 2 by FDA approved tests.
- Storage Instruction≤ -80° C
- UNSPSC41116100
References
- Zeng, J., et al., (2019), 'Rare missense variants in the human cytosolic antibody receptor preserve antiviral function', eLife, 8: pp. e48339.Read this paper
- Zhang, P., et al., (2020), 'Mechanism- and Immune Landscape-Based Ranking of Therapeutic Responsiveness of 22 Major Human Cancers to Next Generation Anti-CTLA-4 Antibodies', Cancers, 12: pp. 284Read this paper
- Wang, X., et al., (2022), 'CD24-Siglec axis is an innate immune checkpoint against metaflammation and metabolic disorder', Cell Metabolism, 34: pp. 1088–1103Read this paper
- Liu M., et al., (2023), Soluble CTLA-4 mutants ameliorate immune-related adverse events but preserve efficacy of CTLA-4– and PD-1–targeted immunotherapy', Sci. Transl. Med., 15 (685), eabm5663Read this paper
- Li, Y., et al., (2024), 'CD177 is a novel IgG Fc receptor and CD177 genetic variants affect IgG-mediated function', Front. Immunol. 15:1418539.Read this paper